Mailing List flyrotary@lancaironline.net Message #7476
From: <echristley@nc.rr.com>
Subject: Re: [FlyRotary] Re: Performance Props
Date: Thu, 22 Apr 2004 08:58:33 -0400
To: Rotary motors in aircraft <flyrotary@lancaironline.net>


Ernest:

I would recommend you purchase that book. They are
not really my
algorithms and I don't want to be accused of copyright
infringement. The
reason it can't easily be put in a spreadsheet is it is
really numerical
calculus and the program runs multiple loops (finite steps
whereas in calculus
the step size is taken to the limit of zero) to develop the
performance of a
complete blade.

Perry



Hmmm... A search on Amazon says that its not
available.  There's an author that has put a chapter
of his book dealing with duct design online.  I
believe that is Martin Hollman, but I'm at work now
and don't have access to my bookmarks.  Do you have
a pointer to where it can be purchased?



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