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Trackball Template

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Trimoor:
Can anyone give me a template for mounting a imperial 3" trackball?

I will not be using a mounting plate, so I need to know where to drill the 4 holes (plus the big hole).

Thanks!

brained:
I suggest you to open your trackball and use the top part to mark your holes. That's how I'm going to do it!, I own an Imperial Trackball.

Bgnome:
you can see how ben willlcox did it without a plate here:
http://www.arcadecontrols.org/yabbse/index.php?board=1;action=display;threadid=20954;start=msg199702#msg199702

u_rebelscum:
Imperial, wico and happs follow the industry standard for the hole locations and hole sizes.*  The Imperial and wico cases are bigger than the happs/atari cases, though.

Check out mounting plate dimensions and happs case size for sizes, but nothing's as good as the actual thing, as brained suggested.


*except for happs hall ball model.  The other models, high lip, GT, high rim, and normal all use the the same.

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