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raimo.toivio(at)rwm.fi
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 Posted: Sat Oct 01, 2011 11:47 am Post subject: Heavy In-flight Vibration Riddle |
 |
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All
I have hope-so a nice riddle for you.
Maybe all the answers are useful – let´s collect them all:
***
Yesterday I took off from a very remote /small /windy (90 degrees 12 knots and gusting MUCH) grass strip. Soon until well over the ground at altitude +500 feet with full power and 2nd fuel pump still on and gears up I felt suddenly let us say medium or more shake and vibration. My immediate reaction was to go around and land immediately but abandoned because wind was so furious and I felt I cannot do that (a succesful landing).
I decided to try to fly to the next possible sensible airfield EFHV which was 10 minutes apart.
Those minutes were long: I put my prob (Airmaster CS) to manual and drived it from fine to coarse, tried all the power settings and also a 2nd fuel filter. Finally I noticed that when prop was in a climb mode (in my case 5400 rpm /Rotax 912S) and MAP around 20 inches I got quite a comfortable flying mode and I headed straight home. My airspeed was w that selection about 110 knots but because of a strong headwind GS was only about 70 knots (wanted to be clearly over the ground at 3000 ft because it was well over sunset and totally dark, yesterday we got sunset around 1600 Zulutime and time was well over 1630 when flying).
So, I pushed home one looooong hour. All the aerodynamics were well. I was a bit worried my engine will separate or so. When trying to push more pwr it was more vibra and when trying to pull less pwr same. I Followed a main highway and decided to land there if feeling so. Cars there with lights are almost like a lighted runway...
Finally landing to the EFTP flawlesly.
***
Today we had a FHGP (Family Hangar Grill Party). I tried to check my plane as well as I can. I found something. Very small evidence but something anyway. I tried to fix it and had a test run. I elected to go to fly – hey I am a test pilot who else – and She was better than ever!
I managed to do 2 touches and goes when C172 did one with same runway.
140 knots during downwind makes me always happy.
***
So – dear Ladies and Gentlemen – what was wrong?
It would be nice and very life-useful to hear your opinions or guesses what was wrong.
***
The Rules: one single guess per person, please.
The Prize: The Best Guess will get a Very Special Xmas Present from Finland!
***
I will let you know a solution after a week – be patient.
Have a nice weekend and
Cheers, Raimo Toivio
[img]cid:CB52180F6D77475ABFF27BD7CAC0E655(at)Asus[/img]
Europa XS Mono OH-XRT #417
Updated flight hours /landings: 258,3
37500 Lempaala
FINLAND
p +358-3-3753 777
f +358-3-3753 100
toivio(at)fly.to (toivio(at)fly.to)
www.rwm.fi
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houlihan(at)blueyonder.co
Guest
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| Posted: Sat Oct 01, 2011 12:47 pm Post subject: Heavy In-flight Vibration Riddle |
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My wild guess
Part or all of your propeller leading edge protection had come away on one blade.
Tim
On 1 October 2011 20:44, Raimo Toivio <raimo.toivio(at)rwm.fi (raimo.toivio(at)rwm.fi)> wrote:
| Quote: | All
I have hope-so a nice riddle for you.
Maybe all the answers are useful – let´s collect them all:
***
Yesterday I took off from a very remote /small /windy (90 degrees 12 knots and gusting MUCH) grass strip. Soon until well over the ground at altitude +500 feet with full power and 2nd fuel pump still on and gears up I felt suddenly let us say medium or more shake and vibration. My immediate reaction was to go around and land immediately but abandoned because wind was so furious and I felt I cannot do that (a succesful landing).
I decided to try to fly to the next possible sensible airfield EFHV which was 10 minutes apart.
Those minutes were long: I put my prob (Airmaster CS) to manual and drived it from fine to coarse, tried all the power settings and also a 2nd fuel filter. Finally I noticed that when prop was in a climb mode (in my case 5400 rpm /Rotax 912S) and MAP around 20 inches I got quite a comfortable flying mode and I headed straight home. My airspeed was w that selection about 110 knots but because of a strong headwind GS was only about 70 knots (wanted to be clearly over the ground at 3000 ft because it was well over sunset and totally dark, yesterday we got sunset around 1600 Zulutime and time was well over 1630 when flying).
So, I pushed home one looooong hour. All the aerodynamics were well. I was a bit worried my engine will separate or so. When trying to push more pwr it was more vibra and when trying to pull less pwr same. I Followed a main highway and decided to land there if feeling so. Cars there with lights are almost like a lighted runway...
Finally landing to the EFTP flawlesly.
***
Today we had a FHGP (Family Hangar Grill Party). I tried to check my plane as well as I can. I found something. Very small evidence but something anyway. I tried to fix it and had a test run. I elected to go to fly – hey I am a test pilot who else – and She was better than ever!
I managed to do 2 touches and goes when C172 did one with same runway.
140 knots during downwind makes me always happy.
***
So – dear Ladies and Gentlemen – what was wrong?
It would be nice and very life-useful to hear your opinions or guesses what was wrong.
***
The Rules: one single guess per person, please.
The Prize: The Best Guess will get a Very Special Xmas Present from Finland!
***
I will let you know a solution after a week – be patient.
Have a nice weekend and
Cheers, Raimo Toivio
[img]cid:CB52180F6D77475ABFF27BD7CAC0E655(at)Asus[/img]
Europa XS Mono OH-XRT #417
Updated flight hours /landings: 258,3
37500 Lempaala
FINLAND
p +358-3-3753 777
f +358-3-3753 100
toivio(at)fly.to (toivio(at)fly.to)
www.rwm.fi
|
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rambug
Joined: 19 Sep 2010
Posts: 4
Location: Montréal
|
| Posted: Sat Oct 01, 2011 12:54 pm Post subject: Heavy In-flight Vibration Riddle |
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Hi Raimo,
Glad to see all turned for the best.
As for the cause of your vibrations, I'm taking a guess for a leaf that wrapped itself onto the leading edge of one of your prop's blades.
I'd say it feels a bit high for it to be at 500' AGL but with a lot of wind, in autumn I guess it would be plausible.
Cheers,
Luc
On Sat, Oct 1, 2011 at 21:44, Raimo Toivio <raimo.toivio(at)rwm.fi (raimo.toivio(at)rwm.fi)> wrote:
| Quote: | All
I have hope-so a nice riddle for you.
Maybe all the answers are useful – let´s collect them all:
***
Yesterday I took off from a very remote /small /windy (90 degrees 12 knots and gusting MUCH) grass strip. Soon until well over the ground at altitude +500 feet with full power and 2nd fuel pump still on and gears up I felt suddenly let us say medium or more shake and vibration. My immediate reaction was to go around and land immediately but abandoned because wind was so furious and I felt I cannot do that (a succesful landing).
I decided to try to fly to the next possible sensible airfield EFHV which was 10 minutes apart.
Those minutes were long: I put my prob (Airmaster CS) to manual and drived it from fine to coarse, tried all the power settings and also a 2nd fuel filter. Finally I noticed that when prop was in a climb mode (in my case 5400 rpm /Rotax 912S) and MAP around 20 inches I got quite a comfortable flying mode and I headed straight home. My airspeed was w that selection about 110 knots but because of a strong headwind GS was only about 70 knots (wanted to be clearly over the ground at 3000 ft because it was well over sunset and totally dark, yesterday we got sunset around 1600 Zulutime and time was well over 1630 when flying).
So, I pushed home one looooong hour. All the aerodynamics were well. I was a bit worried my engine will separate or so. When trying to push more pwr it was more vibra and when trying to pull less pwr same. I Followed a main highway and decided to land there if feeling so. Cars there with lights are almost like a lighted runway...
Finally landing to the EFTP flawlesly.
***
Today we had a FHGP (Family Hangar Grill Party). I tried to check my plane as well as I can. I found something. Very small evidence but something anyway. I tried to fix it and had a test run. I elected to go to fly – hey I am a test pilot who else – and She was better than ever!
I managed to do 2 touches and goes when C172 did one with same runway.
140 knots during downwind makes me always happy.
***
So – dear Ladies and Gentlemen – what was wrong?
It would be nice and very life-useful to hear your opinions or guesses what was wrong.
***
The Rules: one single guess per person, please.
The Prize: The Best Guess will get a Very Special Xmas Present from Finland!
***
I will let you know a solution after a week – be patient.
Have a nice weekend and
Cheers, Raimo Toivio
[img]cid:CB52180F6D77475ABFF27BD7CAC0E655(at)Asus[/img]
Europa XS Mono OH-XRT #417
Updated flight hours /landings: 258,3
37500 Lempaala
FINLAND
p [url=tel:%2B358-3-3753%20777]+358-3-3753 777[/url]
f [url=tel:%2B358-3-3753%20100]+358-3-3753 100[/url]
toivio(at)fly.to (toivio(at)fly.to)
www.rwm.fi
|
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_________________
Luc Michaud
Europa Monowheel A059
Canadian Registration C-GLOB (in progress)
Montreal, Québec, Canada |
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zwakie
Joined: 03 Aug 2009
Posts: 157
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| Posted: Sat Oct 01, 2011 2:07 pm Post subject: Re: Heavy In-flight Vibration Riddle |
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Wild guess: lost a prop balancing weight?
| | - The Matronics Europa-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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Marcel Zwakenberg
Europa XS TG || 912ULS || PH-SBR |
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klinefelter.kevin(at)gmai
Guest
|
| Posted: Sat Oct 01, 2011 3:41 pm Post subject: Heavy In-flight Vibration Riddle |
|
|
I would guess something wrong with one carburator.
Kevin
On 10/1/11, Luc Michaud <rambug(at)gmail.com> wrote:
| Quote: | Hi Raimo,
Glad to see all turned for the best.
As for the cause of your vibrations, I'm taking a guess for a leaf that
wrapped itself onto the leading edge of one of your prop's blades.
I'd say it feels a bit high for it to be at 500' AGL but with a lot of wind,
in autumn I guess it would be plausible.
Cheers,
Luc
On Sat, Oct 1, 2011 at 21:44, Raimo Toivio <raimo.toivio(at)rwm.fi> wrote:
> All
>
> I have hope-so a nice riddle for you.
>
> Maybe all the answers are useful – let´s collect them all:
>
> ***
>
> Yesterday I took off from *a very* remote /small /windy (90 degrees 12
> knots and gusting MUCH) grass strip. Soon until well over the ground at
> altitude +500 feet with full power and 2nd fuel pump still on and gears up
> I
> felt suddenly let us say medium or more shake and vibration. My immediate
> reaction was to go around and land immediately but abandoned because wind
> was so furious and I felt I cannot do that (a succesful landing).
>
> I decided to try to fly to the next possible sensible airfield EFHV which
> was 10 minutes apart.
>
> Those minutes were long: I put my prob (Airmaster CS) to manual and drived
> it from fine to coarse, tried all the power settings and also a 2nd fuel
> filter. Finally I noticed that when prop was in a climb mode (in my case
> 5400 rpm /Rotax 912S) and MAP around 20 inches I got quite a comfortable
> flying mode and I headed straight home. My airspeed was w that selection
> about 110 knots but because of a strong headwind GS was only about 70
> knots
> (wanted to be clearly over the ground at 3000 ft because it was well over
> sunset and totally dark, yesterday we got sunset around 1600 Zulutime and
> time was well over 1630 when flying).
>
> So, I pushed home one looooong hour. All the aerodynamics were well. I was
> a bit worried my engine will separate or so. When trying to push more pwr
> it
> was more vibra and when trying to pull less pwr same. I Followed a main
> highway and decided to land there if feeling so. Cars there with lights
> are
> almost like a lighted runway...
>
> Finally landing to the EFTP flawlesly.
>
> ***
>
> Today we had a FHGP (Family Hangar Grill Party). I tried to check my plane
> as well as I can. I found something. Very small evidence but something
> anyway. I tried to fix it and had a test run. I elected to go to fly – hey
> I
> am a test pilot who else – and She was better than ever!
>
> I managed to do 2 touches and goes when C172 did one with same runway.
>
> 140 knots during downwind makes me always happy.
>
> ***
>
> So – dear Ladies and Gentlemen – what was wrong?
>
> It would be nice and very life-useful to hear your opinions or guesses
> what
> was wrong.
>
> ***
>
> The Rules: one single guess per person, please.
>
> The Prize: The Best Guess will get a Very Special Xmas Present from
> Finland!
>
> ***
>
> I will let you know a solution after a week – be patient.
>
> Have a nice weekend and
>
> Cheers, Raimo Toivio
>
> [image: Europa A2A-ala2OK]
>
> Europa XS Mono OH-XRT #417
>
> Updated flight hours /landings: 258,3
>
> 37500 Lempaala
> FINLAND
>
> p +358-3-3753 777
> f +358-3-3753 100
>
> toivio(at)fly.to
> www.rwm.fi****
|
| | - The Matronics Europa-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?Europa-List |
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ward.t(at)xtra.co.nz
Guest
|
| Posted: Sat Oct 01, 2011 5:35 pm Post subject: Heavy In-flight Vibration Riddle |
|
|
Raimo,
My guess it was some propeller imbalance caused by either a stone strike and a little dent in the propeller or sometime small left on one of the propellers, insect or bug 'finished off' on a propeller.
If I am only allowed one guess it would be an insect come bug of some type from Finland.
Cheers,
Tim
Tim Ward
12 Waiwetu Street
Fendalton,
Christchurch, 8052
New Zealand.
ward.t(at)xtra.co.nz
Ph 64 3 3515166
Mob 0210640221
On 2/10/2011, at 12:38 PM, Kevin Klinefelter <klinefelter.kevin(at)gmail.com> wrote:
| Quote: |
I would guess something wrong with one carburator.
Kevin
On 10/1/11, Luc Michaud <rambug(at)gmail.com> wrote:
> Hi Raimo,
>
> Glad to see all turned for the best.
>
> As for the cause of your vibrations, I'm taking a guess for a leaf that
> wrapped itself onto the leading edge of one of your prop's blades.
>
> I'd say it feels a bit high for it to be at 500' AGL but with a lot of wind,
> in autumn I guess it would be plausible.
>
> Cheers,
>
> Luc
>
>
>
> On Sat, Oct 1, 2011 at 21:44, Raimo Toivio <raimo.toivio(at)rwm.fi> wrote:
>
>> All
>>
>> I have hope-so a nice riddle for you.
>>
>> Maybe all the answers are useful – let´s collect them all:
>>
>> ***
>>
>> Yesterday I took off from *a very* remote /small /windy (90 degrees 12
>> knots and gusting MUCH) grass strip. Soon until well over the ground at
>> altitude +500 feet with full power and 2nd fuel pump still on and gears up
>> I
>> felt suddenly let us say medium or more shake and vibration. My immediate
>> reaction was to go around and land immediately but abandoned because wind
>> was so furious and I felt I cannot do that (a succesful landing).
>>
>> I decided to try to fly to the next possible sensible airfield EFHV which
>> was 10 minutes apart.
>>
>> Those minutes were long: I put my prob (Airmaster CS) to manual and drived
>> it from fine to coarse, tried all the power settings and also a 2nd fuel
>> filter. Finally I noticed that when prop was in a climb mode (in my case
>> 5400 rpm /Rotax 912S) and MAP around 20 inches I got quite a comfortable
>> flying mode and I headed straight home. My airspeed was w that selection
>> about 110 knots but because of a strong headwind GS was only about 70
>> knots
>> (wanted to be clearly over the ground at 3000 ft because it was well over
>> sunset and totally dark, yesterday we got sunset around 1600 Zulutime and
>> time was well over 1630 when flying).
>>
>> So, I pushed home one looooong hour. All the aerodynamics were well. I was
>> a bit worried my engine will separate or so. When trying to push more pwr
>> it
>> was more vibra and when trying to pull less pwr same. I Followed a main
>> highway and decided to land there if feeling so. Cars there with lights
>> are
>> almost like a lighted runway...
>>
>> Finally landing to the EFTP flawlesly.
>>
>> ***
>>
>> Today we had a FHGP (Family Hangar Grill Party). I tried to check my plane
>> as well as I can. I found something. Very small evidence but something
>> anyway. I tried to fix it and had a test run. I elected to go to fly – hey
>> I
>> am a test pilot who else – and She was better than ever!
>>
>> I managed to do 2 touches and goes when C172 did one with same runway.
>>
>> 140 knots during downwind makes me always happy.
>>
>> ***
>>
>> So – dear Ladies and Gentlemen – what was wrong?
>>
>> It would be nice and very life-useful to hear your opinions or guesses
>> what
>> was wrong.
>>
>> ***
>>
>> The Rules: one single guess per person, please.
>>
>> The Prize: The Best Guess will get a Very Special Xmas Present from
>> Finland!
>>
>> ***
>>
>> I will let you know a solution after a week – be patient.
>>
>> Have a nice weekend and
>>
>>
>>
>> Cheers, Raimo Toivio
>>
>> [image: Europa A2A-ala2OK]
>>
>> Europa XS Mono OH-XRT #417
>>
>> Updated flight hours /landings: 258,3
>>
>> 37500 Lempaala
>> FINLAND
>>
>> p +358-3-3753 777
>> f +358-3-3753 100
>>
>> toivio(at)fly.to
>> www.rwm.fi****
>>
>>
>
|
| | - The Matronics Europa-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?Europa-List |
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jimpuglise(at)comcast.net
Guest
|
| Posted: Sat Oct 01, 2011 6:37 pm Post subject: Heavy In-flight Vibration Riddle |
|
|
Troy, my guess is that you had a mid-air with a Finnish mosquitoe. That would be plenty to unbalance your prop.
Jim Puglise
A283
From: "Tim Ward" <ward.t(at)xtra.co.nz>
To: europa-list(at)matronics.com
Sent: Saturday, October 1, 2011 9:22:58 PM
Subject: Re: Heavy In-flight Vibration Riddle
--> Europa-List message posted by: Tim Ward <ward.t(at)xtra.co.nz>
Raimo,
My guess it was some propeller imbalance caused by either a stone strike and a little dent in the propeller or sometime small left on one of the propellers, insect or bug 'finished off' on a propeller.
If I am only allowed one guess it would be an insect come bug of some type from Finland.
Cheers,
Tim
Tim Ward
12 Waiwetu Street
Fendalton,
Christchurch, 8052
New Zealand.
ward.t(at)xtra.co.nz
Ph 64 3 3515166
Mob 0210640221
On 2/10/2011, at 12:38 PM, Kevin Klinefelter <klinefelter.kevin(at)gmail.com> wrote:
| Quote: | --> Europa-List message posted by: Kevin Klinefelter <klinefelter.kevin(at)gmail.com>
I would guess something wrong with one carburator.
Kevin
On 10/1/11, Luc Michaud <rambug(at)gmail.com> wrote:
> Hi Raimo,
>
> Glad to see all turned for the best.
>
> As for the cause of your vibrations, I'm taking a guess for a leaf that
> wrapped itself onto the leading edge of one of your prop's blades.
>
> I'd say it feels a bit high for it to be at 500' AGL but with a lot of wind,
> in autumn I guess it would be plausible.
>
> Cheers,
>
> Luc
>
>
>
> On Sat, Oct 1, 2011 at 21:44, Raimo Toivio <raimo.toivio(at)rwm.fi> wrote:
>
>> All
>>
>> I have hope-so a nice riddle for you.
>>
>> Maybe all the answers are useful – let´s collect them all:
>>
>> ***
>>
>> Yesterday I took off from *a very* remote /small /windy (90 degrees 12
>> knots and gusting MUCH) grass strip. Soon until well over the ground at
>> altitude +500 feet with full power and 2nd fuel pump still on and gears up
>> I
>> felt suddenly let us say medium or more shake and vibration. My immediate
>> reaction was to go around and land immediately but abandoned because wind
>> was so furious and I felt I cannot do that (a succesful landing).
>>
>> I decided to try to fly to the next possible sensible airfield EFHV which
>> was 10 minutes apart.
>>
>> Those minutes were long: I put my prob (Airmaster CS) to manual and drived
>> it from fine to coarse, tried all the power settings and also a 2nd fuel
>> filter. Finally I noticed that when prop was in a climb mode (in my case
>> 5400 rpm /Rotax 912S) and MAP around 20 inches I got quite a comfortable
>> flying mode and I headed straight home. My airspeed was w that selection
>> about 110 knots but because of a strong headwind GS was only about 70
>> knots
>> (wanted to be clearly over the ground at 3000 ft because it was well over
>> sunset and totally dark, yesterday we got sunset around 1600 Zulutime and
>> time was well over 1630 when flying).
>>
>> So, I pushed home one looooong hour. All the aerodynamics were well. I was
>> a bit worried my engine will separate or so. When trying to push more pwr
>> it
>> was more vibra and when trying to pull less pwr same. I Followed a main
>> highway and decided to land there if feeling so. Cars there with lights
>> are
>> almost like a lighted runway...
>>
>> Finally landing to the EFTP flawlesly.
>>
>> ***
>>
>> Today we had a FHGP (Family Hangar Grill Party). I tried to check my plane
>> as well as I can. I found something. Very small evidence but something
>> anyway. I tried to fix it and had a test run. I elected to go to fly – hey
>> I
>> am a test pilot who else – and She was better than ever!
>>
>> I managed to do 2 touches and goes when C172 did one with same runway.
>>
>> 140 knots during downwind makes me always happy.
>>
>> ***
>>
>> So – dear Ladies and Gentlemen – what was wrong?
>>
>> It would be nice and very life-useful to hear your opinions or guesses
>> what
>> was wrong.
>>
>> ***
>>
>> The Rules: one single guess per person, please.
>>
>> The Prize: The Best Guess will get a Very Special Xmas Present from
>> Finland!
>>
>> ***
>>
>> I will let you know a solution after a week – be patient.
>>
>> Have a nice weekend and
>>
>>
>>
>> Cheers, Raimo Toivio
>>
>> [image: Europa A2A-ala2OK]
>>
>> Europa XS Mono OH-XRT #417
>>
>> Updated flight hours /landings: 258,3
>>
>> 37500 Lempaala
>> FINLAND
>>
>> p +358-3-3753 777
>> f +358-3-3753 100
>>
>> toivio(at)fly.to
>> www.rwm.fi****
>>
>>
>
<========================
|
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ward.t(at)xtra.co.nz
Guest
|
| Posted: Sat Oct 01, 2011 11:04 pm Post subject: Heavy In-flight Vibration Riddle |
|
|
Raimo,
Could have been a missing or loose propeller spinner hub bolt?
Angus Ward,
Tim’s son
Tim Ward,
12 Waiwetu Street,
Fendalton,
Christchurch 8052
New Zealand
Ph; 03 3515166
Mob; 0210640221
email; ward.t(at)xtra.co.nz
From: Raimo Toivio (raimo.toivio(at)rwm.fi)
Sent: Sunday, October 02, 2011 8:44 AM
To: europa-list(at)matronics.com (europa-list(at)matronics.com)
Subject: Heavy In-flight Vibration Riddle
All
I have hope-so a nice riddle for you.
Maybe all the answers are useful – let´s collect them all:
***
Yesterday I took off from a very remote /small /windy (90 degrees 12 knots and gusting MUCH) grass strip. Soon until well over the ground at altitude +500 feet with full power and 2nd fuel pump still on and gears up I felt suddenly let us say medium or more shake and vibration. My immediate reaction was to go around and land immediately but abandoned because wind was so furious and I felt I cannot do that (a succesful landing).
I decided to try to fly to the next possible sensible airfield EFHV which was 10 minutes apart.
Those minutes were long: I put my prob (Airmaster CS) to manual and drived it from fine to coarse, tried all the power settings and also a 2nd fuel filter. Finally I noticed that when prop was in a climb mode (in my case 5400 rpm /Rotax 912S) and MAP around 20 inches I got quite a comfortable flying mode and I headed straight home. My airspeed was w that selection about 110 knots but because of a strong headwind GS was only about 70 knots (wanted to be clearly over the ground at 3000 ft because it was well over sunset and totally dark, yesterday we got sunset around 1600 Zulutime and time was well over 1630 when flying).
So, I pushed home one looooong hour. All the aerodynamics were well. I was a bit worried my engine will separate or so. When trying to push more pwr it was more vibra and when trying to pull less pwr same. I Followed a main highway and decided to land there if feeling so. Cars there with lights are almost like a lighted runway...
Finally landing to the EFTP flawlesly.
***
Today we had a FHGP (Family Hangar Grill Party). I tried to check my plane as well as I can. I found something. Very small evidence but something anyway. I tried to fix it and had a test run. I elected to go to fly – hey I am a test pilot who else – and She was better than ever!
I managed to do 2 touches and goes when C172 did one with same runway.
140 knots during downwind makes me always happy.
***
So – dear Ladies and Gentlemen – what was wrong?
It would be nice and very life-useful to hear your opinions or guesses what was wrong.
***
The Rules: one single guess per person, please.
The Prize: The Best Guess will get a Very Special Xmas Present from Finland!
***
I will let you know a solution after a week – be patient.
Have a nice weekend and
Cheers, Raimo Toivio
[img]cid:9CA73177CC4F48149E2846DEF2B4FE9F(at)OwnerPC[/img]
Europa XS Mono OH-XRT #417
Updated flight hours /landings: 258,3
37500 Lempaala
FINLAND
p +358-3-3753 777
f +358-3-3753 100
toivio(at)fly.to (toivio(at)fly.to)
www.rwm.fi
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stephan(at)scassel.se
Guest
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| Posted: Sun Oct 02, 2011 1:25 am Post subject: Heavy In-flight Vibration Riddle |
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Hi Raimo,
Very happy that everything vent ok.
Your story sounds very familiar:
Two years ago I had a serious prop failure with my WoodComp SR2000.
One blade stopped due traverse drive failure. This blade had 6-8 degrees (or even more) different pitch compared
with the other two. Must say that I was extremely happy that it was not during an English Channel crossing.
I found out that the travers drive that had collapsed, had no grease on. Totally dry! It was the travers drive behind the control unit (stop-switch).
When I disassembled the prop, the grease on each prop-blade connection to the hub has become very hard.
I talked to Jiri, at WoodComp, and they told me that I should use another grease as they also have found out that the original grease
was not good (in fact very bad)
Every WoodComp SR2000 users should:
1. Disassemble the prop every 200 hours or less and grease all connections. Use Aero Shell 7 (according to WoodComp)
2. Every annual grease the travers drive. Use Molicote (according to WoodComp).
3. Every annual grease the gear box . Use plenty of Vaseline (according to WoodComp)
Now and then clock the time between fine and coarse. It should not take more then 15 seconds. WoodComp say that you can accept
30 seconds but I think that is too much. My prop has now 12 seconds and I will suspect the servo motor or need for new grease when it
takes more then 15-17 seconds.
This is very important !! If the hub connections is not greased well enough, the travers drive will be overloaded and will sooner or later collapse.
WoodComp has excellent HTML based document how the maintain the prop.
Best regards,
Stephan
LN STE Kit 556
[quote][b]
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grahamsingleton(at)btinte
Guest
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| Posted: Sun Oct 02, 2011 1:27 am Post subject: Heavy In-flight Vibration Riddle |
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raimo.toivio(at)rwm.fi
Guest
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| Posted: Sun Oct 02, 2011 8:02 am Post subject: Heavy In-flight Vibration Riddle |
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All
I have got plenty of good guesses via list and also direct.
Some of you have hoped I will not publish them with their names and do not worry I wont´t.
Graham – I /we got an empty message from you – please retype it – I am sure it will be a good info.
One of you have guessed the problem was because a broken de-icing rubber in the prop blade. That´s good but unfortunately my Europa is so far still missing de-icing systems totally. They would be soon very useful in Finland.
***
No one has so far found a reason for my vibra.
So there are still a possibility to get an Xmas packet from Finland.
I quarantee the shipment will be worth of making a good guess.
***
Tips:
- the reason was off /on or black /white –type and very easy to repair; it was fixed in seconds.
- when finally found it was not invisible at all.
Go On!
Cheers, Raimo OH-XRT
From: Raimo Toivio (raimo.toivio(at)rwm.fi)
Sent: Saturday, October 01, 2011 10:44 PM
To: europa-list(at)matronics.com (europa-list(at)matronics.com)
Subject: Heavy In-flight Vibration Riddle
All
I have hope-so a nice riddle for you.
Maybe all the answers are useful – let´s collect them all:
***
Yesterday I took off from a very remote /small /windy (90 degrees 12 knots and gusting MUCH) grass strip. Soon until well over the ground at altitude +500 feet with full power and 2nd fuel pump still on and gears up I felt suddenly let us say medium or more shake and vibration. My immediate reaction was to go around and land immediately but abandoned because wind was so furious and I felt I cannot do that (a succesful landing).
I decided to try to fly to the next possible sensible airfield EFHV which was 10 minutes apart.
Those minutes were long: I put my prob (Airmaster CS) to manual and drived it from fine to coarse, tried all the power settings and also a 2nd fuel filter. Finally I noticed that when prop was in a climb mode (in my case 5400 rpm /Rotax 912S) and MAP around 20 inches I got quite a comfortable flying mode and I headed straight home. My airspeed was w that selection about 110 knots but because of a strong headwind GS was only about 70 knots (wanted to be clearly over the ground at 3000 ft because it was well over sunset and totally dark, yesterday we got sunset around 1600 Zulutime and time was well over 1630 when flying).
So, I pushed home one looooong hour. All the aerodynamics were well. I was a bit worried my engine will separate or so. When trying to push more pwr it was more vibra and when trying to pull less pwr same. I Followed a main highway and decided to land there if feeling so. Cars there with lights are almost like a lighted runway...
Finally landing to the EFTP flawlesly.
***
Today we had a FHGP (Family Hangar Grill Party). I tried to check my plane as well as I can. I found something. Very small evidence but something anyway. I tried to fix it and had a test run. I elected to go to fly – hey I am a test pilot who else – and She was better than ever!
I managed to do 2 touches and goes when C172 did one with same runway.
140 knots during downwind makes me always happy.
***
So – dear Ladies and Gentlemen – what was wrong?
It would be nice and very life-useful to hear your opinions or guesses what was wrong.
***
The Rules: one single guess per person, please.
The Prize: The Best Guess will get a Very Special Xmas Present from Finland!
***
I will let you know a solution after a week – be patient.
Have a nice weekend and
Cheers, Raimo Toivio
[img]cid:E62DD82B7A9B4CC3A62102CC0167144D(at)Asus[/img]
Europa XS Mono OH-XRT #417
Updated flight hours /landings: 258,3
37500 Lempaala
FINLAND
p +358-3-3753 777
f +358-3-3753 100
toivio(at)fly.to (toivio(at)fly.to)
www.rwm.fi
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gregoryf.flyboy(at)comcas
Guest
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| Posted: Sun Oct 02, 2011 9:28 am Post subject: Heavy In-flight Vibration Riddle |
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Here is a guess.
The rubber equalizing tube connecting the carbs had vibrated off..
Regards,
Greg
[quote][b]
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grahamsingleton(at)btinte
Guest
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| Posted: Sun Oct 02, 2011 9:30 am Post subject: Heavy In-flight Vibration Riddle |
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fklein(at)orcasonline.com
Guest
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| Posted: Sun Oct 02, 2011 9:46 am Post subject: Heavy In-flight Vibration Riddle |
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Raimo...I'm asking for a clue...by any chance, did you have a cat onboard during this event?...Fred
On Oct 2, 2011, at 8:58 AM, Raimo Toivio wrote:
[quote] All
I have got plenty of good guesses via list and also direct.
[b]
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stranfaer(at)btinternet.c
Guest
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| Posted: Sun Oct 02, 2011 9:53 am Post subject: Heavy In-flight Vibration Riddle |
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Raimo
My guess was the fuel filler cap left off?
Yes I have done this!
Rgds
David the other one
Sent from the iPad of David Joycewww.eastmidsspas.com
On 2 Oct 2011, at 18:43, Fred Klein <fklein(at)orcasonline.com (fklein(at)orcasonline.com)> wrote:
[quote]Raimo...I'm asking for a clue...by any chance, did you have a cat onboard during this event?...Fred
On Oct 2, 2011, at 8:58 AM, Raimo Toivio wrote:
| Quote: | All
I have got plenty of good guesses via list and also direct.
|
[b]
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yck.laurens(at)gmail.com
Guest
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| Posted: Sun Oct 02, 2011 10:07 am Post subject: Heavy In-flight Vibration Riddle |
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perhaps one of the carb vent small tube disconnected ?
regards
yannick LAURENS
F PSCZ
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ward.t(at)xtra.co.nz
Guest
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| Posted: Sun Oct 02, 2011 10:41 am Post subject: Heavy In-flight Vibration Riddle |
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|
Raimo,
Two thoughts.
Fuel starvation with the fuel pumps not turned on for take off?
Cheers,
Hannah
Tim daughter
Tim Ward12 Waiwetu Street
Fendalton,
Christchurch, 8052
New Zealand.
ward.t(at)xtra.co.nz (ward.t(at)xtra.co.nz)
Ph 64 3 3515166
Mob 0210640221
On 3/10/2011, at 4:58 AM, "Raimo Toivio" <raimo.toivio(at)rwm.fi (raimo.toivio(at)rwm.fi)> wrote:
[quote] All
I have got plenty of good guesses via list and also direct.
Some of you have hoped I will not publish them with their names and do not worry I wont´t.
Graham – I /we got an empty message from you – please retype it – I am sure it will be a good info.
One of you have guessed the problem was because a broken de-icing rubber in the prop blade. That´s good but unfortunately my Europa is so far still missing de-icing systems totally. They would be soon very useful in Finland.
***
No one has so far found a reason for my vibra.
So there are still a possibility to get an Xmas packet from Finland.
I quarantee the shipment will be worth of making a good guess.
***
Tips:
- the reason was off /on or black /white –type and very easy to repair; it was fixed in seconds.
- when finally found it was not invisible at all.
Go On!
Cheers, Raimo OH-XRT
From: Raimo Toivio (raimo.toivio(at)rwm.fi)
Sent: Saturday, October 01, 2011 10:44 PM
To: [url=mailto:europa-list(at)matronics.com]europa-list(at)matronics.com (europa-list(at)matronics.com)[/url]
Subject: Heavy In-flight Vibration Riddle
All
I have hope-so a nice riddle for you.
Maybe all the answers are useful – let´s collect them all:
***
Yesterday I took off from a very remote /small /windy (90 degrees 12 knots and gusting MUCH) grass strip. Soon until well over the ground at altitude +500 feet with full power and 2nd fuel pump still on and gears up I felt suddenly let us say medium or more shake and vibration. My immediate reaction was to go around and land immediately but abandoned because wind was so furious and I felt I cannot do that (a succesful landing).
I decided to try to fly to the next possible sensible airfield EFHV which was 10 minutes apart.
Those minutes were long: I put my prob (Airmaster CS) to manual and drived it from fine to coarse, tried all the power settings and also a 2nd fuel filter. Finally I noticed that when prop was in a climb mode (in my case 5400 rpm /Rotax 912S) and MAP around 20 inches I got quite a comfortable flying mode and I headed straight home. My airspeed was w that selection about 110 knots but because of a strong headwind GS was only about 70 knots (wanted to be clearly over the ground at 3000 ft because it was well over sunset and totally dark, yesterday we got sunset around 1600 Zulutime and time was well over 1630 when flying).
So, I pushed home one looooong hour. All the aerodynamics were well. I was a bit worried my engine will separate or so. When trying to push more pwr it was more vibra and when trying to pull less pwr same. I Followed a main highway and decided to land there if feeling so. Cars there with lights are almost like a lighted runway...
Finally landing to the EFTP flawlesly.
***
Today we had a FHGP (Family Hangar Grill Party). I tried to check my plane as well as I can. I found something. Very small evidence but something anyway. I tried to fix it and had a test run. I elected to go to fly – hey I am a test pilot who else – and She was better than ever!
I managed to do 2 touches and goes when C172 did one with same runway.
140 knots during downwind makes me always happy.
***
So – dear Ladies and Gentlemen – what was wrong?
It would be nice and very life-useful to hear your opinions or guesses what was wrong.
***
The Rules: one single guess per person, please.
The Prize: The Best Guess will get a Very Special Xmas Present from Finland!
***
I will let you know a solution after a week – be patient.
Have a nice weekend and
Cheers, Raimo Toivio
<Europa%20A2A-ala2OK[1].png>
Europa XS Mono OH-XRT #417
Updated flight hours /landings: 258,3
37500 Lempaala
FINLAND
p +358-3-3753 777
f +358-3-3753 100
toivio(at)fly.to (toivio(at)fly.to)
www.rwm.fi
[b]
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ward.t(at)xtra.co.nz
Guest
|
| Posted: Sun Oct 02, 2011 10:42 am Post subject: Heavy In-flight Vibration Riddle |
|
|
Raimo,
The other is carb heat left on for take off?
Cheers,
Toby,
Tim's other son
Tim Ward12 Waiwetu Street
Fendalton,
Christchurch, 8052
New Zealand.
ward.t(at)xtra.co.nz (ward.t(at)xtra.co.nz)
Ph 64 3 3515166
Mob 0210640221
On 3/10/2011, at 4:58 AM, "Raimo Toivio" <raimo.toivio(at)rwm.fi (raimo.toivio(at)rwm.fi)> wrote:
[quote] All
I have got plenty of good guesses via list and also direct.
Some of you have hoped I will not publish them with their names and do not worry I wont´t.
Graham – I /we got an empty message from you – please retype it – I am sure it will be a good info.
One of you have guessed the problem was because a broken de-icing rubber in the prop blade. That´s good but unfortunately my Europa is so far still missing de-icing systems totally. They would be soon very useful in Finland.
***
No one has so far found a reason for my vibra.
So there are still a possibility to get an Xmas packet from Finland.
I quarantee the shipment will be worth of making a good guess.
***
Tips:
- the reason was off /on or black /white –type and very easy to repair; it was fixed in seconds.
- when finally found it was not invisible at all.
Go On!
Cheers, Raimo OH-XRT
From: Raimo Toivio (raimo.toivio(at)rwm.fi)
Sent: Saturday, October 01, 2011 10:44 PM
To: [url=mailto:europa-list(at)matronics.com]europa-list(at)matronics.com (europa-list(at)matronics.com)[/url]
Subject: Heavy In-flight Vibration Riddle
All
I have hope-so a nice riddle for you.
Maybe all the answers are useful – let´s collect them all:
***
Yesterday I took off from a very remote /small /windy (90 degrees 12 knots and gusting MUCH) grass strip. Soon until well over the ground at altitude +500 feet with full power and 2nd fuel pump still on and gears up I felt suddenly let us say medium or more shake and vibration. My immediate reaction was to go around and land immediately but abandoned because wind was so furious and I felt I cannot do that (a succesful landing).
I decided to try to fly to the next possible sensible airfield EFHV which was 10 minutes apart.
Those minutes were long: I put my prob (Airmaster CS) to manual and drived it from fine to coarse, tried all the power settings and also a 2nd fuel filter. Finally I noticed that when prop was in a climb mode (in my case 5400 rpm /Rotax 912S) and MAP around 20 inches I got quite a comfortable flying mode and I headed straight home. My airspeed was w that selection about 110 knots but because of a strong headwind GS was only about 70 knots (wanted to be clearly over the ground at 3000 ft because it was well over sunset and totally dark, yesterday we got sunset around 1600 Zulutime and time was well over 1630 when flying).
So, I pushed home one looooong hour. All the aerodynamics were well. I was a bit worried my engine will separate or so. When trying to push more pwr it was more vibra and when trying to pull less pwr same. I Followed a main highway and decided to land there if feeling so. Cars there with lights are almost like a lighted runway...
Finally landing to the EFTP flawlesly.
***
Today we had a FHGP (Family Hangar Grill Party). I tried to check my plane as well as I can. I found something. Very small evidence but something anyway. I tried to fix it and had a test run. I elected to go to fly – hey I am a test pilot who else – and She was better than ever!
I managed to do 2 touches and goes when C172 did one with same runway.
140 knots during downwind makes me always happy.
***
So – dear Ladies and Gentlemen – what was wrong?
It would be nice and very life-useful to hear your opinions or guesses what was wrong.
***
The Rules: one single guess per person, please.
The Prize: The Best Guess will get a Very Special Xmas Present from Finland!
***
I will let you know a solution after a week – be patient.
Have a nice weekend and
Cheers, Raimo Toivio
<Europa%20A2A-ala2OK[1].png>
Europa XS Mono OH-XRT #417
Updated flight hours /landings: 258,3
37500 Lempaala
FINLAND
p +358-3-3753 777
f +358-3-3753 100
toivio(at)fly.to (toivio(at)fly.to)
www.rwm.fi
[b]
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klinefelter.kevin(at)gmai
Guest
|
| Posted: Sun Oct 02, 2011 11:54 am Post subject: Heavy In-flight Vibration Riddle |
|
|
choke spring
Kevin
On 10/2/11, Tim Ward <ward.t(at)xtra.co.nz> wrote:
| Quote: | Raimo,
The other is carb heat left on for take off?
Cheers,
Toby,
Tim's other son
Tim Ward
12 Waiwetu Street
Fendalton,
Christchurch, 8052
New Zealand.
ward.t(at)xtra.co.nz
Ph 64 3 3515166
Mob 0210640221
On 3/10/2011, at 4:58 AM, "Raimo Toivio" <raimo.toivio(at)rwm.fi> wrote:
> All
>
> I have got plenty of good guesses via list and also direct.
> Some of you have hoped I will not publish them with their names and do not
> worry I wont´t.
>
> Graham – I /we got an empty message from you – please retype it – I am
> sure it will be a good info.
>
> One of you have guessed the problem was because a broken de-icing rubber
> in the prop blade. That´s good but unfortunately my Europa is so far still
> missing de-icing systems totally. They would be soon very useful in
> Finland.
>
> ***
>
> No one has so far found a reason for my vibra.
>
> So there are still a possibility to get an Xmas packet from Finland.
> I quarantee the shipment will be worth of making a good guess.
>
> ***
> Tips:
>
> - the reason was off /on or black /white –type and very easy to repair; it
> was fixed in seconds.
> - when finally found it was not invisible at all.
>
> Go On!
>
> Cheers, Raimo OH-XRT
>
>
> From: Raimo Toivio
> Sent: Saturday, October 01, 2011 10:44 PM
> To: europa-list(at)matronics.com
> Subject: Heavy In-flight Vibration Riddle
>
> All
>
> I have hope-so a nice riddle for you.
>
> Maybe all the answers are useful – let´s collect them all:
>
> ***
>
> Yesterday I took off from a very remote /small /windy (90 degrees 12 knots
> and gusting MUCH) grass strip. Soon until well over the ground at altitude
> +500 feet with full power and 2nd fuel pump still on and gears up I felt
> suddenly let us say medium or more shake and vibration. My immediate
> reaction was to go around and land immediately but abandoned because wind
> was so furious and I felt I cannot do that (a succesful landing).
>
> I decided to try to fly to the next possible sensible airfield EFHV which
> was 10 minutes apart.
>
> Those minutes were long: I put my prob (Airmaster CS) to manual and drived
> it from fine to coarse, tried all the power settings and also a 2nd fuel
> filter. Finally I noticed that when prop was in a climb mode (in my case
> 5400 rpm /Rotax 912S) and MAP around 20 inches I got quite a comfortable
> flying mode and I headed straight home. My airspeed was w that selection
> about 110 knots but because of a strong headwind GS was only about 70
> knots (wanted to be clearly over the ground at 3000 ft because it was well
> over sunset and totally dark, yesterday we got sunset around 1600 Zulutime
> and time was well over 1630 when flying).
>
> So, I pushed home one looooong hour. All the aerodynamics were well. I was
> a bit worried my engine will separate or so. When trying to push more pwr
> it was more vibra and when trying to pull less pwr same. I Followed a main
> highway and decided to land there if feeling so. Cars there with lights
> are almost like a lighted runway...
>
> Finally landing to the EFTP flawlesly.
>
> ***
>
> Today we had a FHGP (Family Hangar Grill Party). I tried to check my plane
> as well as I can. I found something. Very small evidence but something
> anyway. I tried to fix it and had a test run. I elected to go to fly – hey
> I am a test pilot who else – and She was better than ever!
>
> I managed to do 2 touches and goes when C172 did one with same runway.
>
> 140 knots during downwind makes me always happy.
>
> ***
>
> So – dear Ladies and Gentlemen – what was wrong?
>
> It would be nice and very life-useful to hear your opinions or guesses
> what was wrong.
>
> ***
>
> The Rules: one single guess per person, please.
>
> The Prize: The Best Guess will get a Very Special Xmas Present from
> Finland!
>
> ***
>
> I will let you know a solution after a week – be patient.
>
> Have a nice weekend and
>
> Cheers, Raimo Toivio
>
> <Europa%20A2A-ala2OK[1].png>
> Europa XS Mono OH-XRT #417
>
> Updated flight hours /landings: 258,3
>
> 37500 Lempaala
> FINLAND
>
> p +358-3-3753 777
> f +358-3-3753 100
>
> toivio(at)fly.to
> www.rwm.fi
|
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europapa
Joined: 30 Aug 2010
Posts: 63
|
| Posted: Sun Oct 02, 2011 1:41 pm Post subject: Re: Heavy In-flight Vibration Riddle |
|
|
Don t want to thing about x-mes jet but nice game.
A spark plug connector went of?
Happy flying
Juergen
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