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BlueMax wrote:
> Ill keep this short... While yesterday, I began to notice a thumping. > Only a feeling- I didnt really notice a sound. It felt like something > might have come loose, and was banging somewhere on the airplane. I can > see most everything except under the seat tank- and could find nothing. > The thumping was almost like an ignition "miss", but I never HEARD a > miss. I tried different throttle positions. Full throttle, the > thumping seemed to go away. Reduced throttle, say 5000 rpm, it > increased slightly. I would feel the thump about every 5 seconds or so. > > The temp. was 38 deg F, dew point about 35, overcast (misty) about 100 > ft. above me. I was at 1800 msl, and had flown for about 1 hr, 20 min. > when I began to feel it. I dont know the humidity, but it was misty. > > When I landed, I immediately taxied to my hangar, and removed the air > filter. No formation of ice at all, but I did notice a little water > droplets that fell out of the air cleaner when I turned it upside down. > > I restarted the engine, and could not duplicate the miss, or thump, at > any rpm. Also, I checked avery structural component on the aircraft- > and found nothing loose. > > Anyone have a clue? > > BlueMax Have you seen the Twilight episode where the guy sees a little beast pulling at the engine cover. IT COULD HAPPEN ;-) -- Surfing the Web from Hopkinsville, KY Visit my web site at: http://www.geocities.com/hester-hoptown/ And see my Rans S12xl experimental aircraft Updated 9/22/00 - New Look! |
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