(Topic ID: 237785)

Weak Flipper?

By tscottn

5 years ago



Topic Stats

  • 9 posts
  • 6 Pinsiders participating
  • Latest reply 5 years ago by zacaj
  • Topic is favorited by 2 Pinsiders

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#1 5 years ago

Hi all..

So lets see if I can explain this correctly. I have been playing a lot of my Sky Jump trying to get a real feel for the game. Its amazing how addictive it is, trying to light all those numbers up then trying to make the 10x shot for each drop number.. but I have been noticing something as I get better at the game.. Every now and then the ball will start rolling from the top of the PF and I know its gonna be pretty close to the edge of one of my flippers.. so I will extend my flipper before the ball hits it right on the edge. That way the ball can bounce off the edge and onto the opposite flipper for a good clean shot. But my problem is.. sometimes the ball will actually hit the flipper right on the edge and the flipper will get pushed back down by the ball which will then drain right down the center..

I feel like the flipper is not strong enough to stay actuated up when the ball hits it near the end of it. I hope that makes sense... Maybe I haven't played enough EM pinball in a long long time and this is how it is, or maybe I could use new coils? Let me end by saying this.. if I remove the glass and try and push the flipper down with my hand there is not a lot of play in the linkage at all.. its is all pretty tight. I doubt I need a rebuild kit as it all seems pretty good with not a lot of slop at all.. but the coils seem like they are original..

Ok what say the experts? Thanks

#3 5 years ago
Quoted from MarkG:

Your flipper coil has two coils wound around the bobbin. One for high power to kick the ball and another for low power to trap the ball. The End Of Stroke (EOS) switch is initially closed to bypass current around the low power coil. So when you first press the flipper button the high power coil starts moving the flipper with a lot of force. Once the flipper has reached the end of its swing (or stroke) the flipper pawl opens the EOS switch under the playfield which forces the current through both the high power and low power coils, effectively reducing the current and power through both coils.
If your EOS switch is opening too soon, your flipper is weaker than intended. Adjust the EOS switch so that it opens just as the flipper reaches the end of its stroke.
More detail and video at https://www.funwithpinball.com/exhibits/small-boards#Flippers
/Mark

I noticed the EOS switch was engaging at the end of the stroke, but I will double check tomorrow. thanks for the link.. some good info there..

#7 5 years ago
Quoted from HowardR:

People report good results with the GTB-A5141A Yellow dot flipper coils
http://www.pbresource.com/coilgtb.html

thanks, this was my next purchase..

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