Scotch Keyed doesn't mean glue! if thats what you meant?

I was cutting the Exa twin pulley yesterday and its alot of work
with the hacksaw! I ran out of steam got the angle grinder out
on the vice and still had trouble cutting it. Then the main
pulley came off and left it wobbling trapped between the 2 fronts.
Will be able to use a v pulley over the main balancer structure
by brazing it on and re-balancing the final assembly.