Slow Low
Posts: 189
Joined: 4/11/2007
From: St. Thomas,
ON, CANADA
Status: offline
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Thanks for jumping in John  - you make a very valid point about the little details that we often aren't aware of during construction, that in retrospect we often look back and learn from the hard way. Your installation method is sound and all others should read it carefully and burn it to memory. When you see a bellcrank mounted you should see a squarely mounted, pre-installed and tightened spindle, and then you should see a precision bushing assembly slid over it and not "tightened down" by the nut, but as John said "retained" by the nut. Tightened just enough to keep the bushing assembly from moving up and down. That top nut is not a nut so much as it is an adjustable stop. In order to keep it in place I like to use a dab of epoxy on top of the nut and the first few threads. Be careful not to get epoxy on the bushing so as to prevent its free movement. John also mentioned double nutting or "jam" nutting. This would be the preferred method if you have the extra nut. But be sure to use two wrenches. One to hold the first or bottom nut from spinning any further, while you tighten the top nut down against it.
Assuming Andernamen did not fall into this trap, it's also worth noting that in terms of the mechanical systems of your aircraft, this is a highly stressed area where a very slight deviation from the normal mounting plane will cause bending moments in your wing ribs and could lead to a catastrophic failure in flight. Especially, while rolling out at the bottom of a high speed dive. This area needs to be constructed carefully with prudent forethought to function, patience and attention to detail.
Hmmm...I certainly did go on there didn't I? 
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All Forums >> RC Airplanes >> Composites Fabrication And Repair >> All Composite 1/7th P-40E Mould Build 
All Composite 1/7th P-40E Mould Build - 
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RE: All Composite 1/7th P-40E Mould Build - 
I've done it like everyone else before and made set after set of sheeted foam stabilizers, and frankly I hate it! It's too much work, and I'm too lazy! It does take a little thought and consideration as far as mould sections and removing the finished fuselage, but it's worth the work (once). The other thing is that it adds a whole bunch of time to the build, because each section back there is moulded over the previous one. This usually means a week to finish a section and get it back onto the plug, before you can start the next section. So it's about a month of layup, before you can move away from the horizontal and vertical stabilizer sections. I really like the realism of your finish - do you have one painted up yet?
I've lost a friend or two along the way myself.