RamRod
Guest
My opinoins from 5 years running an 8-22 RD on R72. Best to have the heavy var. driven front sheave setup, and the double "C" belt drive behind that. Then, if you really push it, you can break off front jack shaft left end that carries the front var. sheave. I then put a bearing support on left side of the sheave (next to spline coupler(used a JD disc flangette and bearing-greasable). Total fix. Then, I put a 600 pound 4" liquid filled pressure gauge in cab that tees into the variable header drive hydraulic line so I could read an indication of load_torque on the drive. Working quite hard, can get up to 350 to 400 pound readout at which time I would estimate you are putting out 150 to 175 HP to the head. A standard head will read about 200 pounds. The header drive has been tested with dyno and can put out a remarkable 185 HP before destructing itself. Hope this helps to understand what can happen, and how to beef up, and enjoy the benefits of the Roto Disc head.