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Torque question (yes, I should probably know the answer to this)

Desert Rat

Well Known Member
On the flap actuator torque tube that goes behind the seats, what torque are you guys using on the AN3 bolt/fiberlock nut combo that holds the Delrin blocks to the F-705 bulkhead assembly?

I really don't know enough about delrin to know if the standard 25-ish inch/lbs for a -3 bolt might deform it enough to cause stuff to start to bind up, or maybe sink a hole into it.
 
The blocks are cut to allow for movement. Torque to the typical spec + run-on torque.
 
Not in the plans, but a neat trick -- On the center block, F-680, install a couple of AN960-10 washers in between each half of the block. This will allow you to tighten the bolts (AN3-22A) to the correct torque (25In/lbs) but not bind the toque tube.
 
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