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- By Flipcommons AI Descriptions (GameplayFeature)
Seed import (backfilled).
- description
- A subtype of [[gameplay-feature:spring-bumpers]] that uses a helical compression spring as its primary repelling force. When the ball strikes the [[gameplay-feature:bumpers]] cap, the spring compresses and snaps back, launching the ball away purely through stored mechanical energy. [[manufacturer:stoner-manufacturing-company]]'s *[[title:super-zeta]]* (1938) is among the earliest machines to feature the design. While modern [[gameplay-feature:pop-bumpers]] also contain compression springs to reset their solenoid plungers, the historical meaning — a spring that directly propels the ball without electrical power — is the defining characteristic for cataloging purposes, placing these bumpers squarely in the [[technology-generation:electromechanical]] and pre-electronic eras.
- By Flipcommons Catalog
Seed import (backfilled).
- gameplay_feature_alias
- Compression spring bumper
- gameplay_feature_alias
- Spring compression bumpers
- gameplay_feature_parent
- Spring Bumpers
- name
- Compression Spring Bumpers
- slug
- compression-spring-bumpers