100 - 300hp piston engine UL390iS

50 - 100kgfor light aircraftfor ULM

If you want more power and mogas 97/ 98 is available, the UL390iS is an excellent choice for your 2 or 4 seats plane. This heavy duty engine is the perfect all-rounder. Dual (redundant) electronic spark ignition (variable timing) Electronic multipoint fuel injection (pressure and temperature compensated) Electronic RPM limiter Direct propeller drive 7 bearing crankshaft with surface hardening treatment and additional large thrust bearing (ball bearing type) Single central camshaft Push rods, tappets and OHV (hydraulic compensators have not been used) Wet sump forced lubrication with integrated pressure regulator Ram air cooled cylinders and cylinder heads Integrated permanent magnet AC generator, external rectifier-regulator Electric starter Electric fuel pump and pressure regulator to eliminate vapor lock and facilitate starting even under adverse conditions Displacement - 3900 cc Bore - 105.6 mm Stroke - 74 mm Compression Ratio - 9.1 : 1 Firing Order - 1 - 4 - 5 - 2 -3 - 6 Direction of Rotation - Clockwise - Pilot's view Maximum Torque (ISA conditions) - 370 Nm (273 ft.lb) @ 2800 rpm Power rating DC output - 50 A Oil capacity - 4 L Fuel - MOGAS with min. 97 octane rating or AVGAS (98 Oct = 90MON = 94 AKI)