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16.5 to be exact
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If I would have started my opening 1/8" closer to the trailing edge I would have missed the dowell block completely. If you keep below 73.75 from the TE you will miss it. Stay above 26.5 and you will miss the lower spar.
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How much skin strength do you think is compromised by cutting that chunk out of the surface, looks to be rohacell? A laminate servo cover frame would ad strength back. I usually tape off the surface then layout the opening , score it with a blade a few times until it slices through, it looks like a mouse got a hold of them edges man!
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I'd rather make a cutout in the root rib and mount the servo through it, then you'd only need a small slot for the servo arm to poke through the surface.
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You know you're right, that or possibly better, the same thing but directly through the fuse root contact, looks like there is enough room down under and next to the efflux pipe area within the elevator fairing, then your surface slots just slip over the exposed horn during installation.
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If my 84 RX7 sells today
 I'm in
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Good for you dude! Now bring it to the Bluegrass EDF jet jam in september now that it is closer to you
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Quote:
 . Thanks for the tip, I wasn't sure about the properties of the material when I started cutting, I figured I'd do a little refinishing, I like your way much better. For strength I plan to bond a thin square piece of CF under the servo mounting posts and frame the opening so the doctored piece I removed will be screwed back in place. The strength will be more then adequate.
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Last edited by MCSGUY; Jan 26, 2013 at 02:38 PM.
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That would be the ideal solution IMO. Pretty tight working conditions, not sure if I would attempt it unless I saw an example first.
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I see one of these in my future. However distant that may be since I'm still building my Sniper XL.......(Wish I weren't)
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So Bob, I take it you will be getting a Bluegrass band to play at the pilot's Dinner??
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