Paul,  contact Don Crawford at "crawfordaviation@earthlink.net"  and ask
him to give you some charts.  he wrote that great book "A Practical
Guide to Airplane Performance and Design" with the nomograms to make
performance easily understandable.  He has a lot of prop theory in his
head and he should put it on paper so we can all benefit.

He is retired from TRW and now just flies around the world with his wife
Sharon now retired from UAL.  he needs a project.  Don has insights
about fluid mechanics as Vance Jaqua has insights about combustion
engines.

Bob Y

I have several revision copies of his books. I have mentioned him
on here many times. This is my favorite chart that says is all about
aircraft performance. He lives near Torrance and I have spoken
with him several times.

Paul Lamar ...No rotor no motor.

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