The Torque Wrench History

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Model T Ford Forum: Forum 2009: The Torque Wrench History
Top of pagePrevious messageNext messageBottom of page Link to this message  By James A. Golden on Thursday, April 09, 2009 - 07:50 am:

Is there any information available on when the torque wrench was first invented or used in automobile production facilities?

The only patent I found was for a 1939 torque wrench with a dial indicator added.

There don't appear to be any torque specifications in any of the Model T Service Manuals or else I have missed finding them.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Jack Putnam on Thursday, April 09, 2009 - 08:29 am:

You are correct, there are none. They wern't needed back in the day. You just tightened it!


Top of pagePrevious messageNext messageBottom of page Link to this message  By Ricks - Surf City on Thursday, April 09, 2009 - 08:46 am:

Wenches have been, and are, ergonomic. Their length vs bolt size is made to give correct torque from the same effort. Larger size is longer, corresponding to standard torque.

If you're doing it every day, you would be surprised how you can feel the correct torque, and even bolt stretch. Of course, it doesn't hurt to calibrate your arm with a torque wench once in awhile...

rdr


Top of pagePrevious messageNext messageBottom of page Link to this message  By Kenneth W DeLong on Thursday, April 09, 2009 - 08:49 am:

James,I would guess they were used in the early automation of model T days.When one thinks how much dammage or repairs could be caused i'll bet it was used early! Bud.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Jeff Humble on Thursday, April 09, 2009 - 08:57 am:

Jim,
Here is a great site for old tool information:
http://www.alloy-artifacts.com/index.html


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