My torque wrenches. The flat beams are heavy and clumsy but are supposed to be very accurate. The thickness of the beam tapers and this is supposed to account for large beam deflection variation from the Euler beam formula, but as a degreed mechanical engineer that specialized in solid...
Beam wrenches are great. My father worked for Sturtevant and taught me how to torque a bolt when I was 12. I have several Sturtevant beam wrenches from 1/4 drive 80 inch-gram to a 3/4 drive 300 foot-pounder. Also have Cleco ratchet clicker wrenches. I check the Clecos on a beam wrench with a...