Retard breaker points
A set of breaker points in certain aircraft magnetos that are used to provide a late (retarded) spark for starting the engine.
Aviation Maintenance Technician Handbook — Airframe, p. G-28
A set of breaker points in certain aircraft magnetos that are used to provide a late (retarded) spark for starting the engine.
Aviation Maintenance Technician Handbook — Airframe, p. G-28