Grand Esprit CG question - RCCanada - Canada Radio Controlled Hobby Forum
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Old 12-09-2010, 06:38 PM   #1
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Grand Esprit CG question

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I'm returning to the hobby after a 30+ year break and one of the planes I built (but never got around to flying) was a Grand Esprit. I've bought new electronics for it which need installing but I have no idea where the CG should be. Anyone out there still flying one that has the answer?

Thanks, Larry
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Old 12-09-2010, 08:39 PM   #2
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Re: Grand Esprit CG question

Well Lary, Google is a wonderful thing, this is what I found, since I do not have that one.
Quote from the net:
According to the original plans of the Grand Esprit that I am holding, the CG is 15.3 inches or 389.62 mm, (being the bi dimensional person I am), back of the nose, parallel to the wing bottom surface at the bottom of the fuse. Project that point perpendicular to the bottom of the wing and the balance point is 3.00 inches, 76.0 mm, back from the LE.

Hope that helps
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Old 12-09-2010, 08:49 PM   #3
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Re: Grand Esprit CG question

Thank you very much. Mine is scratch built using the kit plans that my instructor lent me while he built the kit. I DO intend to finally fly it this summer, and with today's gear it will be much lighter than it was when filled with my obsolete Heathkit set up.
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