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@rwm.fi> wrote:
> All
>
> I have hope-so a nice riddle for you.
>
> Maybe all the answers are useful ' let=B4s 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 u
p 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 drive
d
> 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 kno
ts
> (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 wa
s
> 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 a
re
> 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 plan
e
> 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 wh
at
> 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@fly.to
> www.rwm.fi****
>
>
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