RCU Forums - P-51

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rpaulflyer

08-10-2010 07:50 PM

P-51

Hey out there, I need some help. I bgt. an older P-51 from a buddy wing is 48" and fuse is about 38" and he doesn't know the cg. Does anyone have any ideas where I might check the CG prior to getting her airborne. This plane I'd say is about 20 years old. I'd appreciate any help and info. Thanks.
Rick.

ggraham500

08-10-2010 08:21 PM

RE: P-51

You could always use 25-30% of the MAC (Mean Aerodynamic Chord).

http://en.wikipedia.org/wiki/Chord_%28aircraft%29

Lnewqban

08-10-2010 09:55 PM

RE: P-51

Try this calculator:

http://www.geistware.com/rcmodeling/cg_super_calc.htm

http://www.rcuniverse.com/forum/fb.asp?m=9870385

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