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Old Jan 25, 2011, 12:34 PM
Registered User
Joined Dec 2010
59 Posts
Help!
will anyone please help me wing drag. sportster

I'm new at elec. flying.I have a wing dragon sportster V2 and a split open left elevator hing and a CG question.Can I use the dubro small pin hing on a 1/8 inch thick elevator then use the hinge tape andCan anyone tell me PLEASE where the CG is?.I think it is just shy of the 3" mark with another 3 1/4 oz of weight to get it balanced.Please help me.Thank you
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Old Jan 26, 2011, 06:31 AM
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kerwin50's Avatar
winston mo
Joined Oct 2006
7,533 Posts
I don't have that plane but I'd just use hinge tape. weight is not your friend.
have you tried an internet search for the CG.
if the wing is of the hersey bar type then just use the 25 to 30 percent of the cord.
For instance if I have a wing that is 10 inches wide then I'd balance her at 2.5 inches from the leading edge.
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Old Jan 26, 2011, 08:18 AM
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Central Kentucky
Joined Oct 2006
3,538 Posts
I just checked a WD4 wing and I have the CG marked at 2 3/4" from the wing leading edge.

Here is a big thread on the WD:

http://www.rcgroups.com/forums/showthread.php?t=721845
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