V-G Diagram

conner

New Member
Why is the V-G diagram based on indicated airspeed? Does anybody's plane have a V-G diagram? If so, is it specific to a given weight and altitude?

Thanks
 
Ok. Couldn't I be flying at the same IAS but a higher TAS and therefore have greater lift capability?
 
Ok. Couldn't I be flying at the same IAS but a higher TAS and therefore have greater lift capability?

Nope. Because the indicated airspeed for the stall remains (more or less) the same. If the airplane has a high enough TAS, you may even get a reduction in lift capability due to mach effects, but that's not really an issue on most piston airplanes.
 
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