i've definitely noticed increased gas mileage at altitude. maybe because wind resistance is less. Rian mullins John Rodgers wrote: > Ken, that would be correct. > > At altitude that air density becomes less and less in relation to the amount of > fuel going through the engine, so fuel air mixture goes to the rich side, you > get incomplete combustion and a loss of power is the consequence. There may be > some automatic mixture adjustment built into the F/I but it is probably small > and the limits are reached very quickly if its there at all. > > As you may well know, fuel injectiojn systems and some of the big carburetors > on piston type Aircraft powerplants have auto-mixture controls, and smaller > aircraft have manual mixture controls that can be operated from the cockpit. > Never saw an automotive vehicle so equipped. > > John Rodgers |
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