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Old Apr 19, 2015, 02:29 PM
Ebola Monkey is offline
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United States, IL, Homer Glen
Joined Mar 2015
31 Posts
ZMR250 Indoor hull project, problem

I'm building an indoor hull for my ZMR250.

It's 2 pieces, bottom with the prop openings, and top to attach to the quad, and stiffen it.

I flew without the top piece, bottom piece just pressure fit on with no problems.

When I finished the top, and glued them together I thought I was good to go. The problem now is that it spins counter clockwise, starting before it's even off the ground. I popped it up, and even with full right rudder it spins.

I checked the hull for prop damage, and there isn't any. So I know none of them were rubbing.

The gaps between the props and hull are about 3-6mm. I'm sure equal gaps would be ideal, but could this make it spin? The gaps should be the same as they were without the top.

Any ideas?
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Last edited by Ebola Monkey; Apr 19, 2015 at 02:31 PM. Reason: auto-incorrect
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