RCU Forums - Sig Something Extra CG

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rrandletn

11-07-2005 09:41 PM

Sig Something Extra CG

I've finished rebuilding a Sig Something Extra that another flyer managed to hit a tree with. I want to make sure I have the correct CD calculated. Does anyone know what the CD of a Something Extra is?

OverTheEdge

11-07-2005 10:01 PM

RE: Sig Something Extra CG

Looking back in my stack of plans the CG falls exactly in the center of the 1/4" wing spar or 3 1/2" back from the leading edge. However... I can tell you from my experience and that of some of my flying buddies... you can shift the CG forward and aft quite a bit (depending on skill level) and the SE will tolerate it pretty well.

rrandletn

11-08-2005 07:40 AM

RE: Sig Something Extra CG

Thanks, I'll see what I come up with.

SLOWFLY58

11-10-2005 07:58 AM

RE: Sig Something Extra CG

I added added 2 ounces to the nose and CG came out 1/4" behind the spar, flies great with a TT .46 Pro !!!!

Dale

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