(Topic ID: 250789)

Grand Prix flipper buzz


By lmcdonald111

11 months ago



Topic Stats

  • 16 posts
  • 10 Pinsiders participating
  • Latest reply 11 months ago by slochar
  • Topic is favorited by 1 Pinsider

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#1 11 months ago

Grand Prix flipper buzz
I have tried and had a professional tech try to minimize the buzz in the flippers. You can touch the mech and of course lessen it.

1. Best Solutions?

2. Has anyone ever upgraded to a modern flipper system?

#2 11 months ago

Best you can do is new coil stops and plunger. Make sure all the screws are tight. Short of that, not much you can do with AC flipper coils. They are inherently buzzy and sometimes not much you can do to make them quieter.

Make sure your cabinet switches and EOS switches are clean and gapped properly.

#4 11 months ago

One small piece of black electricians tape over coil stop.

LTG : )

#5 11 months ago

It's not preventable without modifying it non-factory. If you get some bridge rectifiers and DC coils it won't buzz anymore, but it'll also get much stronger and can damage the machine. New mechs won't help, it'll still be AC

#6 11 months ago

It seems Williams have always been louder than Gottlieb

#7 11 months ago

My game is like this too. Completely rebuilt flipper mechs. I also believe I installed new flipper coils. Still buzzes when I hold the flipper up. The flipper drops when the ball strikes it in a held position also and I've futzed with the EOS switches for more time than I care to spend. New flipper cabinet switches also. I've just learned to enjoy the game this way. The flippers on my Gottlieb are completely silent.

#8 11 months ago
Quoted from lmcdonald111:

It seems Williams have always been louder than Gottlieb

Williams EM flippers kinda suck in general. They way they directly mount to the wood playfield instead of to a metal plate attached to the playfield was a bad design.

#9 11 months ago

Has anyone tried fitting a Gottlieb flipper system in a Williams?

#10 11 months ago
Quoted from lmcdonald111:

Has anyone tried fitting a Gottlieb flipper system in a Williams?

No one with any sense, no.

#11 11 months ago

And why would that be senseless

#12 11 months ago

A properly rebuild and adjusted Williams flipper will not buzz any worse than any other manufacturer.

#13 11 months ago
Quoted from EMsInKC:

A properly rebuild and adjusted Williams flipper will not buzz any worse than any other manufacturer.

But they all will buzz eventually.

#14 11 months ago

It’s not rebuilt
It’s new.

#15 11 months ago

I see you have a GP here in KC
You are welcome to try and see if you can make it better.

Glad to pay you for your time

#16 11 months ago

On the plus side if you do want to DC and hot rod your flippers, there's already a DC circuit under the playfield running the pop bumpers you can steal power from. Might want to open up the EOS a little bit if you do this though as they will be a lot more powerful.

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