"Leo Lichtman" wrote in message
...

Ed Huntress wrote: 3/4" iron pipe threads produce 32,450 ksi inverted
shear
strength. That is, assuming you've torqued the joint to a value between
86.5
and 86.6 ft-lb, backed off a half-turn, and re-tightened by 11/16 of a
turn.
^^^^^^^^^^^^^^^
Ed, I looked in the index of Machinery's Handbook, and couldn't find this.
So I turned all the pages, and STILL couldn't find it. I KNOW this will
come up again, so I'd love to know to look for it. Please hurry. I'm
holding my breath.

It's written in secret code, right after the index.

Ed Huntress