by0ung(at)brigham.net Guest
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Posted: Tue Nov 06, 2007 7:03 am Post subject: W&B cg |
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Quote: | >>>>>>>>>>>>>>>
One option is to use the exact position of the pilot CG for the calcs.
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The easiest way is to do a weight with the pilot sitting in the plane.
Assuming you have already done the EMPTY weighing and calculated the CG
you can work the whole "weight x arm = moment" thing in reverse, since
you have the empty CG and then you get the CG with the pilot in the
plane (from weighing) that can be extrapolated out since you know the
change in CG position and the weight of the pilot...just solve for the
ARM.
I hope that is clear as mud...would have to dig up an example to explain
further...
Jeremy
Quote: | >>>>>>>>>>>>>>>>>>>>>
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I have built a spreadsheet to do this if anyone would like.
Boyd
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