I tried using a weighing machine and a 1.5ft long wrench for tightening my car tire's wheel nuts The needle of weighting machine read my weight at 140lb. For the initial 1st round for tightening the wheel nuts I let the needle reading to drop to 110lb as part of my weight is being applied onto the 1.5ft long wrench. For the 2nd round of nut tightening I applied body weight until the weighting machine needle is at 95lb. For 3rd round of tighting the needle reads at 75lb. So 140-75 x 1.5ft wrench for 100lb foot of torque applied onto wheel nut for tightening. Tire shops tend to over tighten wheel nuts to 140 ft lb or more. 🤔🤔🤔
Yet another, incorrectly applying weight at the end; it has to be centered in the grip as designated by the handle design, to be accurate; it does NOT relate to the lever arm as measured, because what causes the click is an internal bending of a bar, to where a small pivot tips. This is all a function of the design at the factory; a torque wrench is NOT a simple lever arm bending (although old style 'beam' wrenches are close to that, without a click alert).
Very well done. Thanks!
Hans you should be very proud🎉🎉
Thanks David, I'm.☺Both my sons will be fine TH-camrs some day.😉
I tried using a weighing machine and a 1.5ft long wrench for tightening my car tire's wheel nuts
The needle of weighting machine read my weight at 140lb. For the initial 1st round for tightening the wheel nuts I let the needle reading to drop to 110lb as part of my weight is being applied onto the 1.5ft long wrench.
For the 2nd round of nut tightening I applied body weight until the weighting machine needle is at 95lb.
For 3rd round of tighting the needle reads at 75lb. So 140-75 x 1.5ft wrench for 100lb foot of torque applied onto wheel nut for tightening.
Tire shops tend to over tighten wheel nuts to 140 ft lb or more. 🤔🤔🤔
I have had few times issues to open wheel nuts. I can be a real nightmare...
This is not a calibration. This a verification only. You did not adjust the internal spring.
P R O M O S M
Yet another, incorrectly applying weight at the end; it has to be centered in the grip as designated by the handle design, to be accurate; it does NOT relate to the lever arm as measured, because what causes the click is an internal bending of a bar, to where a small pivot tips. This is all a function of the design at the factory; a torque wrench is NOT a simple lever arm bending (although old style 'beam' wrenches are close to that, without a click alert).