I think those direct couplers suck!!! what in the hell is wrong with good ole fashion belts, I am at almost 2k hours on my second set of belts, on my "overly complicated"
prochem machine, the first set of belts where changed, for the hell of it and could have gone much longer,maybe even till now, they are still hanging in the garage.
one of the better machines, was what I call a custom Kelly mount, it was made from an old petersen
vortex that the people just got tired of messing with, he took a nissan motor and bolted it to his custom square tube frame, then used about a 3ft long shaft that had universal bearings on it, this made it possible to add a pulley pretty much anywhere on the shaft, then he used a one wire alternator from a '76 monte carlo, ie cheap and replaceable at any parts store. mounted the bigass blower and pump, hooked it all up, it was one brute of a machine, come to think of it, it was a slide in with the same power as a
vortex, can you imagine that?? yeah I can say that because it was made with the main parts from a
vortex