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Old 10-13-2008, 04:31 PM   #42
XJet
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Join Date: Feb 2006
Location: New Zealand
Age: 57
Posts: 832
Default Re: Katana v2 70 with YS Engine

You need to put that bird on a diet.

First, get rid of the 180gm of nose-weight -- that's doing nothing but ruining your pull-out.

If you need to -- relocate the engine further forward in the mounts to get the CG forward.

If you can lighten-up the rear-end, do so. Try carbon pushrods instead of the standard wire ones and there *are* lighter servos than the 625s that can also help.

Make sure your receiver battery is as far forward in the wing as you can get.

If you've got marginal pull-out you'll find that making the plane 180gm lighter will make a *huge* difference.
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