(Topic ID: 213016)

Drop Target bricking and drops upon reset Tips and Tricks

By chuckwurt

4 years ago


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  • 68 posts
  • 12 Pinsiders participating
  • Latest reply 9 months ago by slochar
  • Topic is favorited by 15 Pinsiders

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There are 68 posts in this topic. You are on page 2 of 2.
#51 1 year ago

.

#52 1 year ago

I spent all of last night on this thing. Thankfully there is a molex installed as I had it in and out probably 6 times. As I suspected the plunger is pulling in too far which causes the targets to lean back at the top of the stroke and miss the land on the way back down because they are coming in at an angle. As a temporary measure I installed a piece of chrome auto body molding behind them to disallow the lean back. That solved that problem. It does not interfere with the backward movement that allows the targets to drop by hand but its brick-city with the ball. Tomorrow I am going to bend the landing tabs back down to where they were prior to this episode and see if that helps the bricking.

#53 1 year ago
Quoted from rcbrown316:

I spent all of last night on this thing. Thankfully there is a molex installed as I had it in and out probably 6 times. As I suspected the plunger is pulling in too far which causes the targets to lean back at the top of the stroke and miss the land on the way back down because they are coming in at an angle. As a temporary measure I installed a piece of chrome auto body molding behind them to disallow the lean back. That solved that problem. It does not interfere with the backward movement that allows the targets to drop by hand but its brick-city with the ball. Tomorrow I am going to bend the landing tabs back down to where they were prior to this episode and see if that helps the bricking.

Chuckwurt stretched the short springs to the long spring hookup. The targets stay up but they brick.

I might try clipping a couple of coils off of a short spring and see what that does. Springs are cheap and I bought some extras.

#54 1 year ago
Quoted from cottonm4:

Chuckwurt stretched the short springs to the long spring hookup. The targets stay up but they brick.
I might try clipping a couple of coils off of a short spring and see what that does. Springs are cheap and I bought some extras.

I did that on all 4 and it made no difference. I think the proper mechanical solution in my case is a longer plunger that hits the coil stop crisply...or a longer coil stop. I swapped in both from seawitch which makes a nice snap when you actuate it by hand in seawitch bit does not when they are mounted on the galaxy plate.

#55 1 year ago
Quoted from rcbrown316:

I did that on all 4 and it made no difference. I think the proper mechanical solution in my case is a longer plunger that hits the coil stop crisply...or a longer coil stop. I swapped in both from seawitch which makes a nice snap when you actuate it by hand in seawitch bit does not when they are mounted on the galaxy plate.

Maybe you could toss a couple of washers on top of the coil stop to make it seem like you installed a longer coil stop. And then see if that helps. If it helps then you go buy longer plungers.

#56 1 year ago
Quoted from cottonm4:

Maybe you could toss a couple of washers on top of the coil stop to make it seem like you installed a longer coil stop. And then see if that helps. If it helps then you go buy longer plungers.

hmmm. that's a good idea. I will pull it out tomorrow and see it I can secure them in there so it doesnt bind during the manual test. How would you go about investigating longer plungers?

#57 1 year ago
Quoted from rcbrown316:

How would you go about investigating longer plungers?

I don't know. Drop target plungers are larger than the other plungers.

Quoted from rcbrown316:

I will pull it out tomorrow and see it I can secure them in there so it doesnt bind during the manual test.

Since the coil stop is positioned on the bottom in a "facing up" position, I think you could just add one or 2 small washers and they should stay put. You could always secure them to the coil stop button with some super glue as an experiment. When you are done, just dip the stop into some fingernail polish remover ( acetone ) to dissolve the super glue.

#58 1 year ago
Quoted from cottonm4:

I don't know. Drop target plungers are larger than the other plungers.

Since the coil stop is positioned on the bottom in a "facing up" position, I think you could just add one or 2 small washers and they should stay put. You could always secure them to the coil stop button with some super glue as an experiment. When you are done, just dip the stop into some fingernail polish remover ( acetone ) to dissolve the super glue.

I just tried the washer method. Don't waste your time.

#59 1 year ago
Quoted from cottonm4:

I don't know. Drop target plungers are larger than the other plungers.

Since the coil stop is positioned on the bottom in a "facing up" position, I think you could just add one or 2 small washers and they should stay put. You could always secure them to the coil stop button with some super glue as an experiment. When you are done, just dip the stop into some fingernail polish remover ( acetone ) to dissolve the super glue.

This coil stop on galaxy is at the top of the assembly. Coil pulls the plunger up and gravity let's it drop back down after the targets reset.

#60 1 year ago
Quoted from cottonm4:

I just tried the washer method. Don't waste your time.

That sucks. Thanks for saving me some time for sure. I think I will try bending the landing tabs down a bit and see it that helps. A ton of savvy guys working on this and all we can come up with is a bandaid that is "good enough". We know they worked at some point. The memory targets are the only ones I am having issues with. Galaxy and f2k with issues but meteor is fine so there is more discovery available to me but I just don't want to do something I will regret. Someone needs to step up and get these things reproduced or find a good substitute. I'm sure the components can be fabricated and I bet someone has looked into it.

#61 1 year ago
Quoted from rcbrown316:

This coil stop on galaxy is at the top of the assembly. Coil pulls the plunger up and gravity let's it drop back down after the targets reset.

Yes. I told you wrong.

#62 1 year ago
Quoted from rcbrown316:

Someone needs to step up and get these things reproduced or find a good substitute. I'm sure the components can be fabricated and I bet someone has looked into it.

"Someone" is closely related to " I don't know why "they" don't fix things". Who is someone" And who are they?

Someone may do that, but you won't like the price.

Stern is already doing it with the drops on the The Beatles pin. If you need a 3-place or 4-place drop assembly, one of these assemblies can be retrofitted easy enough. Just change the coil. And then try to figure out how you will get white drop targets since Beatles drops are black.

But I am reasonably certain that you won't like the price, but 3s and 4s can be had from Stern. With black targets.

Screen Shot 2021-06-13 at 12.50.31 PM (resized).png

#63 1 year ago
Quoted from cottonm4:

"Someone" is closely related to " I don't know why "they" don't fix things". Who is someone" And who are they?
Someone may do that, but you won't like the price.

The phrase "someone" includes myself.

#64 1 year ago
Quoted from cottonm4:

Stern is already doing it with the drops on the The Beatles pin. If you need a 3-place or 4-place drop assembly, one of these assemblies can be retrofitted easy enough. Just change the coil. And then try to figure out how you will get white drop targets since Beatles drops are black.
But I am reasonably certain that you won't like the price, but 3s and 4s can be had from Stern. With black targets.
[quoted image]

I might be willing to pay 300.00-350.00 for a complete drop in replacement on a game with enough value to justify it.
I don't believe this Beatles assembly could be modified to replace a drop target assembly with the memory function.

#66 1 year ago
Quoted from rcbrown316:

That sucks. Thanks for saving me some time for sure. I think I will try bending the landing tabs down a bit and see it that helps. A ton of savvy guys working on this and all we can come up with is a bandaid that is "good enough". We know they worked at some point. The memory targets are the only ones I am having issues with. Galaxy and f2k with issues but meteor is fine so there is more discovery available to me but I just don't want to do something I will regret. Someone needs to step up and get these things reproduced or find a good substitute. I'm sure the components can be fabricated and I bet someone has looked into it.

I went with the "good enough" option. I noticed 2 of the DT's wouldnt drop even with the memory coil so I pulled all of the memory coil landing tabs out and sanded buffed, polished and waxed them. I also loosened the springs up that i shortened during the previous exercise. Targets stay up when reset, actuate with memory coils and brick way less. I also left in the chrome auto molding which was the major part of the reset solution. I'd satisfied with how it performs now.

10 months later
#67 9 months ago

Bump.

It doesn't seem like this really resolved, that is, so that everyone agrees what the cause of the problem is.

#68 9 months ago

Lots of bricking is solved by making sure you don't have the posts behind it too close or with too fat a rubber on it.

Specifically on flight 2000, with a CPR replacement PF, the 5 bank if the posts are installed using CPR's divots, they will brick.

Also make sure the shelf the drops reset on have a slight upward angle. One revision of Stern targets appears to be flat, which is not what you want. Those tend to brick, especially with non-original drops.

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