Pinball Coil Chart: Resistance and Inductance Data
Resistance and inductance measured on 29 pinball coils, and what the numbers say about how hard each one pulls.
Technical Papers
A Technical History of the Pinball Flipper
A six-part series tracing the engineering evolution of the pinball flipper from 1947 to the present day.
Pinball Metallurgy
What is a chrome steel pinball versus a "carbon" steel pinball? What's the real difference, and does it actually matter? Time to demystify the pinball itself.
Flipper Bushing Docs
Why nylon flipper bushings produce unpredictable feel, and the engineering case for stainless steel with sintered bronze inserts. Full installation guide.