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  1. Spinninghead

    Bursting speed of a flywheel

    Bloody hell! He wouldn't even have noticed if it was steel,he'd be looking for the other third of his head though.
  2. Spinninghead

    Bursting speed of a flywheel

    Thanks! Traps for beginners, I took the manufacturers rating as for the disk. Turned out it was for the teeth. Googling the correct psi. Gives me 14700rpm, so I won't worry as much when I'm next cutting concrete. Thanks again
  3. Spinninghead

    Bursting speed of a flywheel

    Hi.In a previous thread(404-167467) the bursting speed for a spinning steel disc was quoted(rule of thumb)as v=sqrt(10*s) where v= velocity in f/s And s=tensile strength.in psi. I applied this to a 14 inch concrete cutting disk (6000 psi tensile...
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