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Can I use a Happ 3" trackball plate with an Imperial 3" ball?
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AlanS17:

--- Quote from: mccall on June 20, 2003, 12:03:43 am ---I had to enlarge the holes on my Imperial to use the Happs boltless plate. Not much, just slightly. I'm not sure if I had an older model and that was the reason or if the newer ones also need this.

--- End quote ---

Doesn't sound like a problem that a good mallet can't fix.  ;D
mccall:
Yeah, some friendly persuasion from a large mallot would probably have worked ;-)

It wasn't much, just a shaving actually, and it was only on the top inch or so of the top of the housing. It took all of 30 seconds to do with a snug fitting drill bit. I read where you can "shave off" the black paint around the inner mounting bolts of the Happs plate and that will also work, but I read it after I shaved my TB with a drill bit so I do know personally whether it works or not.
u_rebelscum:

--- Quote from: mccall on June 20, 2003, 12:03:43 am ---I had to enlarge the holes on my Imperial to use the Happs boltless plate. Not much, just slightly. I'm not sure if I had an older model and that was the reason or if the newer ones also need this.

--- End quote ---

Hmm, I had to do that with my wico TB, but not my betson TB.  FWIW, the betson I have is a "golden tee" "high lip" TB.
mccall:
Mine was not the high lip version, maybe there's the difference.
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