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fastener question

JimW

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I was temporarily assembling our elevator linkage last night and realized there isn't room for a conventional AN drilled bolt inside the torque tube where the stick sockets attach to the pushrod. I am wondering which is the best fastener to use- a clevis bolt, a clevis pin or a close tolerance bolt? I would think the clevis pin would be the least reliable since only the cotter pin would have to fail from wear before you had a serious problem. A close tolerance bolt looks like it might just fit with a castle nut and cotter pin. The clevis bolt with castle nut looks like it would take up the least amount of room. Any thoughts?
 

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