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bought a 4*60--no manual--anyone know the CG?

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Old 07-16-2004 | 08:15 PM
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Default bought a 4*60--no manual--anyone know the CG?

Hi Guys, I need to balance this thing, although I think it is close. Anyone know the CG? I would have used the rule of 1/3 to 1/2 from the leading edge, but the wings seem to "big" to me, I don't know if this rule would apply. (mods, feel free to move this thread; but I am a beginner [sm=cool.gif])
Old 07-16-2004 | 08:25 PM
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Default RE: bought a 4*60--no manual--anyone know the CG?

The Tower Hobbies web site says the cg for the ARF version is 3 5/8 inches back from the leading edge. I'm guessing the cg would be the same regardless of which version(kit/ARF) you have. I don't have a 4*60, but do have a 4*40 and the cg comes out to be more or less on the spar... just remember to balance it upside down!
Old 07-16-2004 | 08:26 PM
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Default RE: bought a 4*60--no manual--anyone know the CG?

The range is 3 1/4" tp 3 3/4" back from the leading edge. Basically that is right on the spar.

Good luck, its a great plane.

Skyguy
Old 07-17-2004 | 05:18 AM
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Default RE: bought a 4*60--no manual--anyone know the CG?

thanks guys, and I DID forget to balance it upside down already!
Old 07-17-2004 | 07:35 AM
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Default RE: bought a 4*60--no manual--anyone know the CG?

Paul,
For future reference, the general rule of thumb for CG range is 25% to 30% back from the leading edge (where the wing meets the fuse). NOT 1/3rd to 1/2! [X(]
Dennis-
Old 07-17-2004 | 04:52 PM
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Default RE: bought a 4*60--no manual--anyone know the CG?

ORIGINAL: DBCherry

Paul,
For future reference, the general rule of thumb for CG range is 25% to 30% back from the leading edge (where the wing meets the fuse). NOT 1/3rd to 1/2! [X(]
Dennis-

I knew that! [sm=biggrin.gif]

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