WPC flipper coils, weakest to strongest
Power side / hold side resistance: FL-11753 9.8/165 ohms (small flippers, usually yellow wrapper); FL-11722 6.2/160 (weak flippers, usually green); FL-11630 4.7/160 (standard strength, usually red); FL-15411 4.2/145 (strong, usually orange); FL-11629 4.0/132 (strongest, usually blue).
Systems
Related tips
- WPC flipper coils from weakest to strongest
- WPC flipper coils, weakest to strongest, with resistances
- Williams flipper coils from weakest to strongest
- Williams 50 V fat flipper coils ranked by strength
- Flipper coil strength order (WPC flipper coil strengths file)
- Fitting a parallel FL11630 or FL11722 flipper coil
- WPC-style conversion: plunger, springs, bats and coil
- Series and parallel wound flipper coils on System 11
Source: Repairing Williams System 3 to System 7 Pinball 1977 to 1984, Part Three, Clay Harrell (pinrepair.com)