73 DE JIM K4PYT
David J. Windisch wrote:
> DON'T READ THIS AND ATTEMPT TO EXPERIMENT UNLESS YOU ARE A BIG BOY WHO CAN
> THINK FOR HIMSELF AND KNOW WTF YOU ARE DOING AROUND TOWERS, GUYS, ANCHORS,
> CRANES, CABLES, ANTENNAS, SPRINGS, WEIGHTS, AND SO FORTH. AROUND STUFF
> LIKE THIS, WIN-DEADHEAT-PLACE-SHOW TRANSLATES TO WIN-LOSE-LOSE-LOSE, LIKE
> RACING A LOCOMOTIVE TO A GRADE-CROSSING. IF THIS OFFENDS YOU, YOU NEEDED
> TO BE OFFENDED.
> At the shop, we have 30ft ceilings, cranes, cables, weights, scales, etc.,
> with which I can play after hours.
> There is a definite repeatable correlation between cable tension due to
> vertical deadweight and torque-wrench readings (on several different
> wrenches with differing ranges), using a simple fixture with cable contact
> points (grade-8 bolts) a foot apart, and a hole for the wrench tongue midway
> between the contact points.
> The method 'worked' with cable sizes fron 1/16in to 1/2in., and even on a
> couple sizes of nylon rope with pipe slid on them for stiffness at contact
> Time for peer review. Since I'm not an ME, there is a virtual certainty
> that I've overlooked *something* in this uncharted territory. I'm not
> disclosing much detail cuz .. well, you can probably think why, under rules
> of sinustific experimentation.
> *Save the flames, pls*. See the disclaimer above.
> 73, Dave, K3BHJ