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Old 31st Jan 2014, 20:49
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djpil
 
Join Date: May 2002
Location: Melbourne, Australia
Posts: 1,166
Received 16 Likes on 12 Posts
If you'd like some data (for a C172) and graphs to go along with recent posts this is an excellent reference online: Propeller Aircraft Performance and The Bootstrap Approach: Performance Basics

At one, no several, stages of my life I had Hartzell's prop software coupled with engine dyno (and other) data to aid me in flight performance analysis.

At another stage in my life I trained some Oxford instructors and some would ask why their C172 POH speeds did not match theory. Apart from answering their queries I also stated that they need to teach their students stuff consistent with the exam questions and "correct" answers that they will encounter.
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