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Yeah, I posted the formula for determining torque settings using extensions,

Where? I've found zero ACCURATE extension correction formulae on this site,that is until I just posted it.I checked the links and they were/are erroneous.

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The question is how to determine torque on a long handle WITHOUT using a torque wrench.

Say you want 1000 ft./lbs. torque on that fire hydrant cap so your neighbor's house burns completely to the ground,regardless of the firemen showing up.Hypothetically. <img src="/forums/images/graemlins/smile.gif" alt="" /> We take a wrench, slide a long pipe over the end of it. Cut the pipe off 10 feet from the center of the nut. Take bathroom scale out to end of pipe.Put scale on end of pipe(With scale stroke creating a tangent to 10 foot wrench's swept arc,you know what I mean)push on scale till it reads 100 lbs.You will have to follow the end of the pipe for several feet with that bathroom scale,but rest assured you just applied 1000 ft./lbs. of torque to that cap.If this answer doesn't suit you I suggest you ask another question because your question above has been answered in total.

Scotty