Paul,

I wrote a spreadsheet program in Excel that calculates the maximum propeller
diameter after you enter the desired propeller tip speed [ as a mach fraction],
airspeed [in mph], and rpm.  It then gives the prop diameter in inches.  I thought
people might find this useful.  It is attached.  Enjoy.

Gene Kahn

Thanks Gene, I'll take a look when I get back. Currently out of town.

Paul Lamar

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