Quote Originally Posted by Curt Harms View Post
About the simplest bandsaw blade tensioning gauge I've seen is to use a digital caliper. Open the jaws about 5" and clamp each end to an untensioned blade. Zero the readout and begin to tension the blade. Every .001" of blade of blade 'stretch' = so many PSI of tension. The magic is knowing the formula - which I don't. I had it some place but no idea where it got to.
Young's Modulus x blade stretch / caliper opening = psi

30,000,000 x 0.001/5 = 6000 psi

John