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  #1  
Old 08-03-2015, 04:45 PM
SgtZim SgtZim is offline
 
Join Date: May 2015
Location: Crittenden, ky
Posts: 194
Default Tip: torque tool for control surface jam nuts

This may be a solution without a real problem, but I'm waiting for the next kit and had an idea for accurately getting the jam nuts torqued.

https://scontent-iad3-1.xx.fbcdn.net...51&oe=56514F03

https://scontent-iad3-1.xx.fbcdn.net...f2&oe=565973A4

I started with a 9/16 in combination wrench from Harbor Freight of course, heated up the box end and bent it over to about 110 degrees. Then I heated up the open end and straightened it so the jaws are aligned with the handle.

Then I welded on an extra 1/4 in socket I didn't need, roughly lining up the center of the driving socket with the box end of the wrench.

https://scontent-iad3-1.xx.fbcdn.net...01244133_o.jpg

I cut open the box end so it will slide over the shank of the rod end bearing. I also ground down the perimeter of the box end a bit so it would fit on the jam nut without interference from the neighboring rivets.

https://scontent-iad3-1.xx.fbcdn.net...31&oe=565B80F6

Now I can easily adjust the torque on the jam nuts without any higher math - adding any leverage distance from using a standard crow foot wrench. The box end also is a lot more user friendly than a crow foot that you would do a lot of fiddling with getting the correct angle and repositioning to stay on the nut.

https://scontent-iad3-1.xx.fbcdn.net...06759170_o.jpg

Last edited by SgtZim : 08-03-2015 at 04:49 PM.
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Old 08-04-2015, 02:42 PM
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vfrazier vfrazier is offline
 
Join Date: Jan 2007
Location: Mount Vernon, IN
Posts: 1,270
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Go into production and send me one immediately!
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