Vernier coupling
A timing coupling used with base-mounted magnetos. The vernier coupling allows the timing to be adjusted in increments of considerably less than one degree.
Aviation Maintenance Technician Handbook — Powerplant, p. G-30
A timing coupling used with base-mounted magnetos. The vernier coupling allows the timing to be adjusted in increments of considerably less than one degree.
Aviation Maintenance Technician Handbook — Powerplant, p. G-30