Don't trust torque wrench

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Posted by caw900 on March 17, 2009, 10:25 pm
 
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I've decided to be a mechanic. Actually changed the rear tire myself.
Got me a torque wrench to do the rear axel nut. However the torque
wrench is not going "click". In plain English what does 60 ft-lb feel
like? I'm a pretty big guy (well maybe not pretty) and I put about 3/4
of my strength to it. I'm afraid of applying too much pressure. Could
the new AmPro wrench be defective? thanks.


Posted by Wakko on March 18, 2009, 12:19 am
 
Wakko  NTXNS TOMKAT PHS BS#257


Posted by Mat S on March 18, 2009, 9:08 am
 
Well, it's a lot like hanging a 60lb load on one end of a 1 foot long
horizontal bar. The other end is holding the nut you're tightening.

MS


Posted by Steve P. on March 19, 2009, 9:13 pm
 

So yer saying if I use my 18" rod and lay 260 lbs of chub into it, when it
stops moving I'm done?

Works for me.
-Steve P.
That's worth a round on someone.


Posted by George@!home on March 19, 2009, 10:03 pm
 


Does 1.5 (feet) times 260 (pounds) equal 60?

Torque is a rotational force with two components, distance and a force
perpendicular
to the distance, which is why it is indicated as ft-lbs, not ft/lbs.

60 ft-lbs is a force of 60 lbs acting 1 foot away, or 30 pounds acting 2
feet away, or 120 lbs acting 6 inches away.




George

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