Quote:
Originally Posted by ihbuilder
travis , I have to correct you on 1 small thing . the thread does carry the load and the greatest of the load in the down position . your force is transfered from the motor through the thread to the carrier to the push rod to the box . now for our purpose a 10/32 treaded rod is plenty but you start increasing power and weight your gona brake something . most likely the thin threaded rod could start to bend or the body will push out at the rear hinge or in the front where your rod is connected . now like I said for what we do all the screw drive I've seen are sufficient , even over kill
IHSteve
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Exactly Steve the block holds the weight and the rod provides the push.