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#936182 - 07/07/15 08:40 PM Torque Wrench Extensions/Recalculations  
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EffBee Offline
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Here is a good link to a web page that shows you how to calculate the torque being applied to a nut/bolt, when you can't get a traditional socket over the nut/bolt, and have to use a different wrench as an extension of the torque wrench.


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#974948 - 11/15/16 04:07 AM Re: Torque Wrench Extensions/Recalculations [Re: EffBee]  
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Link no longer works.


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#974974 - 11/15/16 03:19 PM Re: Torque Wrench Extensions/Recalculations [Re: Bill_Walker]  
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TheOtherLee Online
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How about Wikipedia on torque wrenches ? Open the "Using Torque Wrenches" section and scroll down to "Extensions".


Channeling farfegnugen since 2011.
#974982 - 11/15/16 03:50 PM Re: Torque Wrench Extensions/Recalculations [Re: Bill_Walker]  
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Originally Posted By: Bill_Walker
Link no longer works.


Bill, thanks for pointing out that the site had been taken down. I did a little looking around and found this video on YouTube which I believe has plenty of good information. Of course, I'm not an engineer, but all of the comments about the video seem to agree that it's correct.

Once again, Linky.


Cary, Gleno, Rodger, Paul,
Godspeed, my brothers.
We will never forget you.


Teach your children about taxes. Eat 40% of their ice cream cone.

Do you have a MotoReflective Reflective Kit (Link) for the rear of your BMW?
#975009 - 11/15/16 07:56 PM Re: Torque Wrench Extensions/Recalculations [Re: EffBee]  
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The Rocketman Offline
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So that video was helpful, but setting the wrench at 40 ft-lbs to get a desired true torque value at 47 ft-lbs, using a straight 2" extension, I get.

But, almost always, I add a 2" extension that is VERTICAL to the torque wrench head (sticking out 90 degrees from the end of the torque wrench).
Same calculation, or different?


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2002 R1200C Montana
2005 R1200C Montauk Commemorative Model "350" Piedmont Red & Silver # 328 of 350

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#975012 - 11/15/16 08:56 PM Re: Torque Wrench Extensions/Recalculations [Re: The Rocketman]  
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Originally Posted By: The Rocketman
So that video was helpful, but setting the wrench at 40 ft-lbs to get a desired true torque value at 47 ft-lbs, using a straight 2" extension, I get.

But, almost always, I add a 2" extension that is VERTICAL to the torque wrench head (sticking out 90 degrees from the end of the torque wrench).
Same calculation, or different?




If your 2" extension is 90 deg to a 12" torque wrench, the applied torque at the end of the extension is basically the same as the wrench value.


Edit:
If by "vertical" you mean a socket extension, then the applied value is the same as the wrench value.

Last edited by greiffster; 11/15/16 09:05 PM. Reason: vertical?

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#975114 - 11/17/16 12:14 PM Re: Torque Wrench Extensions/Recalculations [Re: EffBee]  
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The Rocketman Offline
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Yes, I mean a socket extension.
Thanks.


2009 R1200RT
2002 R1200C Montana
2005 R1200C Montauk Commemorative Model "350" Piedmont Red & Silver # 328 of 350

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