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Old Feb 23, 2011, 01:22 PM
rgoble is offline
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Dayton Montgomery, Ohio, United States
Joined Sep 2004
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Jack,

Thanks for the feed back letting me know if those graphs would be useful to you. I'm working on a way to include them on the site now.

I'm not expert either but as for the differences between the two graphs I would say its a combination of several factors. Having more sample points should allow for a better estimation, and it lets you more easily see how close that is to the test results.

The reason for the bigger deviation for the GWS Prop could be cause by any number of factors. For example it could be a result of differences in manufacturing. If all of the test with the APC props could were done using the same 1-2 props you would expect a tighter grouping of the numbers. Where as the GWS prop tests could of been done using a different prop for each test.

Robert
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