[Land-speed] Torque wrench calibration

[Rich Fox]

When I worked for the Airline that was one of my things to do. Going around
and calibrating torque wrenchs. Anything over 150 pounds I took to a hydralic
torque tester. Up to 150 there were torque testers spotted around the shops.
To bad I don't go to work any more. Maybe there are a few around your local
A&P service at the airport.

--- On Mon, 4/19/10, Benn <benn at sonic.net> wrote:


From: Benn <benn at sonic.net>
Subject: [Land-speed] Torque wrench calibration
To: land-speed at autox.team.net
Date: Monday, April 19, 2010, 9:29 AM


So I just bought a hefty 600 ft-# 3/4" army surplus torque wrench to assist
my
declining physique in removing tight bolts as well as for a couple of >150
ft-# torques I encounter from time to time.  Anyway, it says it was last
calibrated a coupla years ago.  I checked it against my 37-year-old Craftsman
1/2" click-type torque wrench, and it appeared that the 1/2" wrench applied
25% more torque than indicated!   Checking it against a beam-type wrench
confirmed the 25% figure.

So anyone know of a place in the SF East Bay that does re-calibration?   San
Jose has a coupla places but that means a half-day trip to get it done, or
packing and mailing.
Benn
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