Torque Wrenches - my answer... (holy smokes!)

SJ syljay at optonline.net
Wed Dec 3 16:35:53 EST 2003


> From: "KUNZ,BOB (HP-Boise,ex1)" <bob.kunz at hp.com>
> Subject: RE: Torque Wrenches - my answer... (holy smokes!)
> To: 'rob hod' <rob3 at hod3.fsnet.co.uk>, quattro at audifans.com

> I did this experiment again last night and even confirmed the cosine/sine
> reduction when not in-line. Here's what I did. I could take pics but that
> will just show you how I set things up. You'll have to trust me for the
> actual values.
>
> I happen to have a long open end wrench with 1/2 and 7/16 ends. A 7/16
open
> end wrench fits nicely on a 3/8 square drive. The torque wrench I used is
a
> dial type and the bolt is a standard 1/2 inch head (I think that makes it
a
> 5/16" bolt). The wrench (extension) is longer than the torque wrench
> amplifying the equation for this demonstration. I got exactly the
predicted
> torque multiplication.
***** I always did like laboratory experiments. Even those when I
electrocuted myself.
OK, now we know that the formula is ok to use.
So what is the torque at the bolt supposed to be?

SJ
85 Dodge PU, D-250, 318, auto
85 Audi 4k - - sold but still on the road
88 Audi 5kq
90 Audi 100q





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