RCU Forums - center of gravity

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kantorg

02-25-2004 04:42 PM

center of gravity

Hi!

I make a delta like the Ripmax's Rapier!

I dont know the center of gravity.[&:][&o]
Wingspan: 90cm
Length:75 cm
engine: 6,5 ccm (.40)

Thank you![8D]

kantorg

volkan

02-25-2004 04:59 PM

RE: center of gravity

well from my knowege, the CofG should be 1/3 of the wing chord
what is the wing chord??

Montague

02-25-2004 05:19 PM

RE: center of gravity

Flying wings and true deltas need the CG much farther forward than a "conventional" plane that has a horizontal stab. 33% would be way too far back, 15% would be closer

DBCherry

02-25-2004 11:01 PM

RE: center of gravity

Yes, closer to 15% on a flying wing.
Dennis-

Geistware

02-26-2004 05:49 AM

RE: center of gravity

Try this calculator to calculate the CG

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

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