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Opterra Balance Stand
by HughN
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A couple of quick designs to help me set the CG on my Opterra.
One allows the Opterra to balance on the CG marks (just); the second sits under the nose and is slightly shorter than the other. The item under the nose is sized so that a small scale can be fitted. The pictures show these in use (wings removed for clarity).
It is impossible to get the aircraft to balance on the CG marks directly but by moving things around so the load on the nose is as small as possible it will be pretty close (I'm sure it would handle a wide range of CG positions in any case).
The balance has some holes in the corners to allow it to be screwed to a bench, etc.,
One allows the Opterra to balance on the CG marks (just); the second sits under the nose and is slightly shorter than the other. The item under the nose is sized so that a small scale can be fitted. The pictures show these in use (wings removed for clarity).
It is impossible to get the aircraft to balance on the CG marks directly but by moving things around so the load on the nose is as small as possible it will be pretty close (I'm sure it would handle a wide range of CG positions in any case).
The balance has some holes in the corners to allow it to be screwed to a bench, etc.,
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