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Old Feb 27, 2013, 04:54 PM
nomadic80 is offline
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Joined Dec 2010
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Question about CG

I've just finished this 40 inch ws pusher trainer. The wing chord is 5 inches yet when I go to adamonerc to use the cg calculator it gives me a final cg of a little over 2 inches.I know the general rule of thumb is about 25%-30% of wing root chord.Is it just me or does the 2 inch cg calculator total seem too far back? I'm pretty certain that I put in the numbers correctly and decided on 10% static margin.Any input, thoughts,or suggestions would be greatly appreciated If anyone has any similar build experiences I would also be interested in that too.
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Old Feb 27, 2013, 05:43 PM
hoppy is offline
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Joined Oct 2000
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Use another CG calculator and see if it agrees.

Here's one from NASA.

I liked this one because it does all kinds of planes.
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