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#19
November 16th 08, 07:59 PM
posted to rec.aviation.homebuilt
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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? 
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