Yeah it got milled back to fit a larger blade. It's no problem the blade can be milled a bit to flush fit.
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YEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAH

i think i was talking about timing belts.
we made our pullys for Plan-B that ran with V (ish) belts.
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Mechanical engineers build weapons, civil engineers build targets

Machining your own timing pulleys? yeah, pass on that

Angus: depending on how thick the disk is vs the slot, it might be easier and stronger to add a spacer under the blade to raise it above the bearing. Cutting a large counterbore in bisalloy would be possible, but hard on cutters. Raising the disk also gives you more clearance to the belt.
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Australian 2015 Featherweight champion
UK 2016 Gladiator champion