How a System 11 flipper coil works
The coil has two windings: a low-resistance power winding of thick wire that kicks the ball, and a high-resistance hold winding of thin wire. A normally closed tungsten-contact EOS switch shorts the hold winding until the flipper reaches the end of its stroke.
Systems
Related tips
- Flipper coils have two windings
- Replacing a flipper coil
- How the two windings of a flipper coil work
- Every System 11 flipper has an EOS switch and coil diodes
- Testing flipper coil diodes
- Series and parallel wound flipper coils on System 11
- Measuring a flipper coil's windings
- Removing and checking the flipper coil stop
Source: Repairing Williams System 11 Pinball 1986 to 1990, Part Three, Clay Harrell