(Topic ID: 213764)

Williams drop target guides

By debaser

4 years ago


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  • 13 posts
  • 8 Pinsiders participating
  • Latest reply 1 year ago by Sparky481
  • Topic is favorited by 1 Pinsider

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#1 4 years ago

I need (8) of the Williams drop target guides as used in games like Blackout. The part # is 03-7479 or 3B-7479. I'm wondering where the cheapest place to buy these is. Marco Specialties has them but they want $18.99/each! Bay Area Amusements lists them in black for $6/each but they are out of stock. I did find this website (https://www.shapeways.com/product/S2ELKPEWT/pinball-drop-target-guide) that 3D prints them but they want $11.50/each. Anyone here try these ones and have any feedback?

Most of the screw holes to mount the drop target boards to the guides are cracked or broken so the boards flop around too much causing issues. I really don't want to spend $100 to replace them if I don't have to.

Anyone know where I can get 8 of these at a decent price? Thanks!

#2 4 years ago

You might be better off checking Ebay for a complete drop target bank. Even if it runs you, say, 40 bucks, it'll have four guides and cost less than Marco.

#3 4 years ago
Quoted from jibmums:

You might be better off checking Ebay for a complete drop target bank. Even if it runs you, say, 40 bucks, it'll have four guides and cost less than Marco.

Buying used ones off eBay is risky as the plastic gets so brittle on these things after 30+ years.

#4 4 years ago

Check out the last page of posts for “those Williams sliding horseshoe contacts”. That might be the better answer for you.

#5 4 years ago

The upside is drop banks from newer games that used leaf switches are the same guides but the screwholes for the horseshoe circuit boards are unused.

Or, re-build the screwholes on your existing ones using Devcon Plastic Welder glue. It's almost magic.

Richard

#6 4 years ago

Agree, if the only thing wrong with your existing guides is the board mounting holes are stripped, I would try rebuilding the holes or use larger screws.

Or you can wait for Hans to finish his new drop target board that uses leaf switches (no more horseshoe contacts) and is a single board design that will be held in by all the screws, not just 2 screws on each board like the original design.

https://pinside.com/pinball/forum/topic/replacement-for-those-sliding-horseshoe-contacts-in-williams-drop-targets/page/3#post-4287939

#7 4 years ago

In my experience it's not really that they strip, but the bosses in the plastic crack and break. That's why I suggested rebuilding them with the Devcon Plastic Welder adhesive.

Or, as I had also mentioned, get some from a newer game as the holes for the circuit boards will be un-used and pristine. In leaf switch applications those holes have never had a screw in 'em.

Richard

#8 4 years ago

If you DO get some new ones, I can I have the old broken one? I'm thinking I'll want to start doing up a CAD file for these after all.

-Hans

#9 4 years ago

I've seen 2 different sources of people 3D-printing them but I don't know anybody that has used them in their games.

Richard

#10 4 years ago

I found this the other day:

https://www.thingiverse.com/thing:2792174

A buddy of mine with a 3D printer is going to try printing some of these for me. I'll update the thread once I have tried them.

1 month later
#11 4 years ago

I'm rebuilding the drop targets on my Blackout and discovered I have the same problem - cracked bosses on the guides. I came up with an easy fix. I checked my old modeling supply and found some brass tubing (7/32" - I think). It fit snugly over the bosses. I cut a few pieces just under 1/4" and slipped them over the bosses. Seems to work fine - the screws hold tight now.

IMG_1746 (resized).JPG

#12 4 years ago
Quoted from oldschoolbob:

I'm rebuilding the drop targets on my Blackout and discovered I have the same problem - cracked bosses on the guides. I came up with an easy fix. I checked my old modeling supply and found some brass tubing (7/32" - I think). It fit snugly over the bosses. I cut a few pieces just under 1/4" and slipped them over the bosses. Seems to work fine - the screws hold tight now.

Nice! Thanks for sharing!

3 years later
#13 1 year ago

If anyone is still considering the reproduction guides I suggest to be extremely careful with them, installed in my scorpion machine they function, but after a few months of play the bosses broke. I have seen a new and improved 3D printed design. I'm not sure if the 3D printing is as strong as old injection molded parts.

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