Heli-Preheat Kit – Robinson R44 – 115V Standard (CHT wells not required).
Preheat is applied through electrical resistance heat elements located in each cylinder assembly, on engine crankcase and oil sump/tank, main and tail rotor gearboxes, and hydraulic reservoir, preheat critical components, oil, and attached accessories. Power is routed to the elements through a dedicated wiring assembly with circuit overload protection and power indicator light. System is self-regulating through design. Heated components reach an average state of thermal equilibrium in approximately six hours.
Known Engines: O-540-F1B5 , IO-540-AE1A5
This preheat kit when installed will supply 633 watts with a 5.5 amp draw at 115 volts.