(Topic ID: 244059)

JJP POTC Galaxy Backboard & Twinkling Star Mod - Shipping!

By harryhoudini

4 years ago


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  • Latest reply 4 years ago by darkryder
  • Topic is favorited by 16 Pinsiders

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#196 4 years ago

I recently installed the star map mod and thought it would be helpful to share some tips. Installation on my machine was kinda tricky and took hours not minutes, but like the chest mod I definetly think it was worth the effort.

1. The mod backboard would not go far enough down on my machine without enlarging the cutout for the Black Pearl VUK. The VUK sits tight against the machine backboard, and there is no adjustment tolerance where it attaches to the playfield. I tried sanding about 1/4" off the top of the mod cutout, but that still wasn't enough. The fix was to cut a 3/16"vertical groove about 1/2" long where the edge of the VUK contacts the backboard. Of course I couldn't find my Dremel so it took over an hour vs. 15-minutes. Also had to take the top of the Dauntless off to create enough room to manipulate the backboard in-place.

2. Don't use Novus 2 on the backboard. The backboard scratches easily so I tried removing with some Novus. It worked but also took the mat finish off. The mat finish is a good idea to reduce reflections but you need to be very gentle. I'd recommend temporarily putting some cling or transparency film on to protect it during installation. In the end, the effected area was small and is completely unnoticeable.

3. The fit was too tight to just bow the mod backboard around the star map circuit board without cutting holes out for the capacitors. This wasn't too bad but the spacing needs to be spot-on, so center punching the holes before drilling is a must. Also recommend putting painters tape on both sides to help prevent the wood from splintering, and using a new step drill bit like this: https://www.amazon.com/Neiko-10193A-Titanium-Drill-3-Piece/dp/B001OEPYWK/ref=sr_1_3

4. Even with holes for the capacitors, I wasn't comfortable just taping the circuit board directly onto the machine backboard. Instead, I attached it using the smaller, 1/8" spacers from the original star map and some shorter 1/2" pop-bumper screws. I used some 3M 467MP transfer tape to hold the spacers on the circuit board during installation. Also used the same tape to attach the mod led light board.
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1 month later
#202 4 years ago
Quoted from harryhoudini:

We've had continued interest so we're looking at placing another order for these. If you have been waiting to order I'll wait a few days to place the order so I can gauge further interest.

You should raise the cut out for the BP VUK somewhat if you do another run to avoid having to modify it to fit some games.

Have you considered doing a run matching the color scheme of the JJP star map plastic? I like your current color scheme but think it would also look good in the original colors and would probably buy another one.

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#204 4 years ago
Quoted from harryhoudini:

It's actually supposed to slip behind the VUK, the pressure helps keep it in place. Was that not your experience?
https://pinballmods.co/pinball-mods/full-width-galaxy-starmap-backboard-plastic-jjp-potc

There was no way my backboard would fit without cutting a notch so that it could slip down further where the VUK is closest to the machine backboard. If you watch the McSirTuna tech stream on Buffalo Pinball he had the exact same issue. You’d think it would be consistent across machines but that doesn’t seem to be the case with anything on Pirates. If you raised the cutout a 1/2” or so it would solve the issue with no downside. It would still be held in place by the VUK.

#213 4 years ago

That looks really good. I’ll take one. Thanks for offering the option.

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