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Old November 16th 08, 07:59 PM posted to rec.aviation.homebuilt
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Default effect of changed thrust line.

On Sun, 16 Nov 2008 00:58:06 -0800, John Kimmel
wrote:

wrote:

Spreadsheet is not quite right.Prop center is BELOW the CG by about 13
inches.
One inch change in prop height according to your spreadsheat makes a
change of 2.14 degrees.
I cannot buy that. Particularly since it would go from 1.5 down to .64
up.

Here is REV A, with a couple math errors fixed:
http://www.spiretech.com/~guynoir/sl...thrustreva.xls



That looks a lot closer.

What is it based on?