Heavy Fuel and Gasoline Engines for Unmanned Aerial Systems
SP-55 FI TS Generator Application Two-stroke fuel injected single-cylinder hybrid engine
SP-55 FI TS Generator Application

Two-stroke fuel injected single-cylinder hybrid engine

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SP-55 FI TS Generator Application

Designed with twin spark plugs, the SP-55 FI TS Generator Application is equipped with a fuel injection system.


With our ECU and the starter generator / controller SGC352 as well as the integrated cooling, this set up is load controlled and can supply electrical power up, see below:

  • Controllable via CAN (optional generator start input)
  • Battery voltage 36 – 75V (nominal 48V)
  • Max. power 2 kW @ 48VDC (40A@MSL)
  • Fuel consumption max 1.5 l/h
  • Generator current sensor
  • External load current sensor (via CAN)
  • Temperature monitoring
  • Overload derating
  • Programmable battery charging current
  • Standalone operation
  • Automatic throttle regulation due to external load current sensor
  • Advanced combustion engine start
Dimensions 31.6 × 26.1 × 25.2 cm
Type 1-Cylinder Gas Engine
Capacity 55 ccm / 3.35 cu in
Power 2 KW pure electrical
Crankshaft 4 ball bearings
Oil/Gasoline ratio 1:50 / 2% mix
Bore diameter 1.77 inch (45.00 mm)
Stroke 1.37 inch (35.00 mm)