Thanks Noddy, these parts are halved and carry a shaft at about 13/16" and there are no parts that I know of that are oversized. It would be great if there were O.S. shafts and I really don't know why, it would be a reasonable and practical.

Anyway, for now I have to do it this way.

I bought an HTP invertig 221 to do some aluminum welding with.This is the first time I have had the ability to set my balance and frequency. If I set my balance at 65% does it matter where I set my EP and EN?

I have some old Harley panhead rocker arm blocks.These are two piece bearings for the rocker arm.The top being brass and the bottom cast. The fit is gone and I would like to rebuild them if possible.The question is what do I use? I'm thinking silicon bronze might work but I have never used it. I onl...

I have a Hi-Freq box that was the only way to weld aluminum 40 years ago. It has the torch trigger.It is a rough machine but it does the job just not with much finesse.I have since picked up an HTP 221 Invertig that leaves the box on the shelf.