Posted by Owen Aaland on December 18, 2012 at 21:07:53 from (216.47.33.199):
In Reply to: Torque wrench posted by Dave Sherburne NY on December 18, 2012 at 20:54:08:
Quoting Removed, click Modern View to see
You need to measure the distance from the center of the square drive on the end of the wrench to the center of the handle where you are applying the torque and figure the ratio to the length of the extension. For example if the wrench measures 10 inches the ratio is 1/10. In that case you would reduce the torque measured on the wrench by one tenth.
It is much easier to just attach the crow foot extension at a 90° angle to the wrench and then use the listed torque. With a 1 inch extension at a 90° angle to the wrench the difference in length between the center of the handle and the center of the crow foot compared to the actual effective length of the wrench is very small.
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