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#14
October 25th 15, 02:34 PM
posted to rec.aviation.soaring
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Weight & Bal Calc ASK-21
If you do your own calculations, please be aware of a very common error. Some manuals use a formula for C/G which uses the distance between the main wheel and the tail wheel. Others use a formula that use the distant to the tail wheel from the datum. Either one will work, but if you use the wrong distance to the tail wheel it creates a 3-5% error in the final C/G. It usually goes unnoticed as it is small, but I have seen this even from official W&B sheets.
Matt H 
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