(Topic ID: 18292)

VID's Guide to Upgrading/Rebuilding Flippers

By vid1900

9 years ago


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  • 2,684 posts
  • 451 Pinsiders participating
  • Latest reply 36 days ago by Karthag
  • Topic is favorited by 1,247 Pinsiders
  • Topic is sticky in its sub-forum

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Topic index (key posts)

15 key posts have been marked in this topic, showing the first 10 items.

Display key post list sorted by: Post date | Keypost summary | User name

Post #6 Get the right EOS switch Posted by vid1900 (9 years ago)

Post #8 Make System 11 Flippers Feel Tight Like Fliptronic Posted by vid1900 (9 years ago)

Post #88 Replace Old Series Coils With New Parallel Coils Posted by vid1900 (9 years ago)

Post #140 Udate Old Solid State Flippers Into Fliptronic Style Posted by vid1900 (8 years ago)

Post #292 List of games with longer/shorter flipper travel Posted by vid1900 (8 years ago)

Post #294 Rebuilding 1967-1979 Flippers Posted by vid1900 (8 years ago)

Post #390 Coil stop differences between system 11 and Fliptronic Posted by vid1900 (7 years ago)

Post #520 Rebuilding Bally Linear Flippers Posted by vid1900 (7 years ago)


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#2566 8 months ago
Quoted from lightingnut:

How do you tell if a cap is polarized or non-polarized?

You need this cap.

https://www.pinballlife.com/22uf-250v-axial-capacitor.html

#2568 8 months ago
Quoted from lightingnut:

Will it hurt anything to play the game with the cap missing?

Not in the short term.

1 month later
#2589 6 months ago
Quoted from rcbrown316:

I just want to confirm that is the right one

That is a cabinet double flipper switch. You need this instead.

https://www.marcospecialties.com/pinball-parts/ASW-A10-45

#2592 6 months ago
Quoted from rcbrown316:

So just add that onto the existing stack on the new assy?

Yep!

#2593 6 months ago
Quoted from Kjarkur:

I'm wondering if it makes sense to add capacitors to the eos switches of a wpc?

Are you using a fliptronic board, then no. But if you are using parallel wound coils on a WPC flipper bracket, then yes use a cap.

1 month later
#2640 5 months ago
Quoted from sethbenjamin:

Are these then parallel coils?

No.

Quoted from sethbenjamin:

Could a capacitor be added to reduce arcing, like they ended up doing on system 11 games?

Yes, but may not help too much.

#2644 5 months ago
Quoted from slochar:

What is the definition of parallel coil then?

A parallel coil has the input power going to both windings at the same time. A series wound coil has power go through the hold winding first and then through the power winding.

Quoted from slochar:

I unwound a bally coil a while ago and there are 2 windings, the power stroke in the center against the bobbin and the hold coil wrapped around it.

Both parallel and series coils can be made the same just like this, all that matters is how the end of the windings are connected together.

#2646 5 months ago
Quoted from slochar:

So there's really a redundant diode on bally/stern flippers then?

No not really, there is a diode for each winding separately. Williams used one diode across both windings together.

Quoted from slochar:

Nothing to prevent you from rearranging the wiring from the coils themselves to be actual parallel?

You can if you like. First pic is a stock wiring. Second pic is for parallel, you need to reverse the hold winding diode. Then move the power wire from lug #1 to lug #2. Move the ground wire from lug #3 to lug #1. Connect the EOS switch from lug #1 to lug #3 instead of lug #1 to lug #2. Piece of cake.

lll (resized).PNGlll (resized).PNG
#2649 5 months ago
Quoted from slochar:

you should be able to rewire otherwise perfectly good series wound coils to be the parallel equivalent, mark the wrapper, and save the cost of buying a new coil.

You can but is it worth it? Most people will be confused from the diode and wiring changes and assume it's wrong.

#2651 5 months ago

I don't know of any performance benefits from parallel coils. The EOS switch last longer because of a spark arrestor cap, so this would enhance performance between service calls. But that's about it, no magic here. Return spring design will make more of a difference then replacement of the coil.

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