Torque wrench

[Carl Meyer]

And if you absolutely must go to 500 inch pounds, you could just use a 20
inch tuning lever.  Math does the job.

Carl Meyer



----- Original Message -----
From: <BobDavis88@AOL.COM>
To: <pianotech@ptg.org>
Sent: Wednesday, April 11, 2001 8:25 AM
Subject: Re: Torque wrench


> > >I've been looking for a small inch pound torque wrench for measuring
pin
> >  >tension.
>
> I don't remember who first suggested this, but I've been using it for
> decades:
>
> For a cheap solution, you can use a spring-loaded scale meant to weigh
fish.
> Attach a loop to the hook, and loop it around your tuning lever at 10".
Pull
> slowly in the pitch-lowering direction, with the scale at a right angle to
> the lever, until the static friction breaks; then read the pounds while
the
> pin is moving. Multiply by ten to get the reading in inch-pounds. It's
> accurate enough to tell you what you need to know, and for demonstrations.
A
> 0-25 pound scale will cover the 0-250 inch-pound range. If that doesn't do
> it, you're in trouble anyway.
>
> Bob Davis