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rv10rob(at)gmail.com
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 Posted: Mon Dec 28, 2020 8:59 pm Post subject: When to service the propeller? |
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My RV-10 has the standard Hartzell 2-blade constant speed prop, purchased new. To this point, I've done nothing but lubricate and inspect it annually, as well as file out nicks. I know Hartzell says 6 years for an overhaul, but given limited use (550 hours total time) and the fact that it's always hangared, that seemed excessively conservative. It's also not leaking any oil (still looks like new inside the spinner). However, I'm now approaching 10 years, so curious to hear what people recommend. Thanks!
-Rob
--
Rob Kochman
RV-10 Flying since March 2011
Kirkland, WA
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philperry9
Joined: 23 Nov 2011
Posts: 381
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| Posted: Mon Dec 28, 2020 9:14 pm Post subject: When to service the propeller? |
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Since it’s experimental, you can send it to the prop shop to be disassembled and inspected. If there is little wear, you can have them reassemble with new seals and grease. “Pack and Seal”
If it’s worn beyond limits, an overhaul is in the works. But a pack and seal is a middle of the road option for low time props.
Phil
Sent from my iPhone
| Quote: | On Dec 28, 2020, at 10:03 PM, Rob Kochman <rv10rob(at)gmail.com> wrote:
My RV-10 has the standard Hartzell 2-blade constant speed prop, purchased new. To this point, I've done nothing but lubricate and inspect it annually, as well as file out nicks. I know Hartzell says 6 years for an overhaul, but given limited use (550 hours total time) and the fact that it's always hangared, that seemed excessively conservative. It's also not leaking any oil (still looks like new inside the spinner). However, I'm now approaching 10 years, so curious to hear what people recommend. Thanks!
-Rob
--
Rob Kochman
RV-10 Flying since March 2011
Kirkland, WA
|
| | - The Matronics RV10-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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philperry9
Joined: 23 Nov 2011
Posts: 381
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| Posted: Mon Dec 28, 2020 9:23 pm Post subject: When to service the propeller? |
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I should have added this to my previous message. Some of those seals have a limited shelf life (rubber or synthetics). So they need to be replaced on a schedule once they begin to reach the end of their useful life.
Phil
Sent from my iPhone
| Quote: | On Dec 28, 2020, at 10:13 PM, Phil Perry <philperry9(at)gmail.com> wrote:
Since it’s experimental, you can send it to the prop shop to be disassembled and inspected. If there is little wear, you can have them reassemble with new seals and grease. “Pack and Seal”
If it’s worn beyond limits, an overhaul is in the works. But a pack and seal is a middle of the road option for low time props.
Phil
Sent from my iPhone
> On Dec 28, 2020, at 10:03 PM, Rob Kochman <rv10rob(at)gmail.com> wrote:
>
>
> My RV-10 has the standard Hartzell 2-blade constant speed prop, purchased new. To this point, I've done nothing but lubricate and inspect it annually, as well as file out nicks. I know Hartzell says 6 years for an overhaul, but given limited use (550 hours total time) and the fact that it's always hangared, that seemed excessively conservative. It's also not leaking any oil (still looks like new inside the spinner). However, I'm now approaching 10 years, so curious to hear what people recommend. Thanks!
>
> -Rob
>
> --
> Rob Kochman
> RV-10 Flying since March 2011
> Kirkland, WA
|
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Tim Olson
Joined: 25 Jan 2007
Posts: 2872
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| Posted: Mon Dec 28, 2020 9:25 pm Post subject: When to service the propeller? |
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Rob,
You're not alone. I am overdue on my Hartzell also. Nearly 15 years.
But, I did have mine re-sealed a few years ago. I am sure that your
prop will still be functioning fine a while from now, but, I'd say
plan on a 10 year at least.
I've had mine off a few times for various reasons. Inside the
crank cavity into the prop hub, you've almost certainly got a lot of
gray paste build-up that happens over time. I've cleaned mine
out whenever the prop has been off. This winter I plan to get
the prop overhauled, and it will be interesting to hear how it
goes. I agree that 6 years and 550 hours would seem pretty short.
To me it's like how Lycoming recommends an engine rebuild in 12 years
or 2000 hours. But, there still is a point where an overhaul is due
and I think I'm there. I intended to do it when I replaced the engine
this summer, but this wasn't a good year for it $$$.
I have heard overhauls run $2500, but the place near me charges
$3000. Would be nice to hear what kinds of quotes other people have
gotten, and where they recommend.
Tim
On 12/28/20 10:58 PM, Rob Kochman wrote:
| Quote: | My RV-10 has the standard Hartzell 2-blade constant speed prop,
purchased new. To this point, I've done nothing but lubricate and
inspect it annually, as well as file out nicks. I know Hartzell says 6
years for an overhaul, but given limited use (550 hours total time) and
the fact that it's always hangared, that seemed excessively
conservative. It's also not leaking any oil (still looks like new inside
the spinner). However, I'm now approaching 10 years, so curious to hear
what people recommend. Thanks!
-Rob
--
Rob Kochman
RV-10 Flying since March 2011
Kirkland, WA
|
| | - The Matronics RV10-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV10-List |
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Lenny Iszak
Joined: 23 Mar 2008
Posts: 270
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| Posted: Mon Dec 28, 2020 9:51 pm Post subject: When to service the propeller? |
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I had mine (2009 prop with 700 hrs) overhauled a few months ago at Palm Beach Aircraft Propeller, for $2845 + tax.
The seals in it where in pretty bad shape, it was covering my windshield with grease after every flight. A pretty good sign that it needed some TLC.
Btw, Hartzell recommends a new grease now, so if you do get an overhaul, grab a couple of tubes from the prop shop, as it’s otherwise unobtanium from the popular aircraft parts stores.
Lenny
| Quote: | On Dec 29, 2020, at 12:24 AM, Tim Olson <Tim(at)MyRV10.com> wrote:
Rob,
You're not alone. I am overdue on my Hartzell also. Nearly 15 years.
But, I did have mine re-sealed a few years ago. I am sure that your
prop will still be functioning fine a while from now, but, I'd say
plan on a 10 year at least.
I've had mine off a few times for various reasons. Inside the
crank cavity into the prop hub, you've almost certainly got a lot of
gray paste build-up that happens over time. I've cleaned mine
out whenever the prop has been off. This winter I plan to get
the prop overhauled, and it will be interesting to hear how it
goes. I agree that 6 years and 550 hours would seem pretty short.
To me it's like how Lycoming recommends an engine rebuild in 12 years
or 2000 hours. But, there still is a point where an overhaul is due
and I think I'm there. I intended to do it when I replaced the engine
this summer, but this wasn't a good year for it $$$.
I have heard overhauls run $2500, but the place near me charges
$3000. Would be nice to hear what kinds of quotes other people have
gotten, and where they recommend.
Tim
On 12/28/20 10:58 PM, Rob Kochman wrote:
> My RV-10 has the standard Hartzell 2-blade constant speed prop, purchased new. To this point, I've done nothing but lubricate and inspect it annually, as well as file out nicks. I know Hartzell says 6 years for an overhaul, but given limited use (550 hours total time) and the fact that it's always hangared, that seemed excessively conservative. It's also not leaking any oil (still looks like new inside the spinner). However, I'm now approaching 10 years, so curious to hear what people recommend. Thanks!
> -Rob
> --
> Rob Kochman
> RV-10 Flying since March 2011
> Kirkland, WA
|
| | - The Matronics RV10-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV10-List |
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_________________
Lenny Iszak
Palm City, FL
2014 RV-10, N311LZ - 500 hrs |
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Kellym
Joined: 10 Jan 2006
Posts: 1705
Location: Sun Lakes AZ
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| Posted: Tue Dec 29, 2020 4:12 am Post subject: When to service the propeller? |
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The main issue with props (assuming no bad nicks, etc.) is the life of
the seals for the blades. It isn't just that they may start seeping oil.
The more serious issue is their allowing moisture under the seal at the
hub grooves.
You really don't want to have an overhaul done unless the blade has been
filed enough to need reprofiling. An overhaul absolutely requires
removal of a thin layer of aluminum, so that a prop's life can only take
3, maybe 4 overhauls. Even on certified planes an inspect and reseal is
perfectly legal.
I too believe than hangaring greatly increases prop life, except in
corrosive/humid environments.
On 12/28/2020 10:50 PM, Lenny Iszak wrote:
| Quote: |
I had mine (2009 prop with 700 hrs) overhauled a few months ago at Palm Beach Aircraft Propeller, for $2845 + tax.
The seals in it where in pretty bad shape, it was covering my windshield with grease after every flight. A pretty good sign that it needed some TLC.
Btw, Hartzell recommends a new grease now, so if you do get an overhaul, grab a couple of tubes from the prop shop, as it’s otherwise unobtanium from the popular aircraft parts stores.
Lenny
> On Dec 29, 2020, at 12:24 AM, Tim Olson <Tim(at)MyRV10.com> wrote:
>
>
>
> Rob,
> You're not alone. I am overdue on my Hartzell also. Nearly 15 years.
> But, I did have mine re-sealed a few years ago. I am sure that your
> prop will still be functioning fine a while from now, but, I'd say
> plan on a 10 year at least.
>
> I've had mine off a few times for various reasons. Inside the
> crank cavity into the prop hub, you've almost certainly got a lot of
> gray paste build-up that happens over time. I've cleaned mine
> out whenever the prop has been off. This winter I plan to get
> the prop overhauled, and it will be interesting to hear how it
> goes. I agree that 6 years and 550 hours would seem pretty short.
> To me it's like how Lycoming recommends an engine rebuild in 12 years
> or 2000 hours. But, there still is a point where an overhaul is due
> and I think I'm there. I intended to do it when I replaced the engine
> this summer, but this wasn't a good year for it $$$.
>
> I have heard overhauls run $2500, but the place near me charges
> $3000. Would be nice to hear what kinds of quotes other people have
> gotten, and where they recommend.
> Tim
> On 12/28/20 10:58 PM, Rob Kochman wrote:
>> My RV-10 has the standard Hartzell 2-blade constant speed prop, purchased new. To this point, I've done nothing but lubricate and inspect it annually, as well as file out nicks. I know Hartzell says 6 years for an overhaul, but given limited use (550 hours total time) and the fact that it's always hangared, that seemed excessively conservative. It's also not leaking any oil (still looks like new inside the spinner). However, I'm now approaching 10 years, so curious to hear what people recommend. Thanks!
>> -Rob
>> --
>> Rob Kochman
>> RV-10 Flying since March 2011
>> Kirkland, WA
>
|
| | - The Matronics RV10-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV10-List |
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_________________
Kelly McMullen
A&P/IA, EAA Tech Counselor # 5286
KCHD |
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Kellym
Joined: 10 Jan 2006
Posts: 1705
Location: Sun Lakes AZ
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| Posted: Tue Dec 29, 2020 5:28 am Post subject: When to service the propeller? |
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As for the grease in the prop, you should use whatever the prop shop
installed when it was last reassembled, and there should be a sticker
identifying that grease. Most until recent years used Aeroshell 6.
On 12/28/2020 10:50 PM, Lenny Iszak wrote:
| Quote: |
I had mine (2009 prop with 700 hrs) overhauled a few months ago at Palm Beach Aircraft Propeller, for $2845 + tax.
The seals in it where in pretty bad shape, it was covering my windshield with grease after every flight. A pretty good sign that it needed some TLC.
Btw, Hartzell recommends a new grease now, so if you do get an overhaul, grab a couple of tubes from the prop shop, as it’s otherwise unobtanium from the popular aircraft parts stores.
Lenny
> On Dec 29, 2020, at 12:24 AM, Tim Olson <Tim(at)MyRV10.com> wrote:
>
>
>
> Rob,
> You're not alone. I am overdue on my Hartzell also. Nearly 15 years.
> But, I did have mine re-sealed a few years ago. I am sure that your
> prop will still be functioning fine a while from now, but, I'd say
> plan on a 10 year at least.
>
> I've had mine off a few times for various reasons. Inside the
> crank cavity into the prop hub, you've almost certainly got a lot of
> gray paste build-up that happens over time. I've cleaned mine
> out whenever the prop has been off. This winter I plan to get
> the prop overhauled, and it will be interesting to hear how it
> goes. I agree that 6 years and 550 hours would seem pretty short.
> To me it's like how Lycoming recommends an engine rebuild in 12 years
> or 2000 hours. But, there still is a point where an overhaul is due
> and I think I'm there. I intended to do it when I replaced the engine
> this summer, but this wasn't a good year for it $$$.
>
> I have heard overhauls run $2500, but the place near me charges
> $3000. Would be nice to hear what kinds of quotes other people have
> gotten, and where they recommend.
> Tim
> On 12/28/20 10:58 PM, Rob Kochman wrote:
>> My RV-10 has the standard Hartzell 2-blade constant speed prop, purchased new. To this point, I've done nothing but lubricate and inspect it annually, as well as file out nicks. I know Hartzell says 6 years for an overhaul, but given limited use (550 hours total time) and the fact that it's always hangared, that seemed excessively conservative. It's also not leaking any oil (still looks like new inside the spinner). However, I'm now approaching 10 years, so curious to hear what people recommend. Thanks!
>> -Rob
>> --
>> Rob Kochman
>> RV-10 Flying since March 2011
>> Kirkland, WA
>
|
| | - The Matronics RV10-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV10-List |
|
_________________
Kelly McMullen
A&P/IA, EAA Tech Counselor # 5286
KCHD |
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Tim Olson
Joined: 25 Jan 2007
Posts: 2872
|
| Posted: Tue Dec 29, 2020 7:26 am Post subject: When to service the propeller? |
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On that note,I read recently that hartzell started using a new grease not long ago. So if you have a new prop or get an overhaul or reseal, make sure to verify the type of grease because you may need to order that special type of grease from there on.
Tim
| Quote: | On Dec 29, 2020, at 7:45 AM, Kelly McMullen <kellym(at)aviating.com> wrote:
As for the grease in the prop, you should use whatever the prop shop installed when it was last reassembled, and there should be a sticker identifying that grease. Most until recent years used Aeroshell 6.
> On 12/28/2020 10:50 PM, Lenny Iszak wrote:
>
> I had mine (2009 prop with 700 hrs) overhauled a few months ago at Palm Beach Aircraft Propeller, for $2845 + tax.
> The seals in it where in pretty bad shape, it was covering my windshield with grease after every flight. A pretty good sign that it needed some TLC.
> Btw, Hartzell recommends a new grease now, so if you do get an overhaul, grab a couple of tubes from the prop shop, as it’s otherwise unobtanium from the popular aircraft parts stores.
> Lenny
>>> On Dec 29, 2020, at 12:24 AM, Tim Olson <Tim(at)MyRV10.com> wrote:
>>
>>
>>
>> Rob,
>> You're not alone. I am overdue on my Hartzell also. Nearly 15 years.
>> But, I did have mine re-sealed a few years ago. I am sure that your
>> prop will still be functioning fine a while from now, but, I'd say
>> plan on a 10 year at least.
>>
>> I've had mine off a few times for various reasons. Inside the
>> crank cavity into the prop hub, you've almost certainly got a lot of
>> gray paste build-up that happens over time. I've cleaned mine
>> out whenever the prop has been off. This winter I plan to get
>> the prop overhauled, and it will be interesting to hear how it
>> goes. I agree that 6 years and 550 hours would seem pretty short.
>> To me it's like how Lycoming recommends an engine rebuild in 12 years
>> or 2000 hours. But, there still is a point where an overhaul is due
>> and I think I'm there. I intended to do it when I replaced the engine
>> this summer, but this wasn't a good year for it $$$.
>>
>> I have heard overhauls run $2500, but the place near me charges
>> $3000. Would be nice to hear what kinds of quotes other people have
>> gotten, and where they recommend.
>> Tim
>>
>>
>> On 12/28/20 10:58 PM, Rob Kochman wrote:
>>> My RV-10 has the standard Hartzell 2-blade constant speed prop, purchased new. To this point, I've done nothing but lubricate and inspect it annually, as well as file out nicks. I know Hartzell says 6 years for an overhaul, but given limited use (550 hours total time) and the fact that it's always hangared, that seemed excessively conservative. It's also not leaking any oil (still looks like new inside the spinner). However, I'm now approaching 10 years, so curious to hear what people recommend. Thanks!
>>> -Rob
>>> --
>>> Rob Kochman
>>> RV-10 Flying since March 2011
>>> Kirkland, WA
>>
>>
>>
|
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http://www.matronics.com/Navigator?RV10-List |
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rleffler
Joined: 05 Nov 2006
Posts: 680
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| Posted: Tue Dec 29, 2020 7:53 am Post subject: When to service the propeller? |
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I was surprised with that as well when I had my prop serviced recently. The shop included a tube of the new grease. I have yet to find a source for the new grease other than a prop shop.
Anyone have a solution for stopping the grease from breaking down and leaking from the gun during hot weather? With just six pumps per condition inspection, it would be nice to use a tube on more than one inspection.
Get Outlook for iOS
From: owner-rv10-list-server(at)matronics.com <owner-rv10-list-server(at)matronics.com> on behalf of Tim Olson <Tim(at)MyRV10.com>
Sent: Tuesday, December 29, 2020 10:26:10 AM
To: rv10-list(at)matronics.com <rv10-list(at)matronics.com>
Subject: Re: RV10-List: When to service the propeller?
--> RV10-List message posted by: Tim Olson <Tim(at)myrv10.com>
On that note,I read recently that hartzell started using a new grease not long ago. So if you have a new prop or get an overhaul or reseal, make sure to verify the type of grease because you may need to order that special type of grease from there on.
Tim
> On Dec 29, 2020, at 7:45 AM, Kelly McMullen <kellym(at)aviating.com> wrote:
>
> --> RV10-List message posted by: Kelly McMullen <kellym(at)aviating.com>
>
> As for the grease in the prop, you should use whatever the prop shop installed when it was last reassembled, and there should be a sticker identifying that grease. Most until recent years used Aeroshell 6.
>
>> On 12/28/2020 10:50 PM, Lenny Iszak wrote:
>> --> RV10-List message posted by: Lenny Iszak <lenard(at)rapiddecision.com>
>> I had mine (2009 prop with 700 hrs) overhauled a few months ago at Palm Beach Aircraft Propeller, for $2845 + tax.
>> The seals in it where in pretty bad shape, it was covering my windshield with grease after every flight. A pretty good sign that it needed some TLC.
>> Btw, Hartzell recommends a new grease now, so if you do get an overhaul, grab a couple of tubes from the prop shop, as it’s otherwise unobtanium from the popular aircraft parts stores.
>> Lenny
>>>> On Dec 29, 2020, at 12:24 AM, Tim Olson <Tim(at)MyRV10.com> wrote:
>>>
>>> --> RV10-List message posted by: Tim Olson <Tim(at)MyRV10.com>
>>>
>>> Rob,
>>> You're not alone. I am overdue on my Hartzell also. Nearly 15 years.
>>> But, I did have mine re-sealed a few years ago. I am sure that your
>>> prop will still be functioning fine a while from now, but, I'd say
>>> plan on a 10 year at least.
>>>
>>> I've had mine off a few times for various reasons. Inside the
>>> crank cavity into the prop hub, you've almost certainly got a lot of
>>> gray paste build-up that happens over time. I've cleaned mine
>>> out whenever the prop has been off. This winter I plan to get
>>> the prop overhauled, and it will be interesting to hear how it
>>> goes. I agree that 6 years and 550 hours would seem pretty short.
>>> To me it's like how Lycoming recommends an engine rebuild in 12 years
>>> or 2000 hours. But, there still is a point where an overhaul is due
>>> and I think I'm there. I intended to do it when I replaced the engine
>>> this summer, but this wasn't a good year for it $$$.
>>>
>>> I have heard overhauls run $2500, but the place near me charges
>>> $3000. Would be nice to hear what kinds of quotes other people have
>>> gotten, and where they recommend.
>>> Tim
>>>
>>>
>>> On 12/28/20 10:58 PM, Rob Kochman wrote:
>>>> My RV-10 has the standard Hartzell 2-blade constant speed prop, purchased new. To this point, I've done nothing but lubricate and inspect it annually, as well as file out nicks. I know Hartzell says 6 years for an overhaul, but given limited use (550 hours total time) and the fact that it's always hangared, that seemed excessively conservative. It's also not leaking any oil (still looks like new inside the spinner). However, I'm now approaching 10 years, so curious to hear what people recommend. Thanks!
>>>> -Rob
>>>> --
>>>> Rob Kochman
>>>> RV-10 Flying since March 2011
>>>> Kirkland, WA
>>>
>>>
>>>
>
>
>
| | - The Matronics RV10-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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_________________
Bob Leffler
N410BL - Phase I
http://mykitlog.com/rleffler |
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Tim Olson
Joined: 25 Jan 2007
Posts: 2872
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| Posted: Tue Dec 29, 2020 8:15 am Post subject: When to service the propeller? |
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I had that happen to me once where the grease broke down and the thin more liquid
portion separated out and leaked out. Made me real irritated.
I *think* it may be due to storing the grease in the gun under pressure, with that
spring pressing against the grease. You don't see it happen with fresh tubes
sitting on shelves, as far as I've seen. So I pull the springs back all the way when
I'm not using the gun. It may be even better to just remove the tube, but I hate
it when the gun doesn't want to prime again.
Does anyone know if pneumatic grease guns don't use springs, and release pressure
completely when not being used? Or maybe the new lithium electric ones? I would
be willing to spend $150 on a grease gun that would fully release pressure on my
grease tube, and always prime well for me.
On 12/29/2020 9:53 AM, Bob Leffler wrote:
| Quote: | I was surprised with that as well when I had my prop serviced recently. The shop included a tube of the new grease. I have yet to find a source for the new grease other than a prop shop.
Anyone have a solution for stopping the grease from breaking down and leaking from the gun during hot weather? With just six pumps per condition inspection, it would be nice to use a tube on more than one inspection.
Get Outlook for iOS
From: owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com) <owner-rv10-list-server(at)matronics.com> (owner-rv10-list-server(at)matronics.com) on behalf of Tim Olson <Tim(at)MyRV10.com> (Tim(at)MyRV10.com)
Sent: Tuesday, December 29, 2020 10:26:10 AM
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com) <rv10-list(at)matronics.com> (rv10-list(at)matronics.com)
Subject: Re: When to service the propeller?
--> RV10-List message posted by: Tim Olson <Tim(at)myrv10.com> (Tim(at)myrv10.com)
On that note,I read recently that hartzell started using a new grease not long ago. So if you have a new prop or get an overhaul or reseal, make sure to verify the type of grease because you may need to order that special type of grease from there on.
Tim
> On Dec 29, 2020, at 7:45 AM, Kelly McMullen <kellym(at)aviating.com> (kellym(at)aviating.com) wrote:
>
> --> RV10-List message posted by: Kelly McMullen <kellym(at)aviating.com> (kellym(at)aviating.com)
>
> As for the grease in the prop, you should use whatever the prop shop installed when it was last reassembled, and there should be a sticker identifying that grease. Most until recent years used Aeroshell 6.
>
>> On 12/28/2020 10:50 PM, Lenny Iszak wrote:
>> --> RV10-List message posted by: Lenny Iszak <lenard(at)rapiddecision.com> (lenard(at)rapiddecision.com)
>> I had mine (2009 prop with 700 hrs) overhauled a few months ago at Palm Beach Aircraft Propeller, for $2845 + tax.
>> The seals in it where in pretty bad shape, it was covering my windshield with grease after every flight. A pretty good sign that it needed some TLC.
>> Btw, Hartzell recommends a new grease now, so if you do get an overhaul, grab a couple of tubes from the prop shop, as it’s otherwise unobtanium from the popular aircraft parts stores.
>> Lenny
>>>> On Dec 29, 2020, at 12:24 AM, Tim Olson <Tim(at)MyRV10.com> (Tim(at)MyRV10.com) wrote:
>>>
>>> --> RV10-List message posted by: Tim Olson <Tim(at)MyRV10.com> (Tim(at)MyRV10.com)
>>>
>>> Rob,
>>> You're not alone. I am overdue on my Hartzell also. Nearly 15 years.
>>> But, I did have mine re-sealed a few years ago. I am sure that your
>>> prop will still be functioning fine a while from now, but, I'd say
>>> plan on a 10 year at least.
>>>
>>> I've had mine off a few times for various reasons. Inside the
>>> crank cavity into the prop hub, you've almost certainly got a lot of
>>> gray paste build-up that happens over time. I've cleaned mine
>>> out whenever the prop has been off. This winter I plan to get
>>> the prop overhauled, and it will be interesting to hear how it
>>> goes. I agree that 6 years and 550 hours would seem pretty short.
>>> To me it's like how Lycoming recommends an engine rebuild in 12 years
>>> or 2000 hours. But, there still is a point where an overhaul is due
>>> and I think I'm there. I intended to do it when I replaced the engine
>>> this summer, but this wasn't a good year for it $$$.
>>>
>>> I have heard overhauls run $2500, but the place near me charges
>>> $3000. Would be nice to hear what kinds of quotes other people have
>>> gotten, and where they recommend.
>>> Tim
>>>
>>>
>>> On 12/28/20 10:58 PM, Rob Kochman wrote:
>>>> My RV-10 has the standard Hartzell 2-blade constant speed prop, purchased new. To this point, I've done nothing but lubricate and inspect it annually, as well as file out nicks. I know Hartzell says 6 years for an overhaul, but given limited use (550 hours total time) and the fact that it's always hangared, that seemed excessively conservative. It's also not leaking any oil (still looks like new inside the spinner). However, I'm now approaching 10 years, so curious to hear what people recommend. Thanks!
>>>> -Rob
>>>> --
>>>> Rob Kochman
>>>> RV-10 Flying since March 2011
>>>> Kirkland, WA
>>>
>>>
>>>
>
>
>
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philperry9
Joined: 23 Nov 2011
Posts: 381
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| Posted: Tue Dec 29, 2020 11:58 am Post subject: When to service the propeller? |
|
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In Texas, we just keep the grease in the hangar fridge. 🤣. Next to the cold beer.
Sent from my iPhone
[quote] On Dec 29, 2020, at 9:20 AM, Tim Olson <Tim(at)myrv10.com> wrote:
I had that happen to me once where the grease broke down and the thin more liquid
portion separated out and leaked out. Made me real irritated.
I *think* it may be due to storing the grease in the gun under pressure, with that
spring pressing against the grease. You don't see it happen with fresh tubes
sitting on shelves, as far as I've seen. So I pull the springs back all the way when
I'm not using the gun. It may be even better to just remove the tube, but I hate
it when the gun doesn't want to prime again.
Does anyone know if pneumatic grease guns don't use springs, and release pressure
completely when not being used? Or maybe the new lithium electric ones? I would
be willing to spend $150 on a grease gun that would fully release pressure on my
grease tube, and always prime well for me.
On 12/29/2020 9:53 AM, Bob Leffler wrote:
> I was surprised with that as well when I had my prop serviced recently. The shop included a tube of the new grease. I have yet to find a source for the new grease other than a prop shop.
>
> Anyone have a solution for stopping the grease from breaking down and leaking from the gun during hot weather? With just six pumps per condition inspection, it would be nice to use a tube on more than one inspection.
>
> Get Outlook for iOS
> From: owner-rv10-list-server(at)matronics.com <owner-rv10-list-server(at)matronics.com> on behalf of Tim Olson <Tim(at)MyRV10.com>
> Sent: Tuesday, December 29, 2020 10:26:10 AM
> To: rv10-list(at)matronics.com <rv10-list(at)matronics.com>
> Subject: Re: When to service the propeller?
>
>
>
> On that note,I read recently that hartzell started using a new grease not long ago. So if you have a new prop or get an overhaul or reseal, make sure to verify the type of grease because you may need to order that special type of grease from there on.
> Tim
>
> > On Dec 29, 2020, at 7:45 AM, Kelly McMullen <kellym(at)aviating.com> wrote:
> >
> >
> >
> > As for the grease in the prop, you should use whatever the prop shop installed when it was last reassembled, and there should be a sticker identifying that grease. Most until recent years used Aeroshell 6.
> >
> >> On 12/28/2020 10:50 PM, Lenny Iszak wrote:
> >>
> >> I had mine (2009 prop with 700 hrs) overhauled a few months ago at Palm Beach Aircraft Propeller, for $2845 + tax.
> >> The seals in it where in pretty bad shape, it was covering my windshield with grease after every flight. A pretty good sign that it needed some TLC.
> >> Btw, Hartzell recommends a new grease now, so if you do get an overhaul, grab a couple of tubes from the prop shop, as it’s otherwise unobtanium from the popular aircraft parts stores.
> >> Lenny
> >>>> On Dec 29, 2020, at 12:24 AM, Tim Olson <Tim(at)MyRV10.com> wrote:
> >>>
> >>>
> >>>
> >>> Rob,
> >>> You're not alone. I am overdue on my Hartzell also. Nearly 15 years
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Bob Turner
Joined: 03 Jan 2009
Posts: 885
Location: Castro Valley, CA
|
| Posted: Thu Dec 31, 2020 5:21 pm Post subject: Re: When to service the propeller? |
|
|
I too had an oily liquid run out from a grease gun with Aeroshell 6 on a warm summer day. I cannot recall if I had stored it with the spring pulled back, or not. I did note that you can mix Aeroshell 6 with 5, if you placard the plane not to be operated in temperatures below some number that I forget. Also, like everyone else, I did a cursory search for the new recommended grease, and could not find any retail source. I did find that it cannot be mixed with Aeroshell. BTW, the cautions not to mix incompatible greases should be taken seriously. I still recall Alaskan Airlines loosing an MD80 just offshore from LAX after they had mixed greases on the horizontal stabilizer jack screw.
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Kelly McMullen
Joined: 16 Apr 2008
Posts: 1188
Location: Sun Lakes AZ
|
| Posted: Thu Dec 31, 2020 5:59 pm Post subject: When to service the propeller? |
|
|
I know it goes against the grain of CSOB pilots, but a tube of aeroshell 6 is what? Maybe 10-12 bucks, | Quote: | | Sent from my TRS-80 Model 100 |
On Thu, Dec 31, 2020 at 6:25 PM Bob Turner <bobturner(at)alum.rpi.edu (bobturner(at)alum.rpi.edu)> wrote:
| Quote: | --> RV10-List message posted by: "Bob Turner" <bobturner(at)alum.rpi.edu (bobturner(at)alum.rpi.edu)>
I too had an oily liquid run out from a grease gun with Aeroshell 6 on a warm summer day. I cannot recall if I had stored it with the spring pulled back, or not. I did note that you can mix Aeroshell 6 with 5, if you placard the plane not to be operated in temperatures below some number that I forget. Also, like everyone else, I did a cursory search for the new recommended grease, and could not find any retail source. I did find that it cannot be mixed with Aeroshell. BTW, the cautions not to mix incompatible greases should be taken seriously. I still recall Alaskan Airlines loosing an MD80 just offshore from LAX after they had mixed greases on the horizontal stabilizer jack screw.
--------
Bob Turner
RV-10 QB
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=499934#499934
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rleffler
Joined: 05 Nov 2006
Posts: 680
|
| Posted: Sun Jan 03, 2021 3:21 am Post subject: When to service the propeller? |
|
|
Here’s a photo of the new grease Hartzell is now using. It appears that it’s only available through Hartzell authorized service centers. The shop I used wanted $20~$25 per tube.
It would be nice if one of the major retailers would start stocking. I suspect it may take some time for them to begin aware of the change and demand to warrant stocking.
If anyone finds alternate sources, please let the list know.
Bob
[img]cid:83991414-D473-4DEA-8AC3-49B70D66673A[/img]
Get Outlook for iOS
From: owner-rv10-list-server(at)matronics.com <owner-rv10-list-server(at)matronics.com> on behalf of Bob Leffler <bob(at)thelefflers.com>
Sent: Tuesday, December 29, 2020 10:53:09 AM
To: rv10-list(at)matronics.com <rv10-list(at)matronics.com>
Subject: Re: RV10-List: When to service the propeller?
I was surprised with that as well when I had my prop serviced recently. The shop included a tube of the new grease. I have yet to find a source for the new grease other than a prop shop.
Anyone have a solution for stopping the grease from breaking down and leaking from the gun during hot weather? With just six pumps per condition inspection, it would be nice to use a tube on more than one inspection.
Get Outlook for iOS
From: owner-rv10-list-server(at)matronics.com <owner-rv10-list-server(at)matronics.com> on behalf of Tim Olson <Tim(at)MyRV10.com>
Sent: Tuesday, December 29, 2020 10:26:10 AM
To: rv10-list(at)matronics.com <rv10-list(at)matronics.com>
Subject: Re: RV10-List: When to service the propeller?
--> RV10-List message posted by: Tim Olson <Tim(at)myrv10.com>
On that note,I read recently that hartzell started using a new grease not long ago. So if you have a new prop or get an overhaul or reseal, make sure to verify the type of grease because you may need to order that special type of grease from there on.
Tim
> On Dec 29, 2020, at 7:45 AM, Kelly McMullen <kellym(at)aviating.com> wrote:
>
> --> RV10-List message posted by: Kelly McMullen <kellym(at)aviating.com>
>
> As for the grease in the prop, you should use whatever the prop shop installed when it was last reassembled, and there should be a sticker identifying that grease. Most until recent years used Aeroshell 6.
>
>> On 12/28/2020 10:50 PM, Lenny Iszak wrote:
>> --> RV10-List message posted by: Lenny Iszak <lenard(at)rapiddecision.com>
>> I had mine (2009 prop with 700 hrs) overhauled a few months ago at Palm Beach Aircraft Propeller, for $2845 + tax.
>> The seals in it where in pretty bad shape, it was covering my windshield with grease after every flight. A pretty good sign that it needed some TLC.
>> Btw, Hartzell recommends a new grease now, so if you do get an overhaul, grab a couple of tubes from the prop shop, as it’s otherwise unobtanium from the popular aircraft parts stores.
>> Lenny
>>>> On Dec 29, 2020, at 12:24 AM, Tim Olson <Tim(at)MyRV10.com> wrote:
>>>
>>> --> RV10-List message posted by: Tim Olson <Tim(at)MyRV10.com>
>>>
>>> Rob,
>>> You're not alone. I am overdue on my Hartzell also. Nearly 15 years.
>>> But, I did have mine re-sealed a few years ago. I am sure that your
>>> prop will still be functioning fine a while from now, but, I'd say
>>> plan on a 10 year at least.
>>>
>>> I've had mine off a few times for various reasons. Inside the
>>> crank cavity into the prop hub, you've almost certainly got a lot of
>>> gray paste build-up that happens over time. I've cleaned mine
>>> out whenever the prop has been off. This winter I plan to get
>>> the prop overhauled, and it will be interesting to hear how it
>>> goes. I agree that 6 years and 550 hours would seem pretty short.
>>> To me it's like how Lycoming recommends an engine rebuild in 12 years
>>> or 2000 hours. But, there still is a point where an overhaul is due
>>> and I think I'm there. I intended to do it when I replaced the engine
>>> this summer, but this wasn't a good year for it $$$.
>>>
>>> I have heard overhauls run $2500, but the place near me charges
>>> $3000. Would be nice to hear what kinds of quotes other people have
>>> gotten, and where they recommend.
>>> Tim
>>>
>>>
>>> On 12/28/20 10:58 PM, Rob Kochman wrote:
>>>> My RV-10 has the standard Hartzell 2-blade constant speed prop, purchased new. To this point, I've done nothing but lubricate and inspect it annually, as well as file out nicks. I know Hartzell says 6 years for an overhaul, but given limited use (550 hours total time) and the fact that it's always hangared, that seemed excessively conservative. It's also not leaking any oil (still looks like new inside the spinner). However, I'm now approaching 10 years, so curious to hear what people recommend. Thanks!
>>>> -Rob
>>>> --
>>>> Rob Kochman
>>>> RV-10 Flying since March 2011
>>>> Kirkland, WA
>>>
>>>
>>>
>
>
>
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Bob Leffler
N410BL - Phase I
http://mykitlog.com/rleffler |
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Kellym
Joined: 10 Jan 2006
Posts: 1705
Location: Sun Lakes AZ
|
| Posted: Sun Jan 03, 2021 6:31 am Post subject: When to service the propeller? |
|
|
The only one I found is:
https://www.skygeek.com/nyco-gn-148-blue-grease-400-gram-cartridge.html
$23
On 1/3/2021 4:20 AM, Bob Leffler wrote:
| Quote: | Here’s a photo of the new grease Hartzell is now using. It appears
that it’s only available through Hartzell authorized service centers.
The shop I used wanted $20~$25 per tube.
It would be nice if one of the major retailers would start stocking. I
suspect it may take some time for them to begin aware of the change and
demand to warrant stocking.
If anyone finds alternate sources, please let the list know.
Bob
Image.jpeg
Get Outlook for iOS <https://aka.ms/o0ukef>
------------------------------------------------------------------------
*From:* owner-rv10-list-server(at)matronics.com
<owner-rv10-list-server(at)matronics.com> on behalf of Bob Leffler
<bob(at)thelefflers.com>
*Sent:* Tuesday, December 29, 2020 10:53:09 AM
*To:* rv10-list(at)matronics.com <rv10-list(at)matronics.com>
*Subject:* Re: When to service the propeller?
I was surprised with that as well when I had my prop serviced recently.
The shop included a tube of the new grease. I have yet to find a
source for the new grease other than a prop shop.
Anyone have a solution for stopping the grease from breaking down and
leaking from the gun during hot weather? With just six pumps per
condition inspection, it would be nice to use a tube on more than one
inspection.
Get Outlook for iOS <https://aka.ms/o0ukef>
------------------------------------------------------------------------
*From:* owner-rv10-list-server(at)matronics.com
<owner-rv10-list-server(at)matronics.com> on behalf of Tim Olson
<Tim(at)MyRV10.com>
*Sent:* Tuesday, December 29, 2020 10:26:10 AM
*To:* rv10-list(at)matronics.com <rv10-list(at)matronics.com>
*Subject:* Re: When to service the propeller?
On that note,I read recently that hartzell started using a new grease
not long ago. So if you have a new prop or get an overhaul or reseal,
make sure to verify the type of grease because you may need to order
that special type of grease from there on.
Tim
> On Dec 29, 2020, at 7:45 AM, Kelly McMullen <kellym(at)aviating.com> wrote:
>
>
>
> As for the grease in the prop, you should use whatever the prop shop installed when it was last reassembled, and there should be a sticker identifying that grease. Most until recent years used Aeroshell 6.
>
>> On 12/28/2020 10:50 PM, Lenny Iszak wrote:
>>
>> I had mine (2009 prop with 700 hrs) overhauled a few months ago at Palm Beach Aircraft Propeller, for $2845 + tax.
>> The seals in it where in pretty bad shape, it was covering my windshield with grease after every flight. A pretty good sign that it needed some TLC.
>> Btw, Hartzell recommends a new grease now, so if you do get an overhaul, grab a couple of tubes from the prop shop, as it’s otherwise unobtanium from the popular aircraft parts stores.
>> Lenny
>>>> On Dec 29, 2020, at 12:24 AM, Tim Olson <Tim(at)MyRV10.com> wrote:
>>>
>>>
>>>
>>> Rob,
>>> You're not alone. I am overdue on my Hartzell also. Nearly 15 years.
>>> But, I did have mine re-sealed a few years ago. I am sure that your
>>> prop will still be functioning fine a while from now, but, I'd say
>>> plan on a 10 year at least.
>>>
>>> I've had mine off a few times for various reasons. Inside the
>>> crank cavity into the prop hub, you've almost certainly got a lot of
>>> gray paste build-up that happens over time. I've cleaned mine
>>> out whenever the prop has been off. This winter I plan to get
>>> the prop overhauled, and it will be interesting to hear how it
>>> goes. I agree that 6 years and 550 hours would seem pretty short.
>>> To me it's like how Lycoming recommends an engine rebuild in 12 years
>>> or 2000 hours. But, there still is a point where an overhaul is due
>>> and I think I'm there. I intended to do it when I replaced the engine
>>> this summer, but this wasn't a good year for it $$$.
>>>
>>> I have heard overhauls run $2500, but the place near me charges
>>> $3000. Would be nice to hear what kinds of quotes other people have
>>> gotten, and where they recommend.
>>> Tim
>>>
>>>
>>> On 12/28/20 10:58 PM, Rob Kochman wrote:
>>>> My RV-10 has the standard Hartzell 2-blade constant speed prop, purchased new. To this point, I've done nothing but lubricate and inspect it annually, as well as file out nicks. I know Hartzell says 6 years for an overhaul, but given limited use (550 hours total time) and the fact that it's always hangared, that seemed
excessively conservative. It's also not leaking any oil (still looks
like new inside the spinner). However, I'm now approaching 10 years, so
curious to hear what people recommend. Thanks!
>>>> -Rob
>>>> --
>>>> Rob Kochman
>>>> RV-10 Flying since March 2011
>>>> Kirkland, WA
>>>
>>>
>>>
>
>
>
<http://www.matronics.com/Navigator?RV10-List>
<http://www.matronics.com/contribution>
|
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A&P/IA, EAA Tech Counselor # 5286
KCHD |
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wgreenley
Joined: 09 Jan 2010
Posts: 100
Location: Dowagiac, MI
|
| Posted: Sun Jan 03, 2021 9:24 am Post subject: When to service the propeller? |
|
|
The manufacturer describes is as follows: (interesting that they list it as a wheel bearing grease)
The newest high-temperature range grease for longer wheel bearing lifeDESCRIPTION
NYCO GREASE GN 3058 is a white lithium complex thickened synthetic grease designed to operate in salty and humid environment in a very wide temperature range going from -54°C to +175°C.APPLICATIONS- Wheels
- Landing gears
- Heavy loaded systems
MAIN BENEFITS- High load carrying capabilities,
- Outstanding resistance to water washout and to high temperatures,
- Very good protection against corrosion even in the presence of salt water.
On Sun, Jan 3, 2021 at 10:47 AM Lenard Iszak <lenard(at)rapiddecision.com (lenard(at)rapiddecision.com)> wrote:
| Quote: | This is what they put in my prop:
Lenny
> On Jan 3, 2021, at 9:54 AM, Kelly McMullen <kellym(at)aviating.com (kellym(at)aviating.com)> wrote:
>
> --> RV10-List message posted by: Kelly McMullen <kellym(at)aviating.com (kellym(at)aviating.com)>
>
> The only one I found is:
> https://www.skygeek.com/nyco-gn-148-blue-grease-400-gram-cartridge.html
> $23
>> On 1/3/2021 4:20 AM, Bob Leffler wrote:
>> Here’s a photo of the new grease Hartzell is now using. It appears that it’s only available through Hartzell authorized service centers. The shop I used wanted $20~$25 per tube.
>> It would be nice if one of the major retailers would start stocking. I suspect it may take some time for them to begin aware of the change and demand to warrant stocking.
>> If anyone finds alternate sources, please let the list know.
>> Bob
>> Image.jpeg
>> Get Outlook for iOS <https://aka.ms/o0ukef>
>> ------------------------------------------------------------------------
>> *From:* owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com) <owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com)> on behalf of Bob Leffler <bob(at)thelefflers.com (bob(at)thelefflers.com)>
>> *Sent:* Tuesday, December 29, 2020 10:53:09 AM
>> *To:* rv10-list(at)matronics.com (rv10-list(at)matronics.com) <rv10-list(at)matronics.com (rv10-list(at)matronics.com)>
>> *Subject:* Re: When to service the propeller?
>> I was surprised with that as well when I had my prop serviced recently. The shop included a tube of the new grease. I have yet to find a source for the new grease other than a prop shop.
>> Anyone have a solution for stopping the grease from breaking down and leaking from the gun during hot weather? With just six pumps per condition inspection, it would be nice to use a tube on more than one inspection.
>> Get Outlook for iOS <https://aka.ms/o0ukef>
>> ------------------------------------------------------------------------
>> *From:* owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com) <owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com)> on behalf of Tim Olson <Tim(at)MyRV10.com>
>> *Sent:* Tuesday, December 29, 2020 10:26:10 AM
>> *To:* rv10-list(at)matronics.com (rv10-list(at)matronics.com) <rv10-list(at)matronics.com (rv10-list(at)matronics.com)>
>> *Subject:* Re: When to service the propeller?
>> --> RV10-List message posted by: Tim Olson <Tim(at)myrv10.com (Tim(at)myrv10.com)>
>> On that note,I read recently that hartzell started using a new grease not long ago. So if you have a new prop or get an overhaul or reseal, make sure to verify the type of grease because you may need to order that special type of grease from there on.
>> Tim
>>>> On Dec 29, 2020, at 7:45 AM, Kelly McMullen <kellym(at)aviating.com (kellym(at)aviating.com)> wrote:
>>> --> RV10-List message posted by: Kelly McMullen <kellym(at)aviating.com (kellym(at)aviating.com)>
>>> As for the grease in the prop, you should use whatever the prop shop installed when it was last reassembled, and there should be a sticker identifying that grease. Most until recent years used Aeroshell 6.
>>>> On 12/28/2020 10:50 PM, Lenny Iszak wrote:
>>>> --> RV10-List message posted by: Lenny Iszak <lenard(at)rapiddecision.com (lenard(at)rapiddecision.com)>
>>>> I had mine (2009 prop with 700 hrs) overhauled a few months ago at Palm Beach Aircraft Propeller, for $2845 + tax.
>>>> The seals in it where in pretty bad shape, it was covering my windshield with grease after every flight. A pretty good sign that it needed some TLC.
>>>> Btw, Hartzell recommends a new grease now, so if you do get an overhaul, grab a couple of tubes from the prop shop, as it’s otherwise unobtanium from the popular aircraft parts stores.
>>>> Lenny
>>>>>> On Dec 29, 2020, at 12:24 AM, Tim Olson <Tim(at)MyRV10.com> wrote:
>>>>> --> RV10-List message posted by: Tim Olson <Tim(at)MyRV10.com>
>>>>> Rob,
>>>>> You're not alone. I am overdue on my Hartzell also. Nearly 15 years.
>>>>> But, I did have mine re-sealed a few years ago. I am sure that your
>>>>> prop will still be functioning fine a while from now, but, I'd say
>>>>> plan on a 10 year at least.
>>>>> I've had mine off a few times for various reasons. Inside the
>>>>> crank cavity into the prop hub, you've almost certainly got a lot of
>>>>> gray paste build-up that happens over time. I've cleaned mine
>>>>> out whenever the prop has been off. This winter I plan to get
>>>>> the prop overhauled, and it will be interesting to hear how it
>>>>> goes. I agree that 6 years and 550 hours would seem pretty short.
>>>>> To me it's like how Lycoming recommends an engine rebuild in 12 years
>>>>> or 2000 hours. But, there still is a point where an overhaul is due
>>>>> and I think I'm there. I intended to do it when I replaced the engine
>>>>> this summer, but this wasn't a good year for it $$$.
>>>>> I have heard overhauls run $2500, but the place near me charges
>>>>> $3000. Would be nice to hear what kinds of quotes other people have
>>>>> gotten, and where they recommend.
>>>>> Tim
>>>>> On 12/28/20 10:58 PM, Rob Kochman wrote:
>>>>>> My RV-10 has the standard Hartzell 2-blade constant speed prop, purchased new. To this point, I've done nothing but lubricate and inspect it annually, as well as file out nicks. I know Hartzell says 6 years for an overhaul, but given limited use (550 hours total time) and the fact that it's always hangared, that seemed
>> excessively conservative. It's also not leaking any oil (still looks like new inside the spinner). However, I'm now approaching 10 years, so curious to hear what people recommend. Thanks!
>>>>>> -Rob
>>>>>> --
>>>>>> Rob Kochman
>>>>>> RV-10 Flying since March 2011
>>>>>> Kirkland, WA
>> <http://www.matronics.com/Navigator?RV10-List>
>> <http://www.matronics.com/contribution>
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TimRVator(at)comcast.net
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| Posted: Sun Jan 03, 2021 3:03 pm Post subject: When to service the propeller? |
|
|
| Quote: | Anyone have a solution for stopping the grease from breaking down and
leaking from the gun during hot weather? With just six pumps per
condition inspection, it would be nice to use a tube on more than one
inspection.
|
On my grease gun, I can pull the T handle all the way back, rotate the
handle (takes some trial and error) to find the T handle orientation
where the handle stays pulled out. This keeps the grease from being
under constant spring pressure, which helps prevent the oil from
separating from the wax (on Aeroshell 6).
BTW, Aeroshell now extends the shelf life of Aeroshell 6 if unopened and
stored at constant temp:
https://jota.net.pl/wp-content/uploads/2020/03/Change-of-AeroShell-Grease-Shelf-Life-12062019.pdf
--
Tim Lewis -- HEF (Manassas, VA)
CFI, A&P
RV-6A N47TD -- 1104 hrs - sold
RV-10 N31TD -- 1200 hrs
Bob Leffler wrote on 12/29/2020 10:53 AM:
| Quote: | I was surprised with that as well when I had my prop serviced
recently. The shop included a tube of the new grease. I have yet to
find a source for the new grease other than a prop shop.
Anyone have a solution for stopping the grease from breaking down and
leaking from the gun during hot weather? With just six pumps per
condition inspection, it would be nice to use a tube on more than one
inspection.
Get Outlook for iOS <https://aka.ms/o0ukef>
------------------------------------------------------------------------
*From:* owner-rv10-list-server(at)matronics.com
<owner-rv10-list-server(at)matronics.com> on behalf of Tim Olson
<Tim(at)MyRV10.com>
*Sent:* Tuesday, December 29, 2020 10:26:10 AM
*To:* rv10-list(at)matronics.com <rv10-list(at)matronics.com>
*Subject:* Re: When to service the propeller?
On that note,I read recently that hartzell started using a new grease
not long ago. So if you have a new prop or get an overhaul or reseal,
make sure to verify the type of grease because you may need to order
that special type of grease from there on.
Tim
> On Dec 29, 2020, at 7:45 AM, Kelly McMullen <kellym(at)aviating.com> wrote:
>
>
>
> As for the grease in the prop, you should use whatever the prop shop
installed when it was last reassembled, and there should be a sticker
identifying that grease. Most until recent years used Aeroshell 6.
>
>> On 12/28/2020 10:50 PM, Lenny Iszak wrote:
>>
>> I had mine (2009 prop with 700 hrs) overhauled a few months ago at
Palm Beach Aircraft Propeller, for $2845 + tax.
>> The seals in it where in pretty bad shape, it was covering my
windshield with grease after every flight. A pretty good sign that it
needed some TLC.
>> Btw, Hartzell recommends a new grease now, so if you do get an
overhaul, grab a couple of tubes from the prop shop, as it’s otherwise
unobtanium from the popular aircraft parts stores.
>> Lenny
>>>> On Dec 29, 2020, at 12:24 AM, Tim Olson <Tim(at)MyRV10.com> wrote:
>>>
>>>
>>>
>>> Rob,
>>> You're not alone. I am overdue on my Hartzell also. Nearly 15 years.
>>> But, I did have mine re-sealed a few years ago. I am sure that your
>>> prop will still be functioning fine a while from now, but, I'd say
>>> plan on a 10 year at least.
>>>
>>> I've had mine off a few times for various reasons. Inside the
>>> crank cavity into the prop hub, you've almost certainly got a lot of
>>> gray paste build-up that happens over time. I've cleaned mine
>>> out whenever the prop has been off. This winter I plan to get
>>> the prop overhauled, and it will be interesting to hear how it
>>> goes. I agree that 6 years and 550 hours would seem pretty short.
>>> To me it's like how Lycoming recommends an engine rebuild in 12 years
>>> or 2000 hours. But, there still is a point where an overhaul is due
>>> and I think I'm there. I intended to do it when I replaced the engine
>>> this summer, but this wasn't a good year for it $$$.
>>>
>>> I have heard overhauls run $2500, but the place near me charges
>>> $3000. Would be nice to hear what kinds of quotes other people have
>>> gotten, and where they recommend.
>>> Tim
>>>
>>>
>>> On 12/28/20 10:58 PM, Rob Kochman wrote:
>>>> My RV-10 has the standard Hartzell 2-blade constant speed prop,
purchased new. To this point, I've done nothing but lubricate and
inspect it annually, as well as file out nicks. I know Hartzell says 6
years for an overhaul, but given limited use (550 hours total time)
and the fact that it's always hangared, that seemed excessively
conservative. It's also not leaking any oil (still looks like new
inside the spinner). However, I'm now approaching 10 years, so curious
to hear what people recommend. Thanks!
>>>> -Rob
>>>> --
>>>> Rob Kochman
>>>> RV-10 Flying since March 2011
>>>> Kirkland, WA
>>>
>>>
>>>
>
>
>
<http://www.matronics.com/Navigator?RV10-List>
<http://www.matronics.com/contribution>
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