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(Topic ID: 263861)

Met Pro Rising Cross Mod


By RobF

8 months ago



Topic Stats

  • 22 posts
  • 15 Pinsiders participating
  • Latest reply 6 months ago by RTS
  • Topic is favorited by 33 Pinsiders

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14
#1 8 months ago

After several months of this project sitting on the shelf, I finally have a fully functioning prototype of my MetPro rising cross mod. It is a few 3D printed parts, a servo, and a control board. It's plug and play as far as connecting to the target opto board and the cross LED. It needs a few tweaks and a lot of play testing before I call it done, but I was excited to share a video of it in action. As of right now I am not taking orders or keeping a list of the interested. This will change when I get closer to final design. Happy to answer any questions and take feedback.

#4 8 months ago
Quoted from snakesnsparklers:

Very nice! Do you have a rough price in mind or is that too far off yet?

Thanks! I have not decided on price. It won't be the cheapest, nor the most expensive mod you have put on the game. How's that for vague?

I need to go through another PCB design and probably some adjustments to the cad models or material choices depending on how the extended play testing goes (ie how things wear or break after prolonged use).

#6 8 months ago

Oh and I was asked if I blasphemously replaced the stock songs with the Sex Pistols The answer is no, it was on in the background while taking the videos. The game volume was all the way down. Also that buzzing you hear in the last half of the video was from holding the flipper to keep the ball search from going crazy. The servo is effectively silent.

#13 8 months ago

Yeah it's a bummer. The exchange rate has not been kind to our friends up north for a while. The good news is that there is still time to save your pennies.

#17 8 months ago
Quoted from gweempose:

How is the cross triggered? Will this be compatible with the Total Lightshow mod?

It's triggered from the last drop target and the LED in the cross. Yes it will work with or without the TLS mod. I have TLS on my machine.

2 months later
#18 6 months ago

A couple of people have asked for an update on this project. General summary is that things are going well with no major issues. I am at least 5 weeks out from having something to send out to my first play testers. More details for the curious;

1) I have been play testing quite a bit. Like a dummy I haven't kept an official record of # of plays, but it is at least one hundred and counting. The good news, nothing has broken and the mechanical bits continue to work exactly as expected. This is important as I wasn't sure how the material or design would hold up to pinball use. So far, so good. I think I can call the physical design pretty much done. If I get a chance I might try to downsize the servo used. I think the one I am using now is overkill.

2) It rises correctly 90% of the time. For the remaining 10% my trigger logic gets confused by events and scenarios other than the start of the Cross MB. I have some coding work ahead to fix this. It never gets stuck in the wrong state, meaning it will right itself during normal play. It is only confused temporarily. That is good news. Also it goes down 100% correctly, so that is also good news.

3) I am redesigning the PCB for compactness and to ease assembly. I need to finish the deisgn, send it out for fab and then retest. This will be my long pole lead time. This is probably 4-6 weeks out (~2.5 weeks just waiting for boards to comeback). If I screw something up, it will tack on more weeks.

4) I am still not set on where the board will mount. I had a a good plan, but then realized part of the stock harness that plugs into my board doesn't look like it will reach. There is still more fiddling here to figure it out, but it's good activity while I wait for PCBs to come back.

5) More play testing. My plan right now is once I am happy with the above, I'll find a couple willing local MetPro owners to be first testers. I want more test time on this to feel better about it.

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