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Old Jun 30, 2014, 02:36 PM
Registered User
United States, CA, San Rafael
Joined May 2011
19 Posts
Paul- I did not know that(about foam safe ca).
That may explain why,on my first flight last year, the fin came off.
(I have fixed the aileron warp, and put a light FG reinforcement on the fin). Ron
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Old Jul 01, 2014, 08:05 AM
Registered User
United States, NC, Raleigh
Joined Jun 2011
155 Posts
I'm sure this has been discussed so please forgive the noob question, but where is the cg on this plane? Mine is about 7 and 1/8 inches from the leading edge. It seems a bit tail heavy to me. Some times its tough to maintain smooth circling turns because the nose tends to pitch up in the wind. I fell out of a couple light thermals the other day because I couldn't prevent the plane from porpusing. Of course my skill needs to improve but cg might help a lot as well. Any suggestions?
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Old Jul 01, 2014, 09:13 AM
Mike M.
like.2.fly's Avatar
United States, UT, Eden
Joined Jan 2010
4,956 Posts
Umm, that must be a typo. 7-1/8 inches behind LE would not even be on the wing. Yes, just a bit tail heavy! I prefer my Polaris CG at 68mm behind the leading edge (2.67 inches).
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Old Jul 01, 2014, 09:34 AM
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United States, NC, Raleigh
Joined Jun 2011
155 Posts
Quote:
Originally Posted by like.2.fly View Post
Umm, that must be a typo. 7-1/8 inches behind LE would not even be on the wing. Yes, just a bit tail heavy! I prefer my Polaris CG at 68mm behind the leading edge (2.67 inches).
OOPS! That was a typo, or rather I was reading my balancer in inches when it's in centimeters!

My CG is about 71 - 72 mm from leading edge. I think moving it forward to 68 may help. Thanks for sharing the info.
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Old Jul 01, 2014, 03:14 PM
Throw it like you hate it
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United States, CA, Castro Valley
Joined Apr 2007
3,060 Posts
I agree with Mike. I balance all my Polaris at 67-68mm. The suggested range is 65-69mm.
Cheers
Paul
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