A snug fit in the rubber cup of a standard model airplane
electric starters like Sullivan's This is what you need for starting model helicopters. Designed to plug into the rubber spinner adapter of an electric starter like the 24V Sullivan Dynatron (shown) or Hobbico's 12V TorqMaster 90, it allows you to switch between starting model airplanes and model helicopters without tools. Equipped with a one-way bearing (within the 6mm hex start adapter body) this allows the engine to start and speed up to a higher RPM than the electric starter motor without stalling the engine.
- The StartProbe fits snugly in the
starter's rubber spinner cup.