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What say you all about this claim? "Maximum fuel economy is realized when the engine is operating in Stage 1 at low boost levels. The theory behind turbo charging for economy was that by keeping the intake manifold pressure as close to 0 psi as possible (no vacuum), volumetric efficiency...

I have seen in most publications that IGC is inherent in some forms of aluminium and replacement of the part is recommended. I'm asking the best way to clean the surface and retreat to prevent further corrosion until I'm prepared for replacement. Any ideas?

I have run across an O200a engine that I believe has been incorrectly assembled. Runs good, but number three(3) on compression when the timing marks are at 24 degrees and points open (propeller shaft marks and top of the crankcase seam). I believe that someone has mistimed the marks on the...

What is the effect on a third class medical?

For a few hours this week several rather ordinary pilots were Aviation Gods. I arranged a field trip for my Grand daughters 3rd grade class to the airport. Seven other friends of mine produced aircraft for them to see, sit in and ask questions about. There were no questions asked that these...

Around 1966 or 1967 the flap switch was changed. I have a G model where the flap switch is placed in the down position (switch must be returned to neutral) or the flaps extend fully. You must hold the flap switch in up positon to get the flaps up (it is spring loaded to neutral from the up...

I found an aircraft that has a restricted airworthiness certificate onboard but is listed in the FAA database as standard-restricted. Is a log book entry by a mechanic sufficient to return this aircraft to the standard classification? How does one get an airworthiness certificate onboard with...

Cat found in my airplane near 2M2. female light tan /black and grey no collar,NOT VERY FRIENDLY, I think she may be scared. Doesn't appear to be house broken. If its yours, please make arrangements to come get it! I've run out of band aids and mercurochrome. The keys are under the left wheel...