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Re: Europa-List: Heavy In-flight Vibration Riddle

Subject: Re: Europa-List: Heavy In-flight Vibration Riddle
From: Kevin Klinefelter <klinefelter.kevin@gmail.com>
Date: Sun, 2 Oct 2011 12:51:00

choke spring
Kevin

On 10/2/11, Tim Ward <ward.t@xtra.co.nz> wrote:
> 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@xtra.co.nz
>
> Ph 64 3 3515166
> Mob 0210640221
>
>
> On 3/10/2011, at 4:58 AM, "Raimo Toivio" <raimo.toivio@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 wontt.
>>
>> 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. Thats 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@matronics.com
>> Subject: Europa-List: Heavy In-flight Vibration Riddle
>>
>> All
>>
>> I have hope-so a nice riddle for you.
>>
>> Maybe all the answers are useful  lets 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@fly.to
>> www.rwm.fi
>>
>>
>



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