Which games have zipper flippers

Zipper flippers close together to shut the centre gap. Bally used them from 1966 to 1973: 4 Queens, Alligator, Bazaar, Capersville, Cosmic, Cosmos, Dixieland, Dogies, Fireball, Four Million B.C., Gator, Joker, Joust, Mini-Zag, Nip-It, Op-Pop-Pop, Rocket III, RockMakers, Surfers and The Wiggler. Williams used them on Daffie, Student Prince, Doozie and Hayburners II (the only one with 3 inch flippers).

Systems

• Electro-mechanical

Games

• 4 Queens
• Bazaar
• Capersville
• Cosmos
• Dixieland
• Dogies
• Doozie
• Four Million B.C.
• Hayburners II
• Joker
• Joust
• MiniZag
• Nip-It
• Op-Pop-Pop
• Rocket III
• RockMakers
• Student Prince
• Surfers
• The Wiggler

Related tips

• Bally zipper flipper solenoids changed at Capersville
• Zipper flipper rebuild parts and stronger coils
• Rewinding a plastic-encased zipper flipper close coil
• Zipper flippers won't close: burnt close solenoid
• Sloppy zipper flippers: worn base plate slots and bushings
• Rebuilding an EM flipper
• An EM flipper coil is two windings
• How an EM flipper coil and its EOS switch work

Source: Repairing Electro-Mechanical (EM) Coin Operated Games to 1978, Part Two, Clay Harrell (pinrepair.com)