At 07:16 PM 3/21/2010, you wrote: >A big factor was the difficulty with maintaining correct mixture in cruise >because fuel flow is related to the "head" of fuel in the tank. "Head" being >the vertical distance from the surface of the liquid to the carburettor. As >the level in the tank dropped, flow reduced. The result was mixture was >hardly ever correct. ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Can you believe the Wright brothers flew with a "drip" carb setup? Doesn't sound like the Posa made much progress in 50 or 60 years. :-) Larry Flesner