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john(at)trollingers.com
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 Posted: Thu Mar 12, 2015 5:02 am Post subject: How to lift the nose wheel without an engine hoist |
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I am getting ready to do the nose wheel SB and am trying to figure out a good way to lift the nose wheel without an engine hoist. I do have wing jacks I could use somewhere or try and pull the tail down with weights. Just trying to see what others might have done.
thanks,
John
[quote][b]
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Kellym
Joined: 10 Jan 2006
Posts: 1705
Location: Sun Lakes AZ
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| Posted: Thu Mar 12, 2015 5:10 am Post subject: How to lift the nose wheel without an engine hoist |
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Check around your airport. A large number of aircraft owners have
hoists. New ones are usually available at auto parts stores for less
than $150, and somewhat less from Harbor Freight. Money well spent
rather than trying to do something risky with your valuable airframe.
Not to mention risk of injury.
On 3/12/2015 6:00 AM, John Trollinger wrote:
| Quote: | I am getting ready to do the nose wheel SB and am trying to figure out
a good way to lift the nose wheel without an engine hoist. I do have
wing jacks I could use somewhere or try and pull the tail down with
weights. Just trying to see what others might have done.
thanks,
John
*
*
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Lew Gallagher
Joined: 04 Jan 2008
Posts: 402
Location: Greenville , SC
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| Posted: Thu Mar 12, 2015 5:21 am Post subject: How to lift the nose wheel without an engine hoist |
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Hey John,
Good timing, we just did this yesterday. We pulled the tail down with the tie down. Enough to get the bolt out of the top of shock unit, then took the bottom bolt out so that the doughnuts came out as a unit. Put the plate in, put the unit back in, put bottom bolt in, then released the tail, then jacked the tail up enough to compress the doughnuts with SB plate (acts as slight new washer), put top bolt in ... done.
Later, – Lew
From: John Trollinger (john(at)trollingers.com)
Sent: Thursday, March 12, 2015 9:00 AM
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
Subject: How to lift the nose wheel without an engine hoist
I am getting ready to do the nose wheel SB and am trying to figure out a good way to lift the nose wheel without an engine hoist. I do have wing jacks I could use somewhere or try and pull the tail down with weights. Just trying to see what others might have done.
thanks,
John
[quote]
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jesse(at)saintaviation.co
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| Posted: Thu Mar 12, 2015 5:22 am Post subject: How to lift the nose wheel without an engine hoist |
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Pulling the tail down works great. If you have a good solid tie-down in the floor, then holding the tail down while someone ties it down works fine. You need the tail close to the floor to clear up front.
Jesse Saint
Saint Aviation, Inc.
352-427-0285
jesse(at)saintaviation.com (jesse(at)saintaviation.com)
Sent from my iPad
On Mar 12, 2015, at 9:00 AM, John Trollinger <john(at)trollingers.com (john(at)trollingers.com)> wrote:
[quote]I am getting ready to do the nose wheel SB and am trying to figure out a good way to lift the nose wheel without an engine hoist. I do have wing jacks I could use somewhere or try and pull the tail down with weights. Just trying to see what others might have done.
thanks,
John
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ot;">http://www.matronics.com/contribution
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schmoboy
Joined: 26 Feb 2006
Posts: 130
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| Posted: Thu Mar 12, 2015 5:33 am Post subject: How to lift the nose wheel without an engine hoist |
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I have an eye-bolt in the hangar floor that I attach to with the tail
tie-down using a come along
(http://www.harborfreight.com/catalogsearch/result/index/?q=come+along). Works
really well.
-Sean #40303 (waiting for painter slot)
Kelly McMullen wrote:
| Quote: | Check around your airport. A large number of aircraft owners have
hoists. New ones are usually available at auto parts stores for less
than $150, and somewhat less from Harbor Freight. Money well spent
rather than trying to do something risky with your valuable airframe.
Not to mention risk of injury.
On 3/12/2015 6:00 AM, John Trollinger wrote:
> I am getting ready to do the nose wheel SB and am trying to figure
> out a good way to lift the nose wheel without an engine hoist. I do
> have wing jacks I could use somewhere or try and pull the tail down
> with weights. Just trying to see what others might have done.
>
> thanks,
>
> John
> *
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cooprv7(at)yahoo.com
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| Posted: Thu Mar 12, 2015 5:40 am Post subject: How to lift the nose wheel without an engine hoist |
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Getting ready to do this as well, thanks for the suggestions. Just curious what, if anything, folks are putting on the plate? I’ve ready before preseal or red silicone. Wondering if there are any further thoughts?
Marcus
On Mar 12, 2015, at 9:19 AM, <lewgall(at)charter.net (lewgall(at)charter.net)> <lewgall(at)charter.net (lewgall(at)charter.net)> wrote:
Hey John,
Good timing, we just did this yesterday. We pulled the tail down with the tie down. Enough to get the bolt out of the top of shock unit, then took the bottom bolt out so that the doughnuts came out as a unit. Put the plate in, put the unit back in, put bottom bolt in, then released the tail, then jacked the tail up enough to compress the doughnuts with SB plate (acts as slight new washer), put top bolt in ... done.
Later, – Lew
From: John Trollinger (john(at)trollingers.com)
Sent: Thursday, March 12, 2015 9:00 AM
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
Subject: How to lift the nose wheel without an engine hoist
I am getting ready to do the nose wheel SB and am trying to figure out a good way to lift the nose wheel without an engine hoist. I do have wing jacks I could use somewhere or try and pull the tail down with weights. Just trying to see what others might have done.
thanks,
John
[quote][b]
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Tim Olson
Joined: 25 Jan 2007
Posts: 2872
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| Posted: Thu Mar 12, 2015 5:59 am Post subject: How to lift the nose wheel without an engine hoist |
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I do the same exact thing. I cut a 1'x1' square out of my hangar floor and embedded a large turnbuckle in concrete flush with the floor. So i thread in the eyelet and crank it down with a come along jack. Much easier than a hoist, and less easy to damage the plane. My hoist is stored behind the plane and just rolling that out and folding out the legs is a bigger hazard.
Tim
| Quote: | On Mar 12, 2015, at 8:31 AM, Sean Stephens <sean(at)stephensville.com> wrote:
I have an eye-bolt in the hangar floor that I attach to with the tail tie-down using a come along (http://www.harborfreight.com/catalogsearch/result/index/?q=come+along). Works really well.
-Sean #40303 (waiting for painter slot)
Kelly McMullen wrote:
> Check around your airport. A large number of aircraft owners have hoists. New ones are usually available at auto parts stores for less than $150, and somewhat less from Harbor Freight. Money well spent rather than trying to do something risky with your valuable airframe. Not to mention risk of injury.
>
>> On 3/12/2015 6:00 AM, John Trollinger wrote:
>> I am getting ready to do the nose wheel SB and am trying to figure out a good way to lift the nose wheel without an engine hoist. I do have wing jacks I could use somewhere or try and pull the tail down with weights. Just trying to see what others might have done.
>>
>> thanks,
>>
>> John
>> *
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aerosport1
Joined: 07 Nov 2007
Posts: 231
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| Posted: Thu Mar 12, 2015 6:10 am Post subject: How to lift the nose wheel without an engine hoist |
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I bought a furniture dolly at harbor freight added center board with nice eye bolt and then added solid concrete blocks and left room to get an 1.5 inch rachet strap down to the eye bolt. this way I can pull the tail down were ever it is. Works great. I can roll it around very easy
And store it in the corner. Takes up
More room than the eye bolt in the
Concrete but more adjustable.
Just another idea that works
Geoff
Sent from my iPhone
Geoff Combs
Aerosport Modeling & Design
| Quote: | On Mar 12, 2015, at 9:06 AM, Kelly McMullen <kellym(at)aviating.com> wrote:
Check around your airport. A large number of aircraft owners have hoists. New ones are usually available at auto parts stores for less than $150, and somewhat less from Harbor Freight. Money well spent rather than trying to do something risky with your valuable airframe. Not to mention risk of injury.
> On 3/12/2015 6:00 AM, John Trollinger wrote:
> I am getting ready to do the nose wheel SB and am trying to figure out a good way to lift the nose wheel without an engine hoist. I do have wing jacks I could use somewhere or try and pull the tail down with weights. Just trying to see what others might have done.
>
> thanks,
>
> John
> *
>
>
> *
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Geoff Combs
RV-10 QB N829GW
Flying 500 hrs
40033 |
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carl.froehlich(at)verizon
Guest
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| Posted: Thu Mar 12, 2015 6:13 am Post subject: How to lift the nose wheel without an engine hoist |
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I used proseal – works fine.
I do not consider it safe to use the tail tie down bolt to pull down the tail. Remember this tie down is a light piece of threaded aluminum – that you cut the threads for. The risk is the eye bolt pulling out and you dropping the prop and engine onto the hangar floor. A Harbor Freight engine hoist is exceptionally cheap compared to recovering from a nose crash even if you are not hurt. The hoist will be used at least for every annual as well when you pull the nose wheel to grease the bearings.
Carl
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Marcus Cooper
Sent: Thursday, March 12, 2015 9:37 AM
To: rv10-list(at)matronics.com
Subject: Re: How to lift the nose wheel without an engine hoist
Getting ready to do this as well, thanks for the suggestions. Just curious what, if anything, folks are putting on the plate? I’ve ready before preseal or red silicone. Wondering if there are any further thoughts?
Marcus
On Mar 12, 2015, at 9:19 AM, <lewgall(at)charter.net (lewgall(at)charter.net)> <lewgall(at)charter.net (lewgall(at)charter.net)> wrote:
Hey John,
Good timing, we just did this yesterday. We pulled the tail down with the tie down. Enough to get the bolt out of the top of shock unit, then took the bottom bolt out so that the doughnuts came out as a unit. Put the plate in, put the unit back in, put bottom bolt in, then released the tail, then jacked the tail up enough to compress the doughnuts with SB plate (acts as slight new washer), put top bolt in ... done.
Later, – Lew
From: John Trollinger (john(at)trollingers.com)
Sent: Thursday, March 12, 2015 9:00 AM
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
Subject: How to lift the nose wheel without an engine hoist
I am getting ready to do the nose wheel SB and am trying to figure out a good way to lift the nose wheel without an engine hoist. I do have wing jacks I could use somewhere or try and pull the tail down with weights. Just trying to see what others might have done.
thanks,
John
0
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[quote][b]
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cooprv7(at)yahoo.com
Guest
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| Posted: Thu Mar 12, 2015 6:17 am Post subject: How to lift the nose wheel without an engine hoist |
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I haven’t tried it yet, but in the past some folks recommended filing a plastic tote with concrete and imbedding a hook in it. Sounds like a nice alternative to those of us without a eyelet in our hangar floor or the option to add one but can still pull the tail down.
Marcus
On Mar 12, 2015, at 9:57 AM, Tim Olson <Tim(at)MyRV10.com> wrote:
I do the same exact thing. I cut a 1'x1' square out of my hangar floor and embedded a large turnbuckle in concrete flush with the floor. So i thread in the eyelet and crank it down with a come along jack. Much easier than a hoist, and less easy to damage the plane. My hoist is stored behind the plane and just rolling that out and folding out the legs is a bigger hazard.
Tim
| Quote: | On Mar 12, 2015, at 8:31 AM, Sean Stephens <sean(at)stephensville.com> wrote:
I have an eye-bolt in the hangar floor that I attach to with the tail tie-down using a come along (http://www.harborfreight.com/catalogsearch/result/index/?q=come+along). Works really well.
-Sean #40303 (waiting for painter slot)
Kelly McMullen wrote:
> Check around your airport. A large number of aircraft owners have hoists. New ones are usually available at auto parts stores for less than $150, and somewhat less from Harbor Freight. Money well spent rather than trying to do something risky with your valuable airframe. Not to mention risk of injury.
>
>> On 3/12/2015 6:00 AM, John Trollinger wrote:
>> I am getting ready to do the nose wheel SB and am trying to figure out a good way to lift the nose wheel without an engine hoist. I do have wing jacks I could use somewhere or try and pull the tail down with weights. Just trying to see what others might have done.
>>
>> thanks,
>>
>> John
>> *
|
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http://www.matronics.com/Navigator?RV10-List |
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Tim Olson
Joined: 25 Jan 2007
Posts: 2872
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| Posted: Thu Mar 12, 2015 6:29 am Post subject: How to lift the nose wheel without an engine hoist |
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Yeah, Geoff's idea is great, and a tote would work too.
Regarding Carl's not trusting the threads, I think the threads
are plenty tough for the job. It takes less than 250 lbs
for sure to raise the nose. Depending on the way the aircraft
is loaded (you could add weight to the baggage area), I'm guessing
you can raise the nose by pulling that bolt with anywhere from
75 to 200 lbs of force max. If the tiedown can't hold that,
then we shouldn't be tying down with it, and if the tail can't
hold that, I'm not sure I'd trust the airframe.
Tim
On 3/12/2015 9:14 AM, Marcus Cooper wrote:
| Quote: |
I haven’t tried it yet, but in the past some folks recommended filing a plastic tote with concrete and imbedding a hook in it. Sounds like a nice alternative to those of us without a eyelet in our hangar floor or the option to add one but can still pull the tail down.
Marcus
|
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rv10rob(at)gmail.com
Guest
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| Posted: Thu Mar 12, 2015 6:39 am Post subject: How to lift the nose wheel without an engine hoist |
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When I did mine, I put enough heavy stuff in the baggage area that I think I needed only about 50lbs of force on the tiedown to get the wheel off the floor.
On Thu, Mar 12, 2015 at 7:26 AM, Tim Olson <Tim(at)myrv10.com (Tim(at)myrv10.com)> wrote:
| Quote: | --> RV10-List message posted by: Tim Olson <Tim(at)myrv10.com (Tim(at)myrv10.com)>
Yeah, Geoff's idea is great, and a tote would work too.
Regarding Carl's not trusting the threads, I think the threads
are plenty tough for the job. It takes less than 250 lbs
for sure to raise the nose. Depending on the way the aircraft
is loaded (you could add weight to the baggage area), I'm guessing
you can raise the nose by pulling that bolt with anywhere from
75 to 200 lbs of force max. If the tiedown can't hold that,
then we shouldn't be tying down with it, and if the tail can't
hold that, I'm not sure I'd trust the airframe.
Tim
On 3/12/2015 9:14 AM, Marcus Cooper wrote:
| Quote: | --> RV10-List message posted by: Marcus Cooper <cooprv7(at)yahoo.com (cooprv7(at)yahoo.com)>
I haven’t tried it yet, but in the past some folks recommended filing a plastic tote with concrete and imbedding a hook in it. Sounds like a nice alternative to those of us without a eyelet in our hangar floor or the option to add one but can still pull the tail down.
Marcus
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cooprv7(at)yahoo.com
Guest
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| Posted: Thu Mar 12, 2015 6:42 am Post subject: How to lift the nose wheel without an engine hoist |
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One question on using proseal or any other bonding agent, what is the purpose for it? Once the plate is in place I can’t imagine it’s going to move around any given the pressures involved. Is there another benefit? The SB does not mention using anything.
FWIW the SB also recommends the use of a “ballasted tail stand” so the company does not seem to find an issue with that method of pulling the tail down.
As always, thanks for all the great insight on this forum,
Marcus
On Mar 12, 2015, at 10:10 AM, Carl Froehlich <carl.froehlich(at)verizon.net (carl.froehlich(at)verizon.net)> wrote:
I used proseal – works fine.
I do not consider it safe to use the tail tie down bolt to pull down the tail. Remember this tie down is a light piece of threaded aluminum – that you cut the threads for. The risk is the eye bolt pulling out and you dropping the prop and engine onto the hangar floor. A Harbor Freight engine hoist is exceptionally cheap compared to recovering from a nose crash even if you are not hurt. The hoist will be used at least for every annual as well when you pull the nose wheel to grease the bearings.
Carl
From: owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com) [mailto:owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com)] On Behalf Of Marcus CooperSent: Thursday, March 12, 2015 9:37 AMTo: rv10-list(at)matronics.com (rv10-list(at)matronics.com)Subject: Re: How to lift the nose wheel without an engine hoist
Getting ready to do this as well, thanks for the suggestions. Just curious what, if anything, folks are putting on the plate? I’ve ready before preseal or red silicone. Wondering if there are any further thoughts?
Marcus
On Mar 12, 2015, at 9:19 AM, <lewgall(at)charter.net (lewgall(at)charter.net)> <lewgall(at)charter.net (lewgall(at)charter.net)> wrote:
Hey John,
Good timing, we just did this yesterday. We pulled the tail down with the tie down. Enough to get the bolt out of the top of shock unit, then took the bottom bolt out so that the doughnuts came out as a unit. Put the plate in, put the unit back in, put bottom bolt in, then released the tail, then jacked the tail up enough to compress the doughnuts with SB plate (acts as slight new washer), put top bolt in ... done.
Later, – Lew
From: John Trollinger (john(at)trollingers.com)
Sent: Thursday, March 12, 2015 9:00 AM
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
Subject: How to lift the nose wheel without an engine hoist
I am getting ready to do the nose wheel SB and am trying to figure out a good way to lift the nose wheel without an engine hoist. I do have wing jacks I could use somewhere or try and pull the tail down with weights. Just trying to see what others might have done.
thanks,
John
0
123456789012345678
9
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flying-nut(at)cfl.rr.com
Guest
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| Posted: Thu Mar 12, 2015 6:53 am Post subject: How to lift the nose wheel without an engine hoist |
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The tiedown attachment in the tail is pretty robust but if you have concerns about the amount of threads captured by the tiedown ring's shaft, use a longer bolt and make a temporary tiedown attachment so you can pull the tail down. The 'receiver' for the tiedown ring goes way there!
The other method is to place sandbags on the horizontal stab and/or the fuselage fwd of the vertical stab. Lay the bags (I use bags of salt for my water softener because I have them) along the spar to spread the load.
Linn
On 3/12/2015 10:10 AM, Carl Froehlich wrote:
[quote] <![endif]--> <![endif]-->
I used proseal – works fine.
I do not consider it safe to use the tail tie down bolt to pull down the tail. Remember this tie down is a light piece of threaded aluminum – that you cut the threads for. The risk is the eye bolt pulling out and you dropping the prop and engine onto the hangar floor. A Harbor Freight engine hoist is exceptionally cheap compared to recovering from a nose crash even if you are not hurt. The hoist will be used at least for every annual as well when you pull the nose wheel to grease the bearings.
Carl
From: owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com) [mailto:owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com)] On Behalf Of Marcus Cooper
Sent: Thursday, March 12, 2015 9:37 AM
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
Subject: Re: How to lift the nose wheel without an engine hoist
Getting ready to do this as well, thanks for the suggestions. Just curious what, if anything, folks are putting on the plate? I’ve ready before preseal or red silicone. Wondering if there are any further thoughts?
Marcus
On Mar 12, 2015, at 9:19 AM, <lewgall(at)charter.net (lewgall(at)charter.net)> <lewgall(at)charter.net (lewgall(at)charter.net)> wrote:
Hey John,
Good timing, we just did this yesterday. We pulled the tail down with the tie down. Enough to get the bolt out of the top of shock unit, then took the bottom bolt out so that the doughnuts came out as a unit. Put the plate in, put the unit back in, put bottom bolt in, then released the tail, then jacked the tail up enough to compress the doughnuts with SB plate (acts as slight new washer), put top bolt in ... done.
Later, – Lew
From: John Trollinger (john(at)trollingers.com)
Sent: Thursday, March 12, 2015 9:00 AM
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
Subject: How to lift the nose wheel without an engine hoist
I am getting ready to do the nose wheel SB and am trying to figure out a good way to lift the nose wheel without an engine hoist. I do have wing jacks I could use somewhere or try and pull the tail down with weights. Just trying to see what others might have done.
thanks,
John
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rleffler
Joined: 05 Nov 2006
Posts: 680
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| Posted: Thu Mar 12, 2015 7:20 am Post subject: Re: How to lift the nose wheel without an engine hoist |
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I copied Geoff's approach a couple years ago. It works great. I just did the SB this past weekend. Getting the nose off the ground was the easy part.
Here's a photo:
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Bob Leffler
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Kelly McMullen
Joined: 16 Apr 2008
Posts: 1188
Location: Sun Lakes AZ
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| Posted: Thu Mar 12, 2015 6:49 pm Post subject: How to lift the nose wheel without an engine hoist |
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I know it is popular for homebuilders to invent their own solutions.
However, most certified manufacturers do not approve of winching on the tail tiedown and discourage using it as an anchor to lever the nose up. They are designed to secure the tail at a 45 degree pull angle for forces the horizontal stab can generate, not a direct pull vertically or horizontally. Yes, it probably is strong enough if Murphy doesn't visit.
You have a $150,000 and up aircraft. Virtually everyone had access to a hoist to install the engine. You can generally find hoists for not much over $100 to buy, new. In other words about the cost of an hour's flight or a tungsten bucking bar. Do you really want to risk damage to something you worked so hard to build?
On Thu, Mar 12, 2015 at 7:51 AM, Linn Walters <flying-nut(at)cfl.rr.com (flying-nut(at)cfl.rr.com)> wrote:
[quote] The tiedown attachment in the tail is pretty robust but if you have concerns about the amount of threads captured by the tiedown ring's shaft, use a longer bolt and make a temporary tiedown attachment so you can pull the tail down. The 'receiver' for the tiedown ring goes way there!
The other method is to place sandbags on the horizontal stab and/or the fuselage fwd of the vertical stab. Lay the bags (I use bags of salt for my water softener because I have them) along the spar to spread the load.
Linn
On 3/12/2015 10:10 AM, Carl Froehlich wrote:
| Quote: |
I used proseal – works fine.
I do not consider it safe to use the tail tie down bolt to pull down the tail. Remember this tie down is a light piece of threaded aluminum – that you cut the threads for. The risk is the eye bolt pulling out and you dropping the prop and engine onto the hangar floor. A Harbor Freight engine hoist is exceptionally cheap compared to recovering from a nose crash even if you are not hurt. The hoist will be used at least for every annual as well when you pull the nose wheel to grease the bearings.
Carl
From: owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com) [mailto:owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com)] On Behalf Of Marcus Cooper
Sent: Thursday, March 12, 2015 9:37 AM
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
Subject: Re: How to lift the nose wheel without an engine hoist
Getting ready to do this as well, thanks for the suggestions. Just curious what, if anything, folks are putting on the plate? I’ve ready before preseal or red silicone. Wondering if there are any further thoughts?
Marcus
On Mar 12, 2015, at 9:19 AM, <lewgall(at)charter.net (lewgall(at)charter.net)> <lewgall(at)charter.net (lewgall(at)charter.net)> wrote:
Hey John,
Good timing, we just did this yesterday. We pulled the tail down with the tie down. Enough to get the bolt out of the top of shock unit, then took the bottom bolt out so that the doughnuts came out as a unit. Put the plate in, put the unit back in, put bottom bolt in, then released the tail, then jacked the tail up enough to compress the doughnuts with SB plate (acts as slight new washer), put top bolt in ... done.
Later, – Lew
From: John Trollinger (john(at)trollingers.com)
Sent: Thursday, March 12, 2015 9:00 AM
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
Subject: How to lift the nose wheel without an engine hoist
I am getting ready to do the nose wheel SB and am trying to figure out a good way to lift the nose wheel without an engine hoist. I do have wing jacks I could use somewhere or try and pull the tail down with weights. Just trying to see what others might have done.
thanks,
John
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woxofswa
Joined: 12 Aug 2008
Posts: 349
Location: AZ
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| Posted: Thu Mar 12, 2015 6:54 pm Post subject: Re: How to lift the nose wheel without an engine hoist |
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I did mine yesterday using a 2x6 between two wing jacks right behind the firewall. Worked great, but in hindsight would have been just as easy with a single jack. You don't have to lift high at all. Be sure to chock the mains and position jack handle(s) so you can reach from your work position.
One advantage of lifting from the front is that it was super simple to make tiny adjustments to get the bolts back lined up again. When I first installed everything during the original build, I had to compress the donuts a bit to get the bolt in with one washer. That was easy with the engine off. Now with the passage of time (100 hours flying for me), you are hoping that the donuts have compressed an amount equal to the thickness of the doubler. I was off just ever so slightly so it took just a few pounds of pressure on the nose assembly to line it up perfectly and for the bolt to slide right in. Very easy with the jack control right there.
I think the purpose for adhesive that people have mentioned is as you are setting everything up, gravity isn't your friend with the doubler. I used about five drops of super glue and it held it fast until I could get the donut popsicle in place.
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Mauledriver(at)nc.rr.com
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| Posted: Sat Mar 14, 2015 6:44 am Post subject: How to lift the nose wheel without an engine hoist |
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On 3/12/2015 10:14 AM, Marcus Cooper wrote:
| Quote: | | Quote: | --> RV10-List message posted by: Marcus Cooper <cooprv7(at)yahoo.com> (cooprv7(at)yahoo.com)
I haven’t tried it yet, but in the past some folks recommended filing a plastic tote with concrete and imbedding a hook in it. Sounds like a nice alternative to those of us without a eyelet in our hangar floor or the option to add one but can still pull the tail down.
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If you look carefully you can see the concrete filled crate I embedded a hook in to winch the tail down to with a tie down strap. Even though I have the ubiqutous HF winch, I find it awkward for lifting the nose for this particular operation. BTW, I load the baggage compartment down with water bottles.
Kitlog - tail raising and lowering
You can also see how I used the HF wince to raise the tail and compress the donuts.
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Rocketman1988
Joined: 21 Jun 2012
Posts: 63
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| Posted: Sat Mar 14, 2015 10:08 am Post subject: Re: How to lift the nose wheel without an engine hoist |
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Kelly said "...They are designed to secure the tail at a 45 degree pull angle for forces the horizontal stab can generate, not a direct pull vertically or horizontally..."
Not to split hairs here, but that makes very little sense as basic physics tells us that the "45 degree pull angle" can be resolved by the summation of a horizontal and vertical components. Therefore, it matters not whether the force is applied vertically or at a 45 degree angle so long as the vertical force does not exceed any structural limitations.
According to many that have tied the tail, it takes less than 250 lbs. The force that the stabilizer can produce is certainly greater than that. Of course, the stabilizer is mounted to distribute it load, so that needs to be considered. For me, I will have no issues borrowing the brick cart idea to secure the tail when necessary.
YMMV.
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Kelly McMullen
Joined: 16 Apr 2008
Posts: 1188
Location: Sun Lakes AZ
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| Posted: Sat Mar 14, 2015 11:25 am Post subject: How to lift the nose wheel without an engine hoist |
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I don't disagree, however, the method of fastening the tiedown, the direction of pull etc do matter as to determining the actual structural strength. Whether rivets are in tension or shear matters. Same for the threads.
If one loads the baggage compartment to lower the needed force, that side is good, but you need to protect against banging the tail on the floor.
On Sat, Mar 14, 2015 at 11:08 AM, Rocketman1988 <Rocketman(at)etczone.com (Rocketman(at)etczone.com)> wrote:
[quote]--> RV10-List message posted by: "Rocketman1988" <Rocketman(at)etczone.com (Rocketman(at)etczone.com)>
Kelly said "...They are designed to secure the tail at a 45 degree pull angle for forces the horizontal stab can generate, not a direct pull vertically or horizontally..."
Not to split hairs here, but that makes very little sense as basic physics tells us that the "45 degree pull angle" can be resolved by the summation of a horizontal and vertical components. Therefore, it matters not whether the force is applied vertically or at a 45 degree angle so long as the vertical force does not exceed any structural limitations.
According to many that have tied the tail, it takes less than 250 lbs. The force that the stabilizer can produce is certainly greater than that. Of course, the stabilizer is mounted to distribute it load, so that needs to be considered. For me, I will have no issues borrowing the brick cart idea to secure the tail when necessary.
YMMV.
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http://forums.matronics.com/viewtopic.php?p=439378#439378
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