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Control Panel template - See anything that should be changed before I cut?

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dkersten:
The u-trak hole should be 80mm exact (and then the back side opened up with a file a little to accommodate the taper) if you are doing a straight flush mount.  This can really only be done with a router as there are no hole saws that I have found at this size.. Plus a hole saw will not make a very good hole, and part of this will be visible without the trim ring installed. 

If you are using the trim ring, a 3.25" hole saw cut hole will work fine.  However, with the trim ring on, the distance from the bottom of the trim ring to the top of the trackball base is NOT 3/4", it is about 9/16".. so you either use 1/2" material for your CP and the trim ring sits just a little low on the ball, or you use 3/4" and rout out the underside to recess the whole trackball base about 3/16".  Of course if you do this you are going to have to be super accurate when setting your brass inserts to hold the bolts to mount it as you will have less than an eighth of an inch between the bottom of the hole and the surface of your CP. 

I chose to flush mount, but it was a challenge to get it perfect.  First I used the trim ring to draw the exact hole I wanted.  Then I used a jig saw to cut it out, going about 1/8" inside the line.  Then I took a scrap of 3/4" wood, cut a 3-1/4" hole in it, then placed the trim ring in the hole with some very thin shims (cardboard or paper folded up) to center it, then clamped that piece to the CP with the trim ring clamped between the scrap and the CP.  When I flipped the CP over, I now had a perfect guide for a flush trim bit.  I routed the hole using that plastic trim ring as the guide for the bearing on the flush trim bit and ended up with a perfect hole.  I used a file on the back side of the CP to open the hole a little and taper it, being careful not to hit the top 1/8".  When all was said and done, my hole is exact and the U-trak fits perfect.  I carefully trimmed my graphics overlay to the hole, and it came out REALLY nice.

Here is a pic after I cut the hole


And the finished product

big10p:
Personally, I wouldn't bother with a separate button to exit back to the frontend. Just use an existing button combo. e.g. I've just set MAME to exit when 1P and 2P buttons are pressed, simultaneously.

yotsuya:

--- Quote from: big10p on June 27, 2014, 12:39:12 pm ---Personally, I wouldn't bother with a separate button to exit back to the frontend. Just use an existing button combo. e.g. I've just set MAME to exit when 1P and 2P buttons are pressed, simultaneously.

--- End quote ---

Agreed.

dkersten:
I actually like a dedicated exit button.. it keeps me from having to explain to everyone how to exit a game.. "exit" is pretty intuitive and seldom needs explaining, "Hit this button and hold it and then hit that one to exit" not only requires explanation, but usually a reminder or two.. "OK, what two buttons do I hit to get out?"  But if you want a minimalist CP, shift functions are your friend.. I use a shift for credit 3 and 4 since I didn't feel the need to have 4 credit buttons, nor did I have the room on my iPac.. But I love my dedicated select, exit, settings, and pause buttons..

Drnick:

--- Quote from: dkersten on June 27, 2014, 01:03:05 pm ---I actually like a dedicated exit button.. it keeps me from having to explain to everyone how to exit a game.. "exit" is pretty intuitive and seldom needs explaining, "Hit this button and hold it and then hit that one to exit" not only requires explanation, but usually a reminder or two.. "OK, what two buttons do I hit to get out?"  But if you want a minimalist CP, shift functions are your friend.. I use a shift for credit 3 and 4 since I didn't feel the need to have 4 credit buttons, nor did I have the room on my iPac.. But I love my dedicated select, exit, settings, and pause buttons..

--- End quote ---

I gotta agree with this,  I started my machine off with no admin buttons and using the hold P1 Start & Coin1  to exit method. Others just couldn't get their heads round it and would go how do I exit again  :banghead: :banghead:  I ended up getting some small 12mm buttons Green for start and Red for Exit.  It just made life so much simpler within Hyperspin, P1 start can also be used to start though.

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