My camper needs 400Nm for the wheel nuts, which usually means pull fairly b%+*&y hard. But I was wondering about a fishing scales on the end of a metre scaffold pole I already have. 40kg on the scale at a meter distance = 400Nm. Fishing scales being cheaper and smaller than a torque wrench, and since some may argue a torque wrench is inaccurate unless just calibrated, so near enough?
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