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Threads in end of wing struts
I'm finding the threaded holes in the ends of the lift struts a bit sticky. One of the rod ends threaded in with my fingers, but the other three would need a wrench and it feels like it might harm the threads on the rod ends. Perhaps the heat of welding caused some deformation. Any thoughts on running a tap in there? Anybody else run into this??
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Senior Member
Re: Threads in end of wing struts
Steve,
Exactly...you have it figured out. Real common to run a tap so that you have clean threads to work with. Other applications where you need to apply a specific torque.......dirty or sticky threads prevent you from getting a correct torque reading. Threads should go fairly easily with fingers only.
You're on the right track.
Sincerely,
Dave S
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Senior Member
Re: Threads in end of wing struts
Details coming tomorrow... It is a specific tap..
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Senior Member
Re: Threads in end of wing struts
Taps have varying degrees of tolerances... While using a standard tap has been done but it is not ideal.. using a minimum of a H3 quality tap for the lift strut rod ends is best..
The H number is the number of half-thousandths the tap is oversize; there needs to be some clearance, or you couldn't screw the bolt in.
It generally depends on the thread size. On the smaller sizes an H2 works fine..
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