This engine with reversed rotation (RR) can be used for dual engine aircraft and for pusher applications.
By reversing the rotation direction, the normal ULPower compatible propellers can still be used.
The reversed rotation option is available on the entire ULPower range.
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 - 5254 cc
Bore - 105.6 mm
Stroke - 100 mm [3.937 in]
Compression Ratio - 8,7 : 1
Firing Order - 1 - 4 - 5 - 2 - 3 - 6
Direction of Rotation - Anti-Clockwise - Pilot's view
Maximum Torque
(ISA conditions) - 465 Nm [343 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)