Quote:
Originally Posted by Crumpp
How do you figure?
|
http://digital.library.unt.edu/ark:/...dc62616/m1/19/
3-blade Hamilton standard 6507A-2 on P47D, efficiency varies from 83%-63% when TAS is between 0.25-0.7 Mach.
Diagram 1, Cp/blade=0.9, should be at high altitude.
Diagram 2, Cp/blade=0.8, should be at medium altitude.
Diagram 3, Cp/blade=0.6, should be at low altitude.