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ULPower UL260i

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ULPower UL260i

The ULPower UL260i is a lightweight, 4-cylinder, 4-stroke, horizontally opposed, air-cooled aircraft engine, produced by ULPower in Belgium. The engine is direct drive and features FADEC with multipoint fuel injection and double ignition.

Contents

General characteristics

  • Type: Flat-4
  • Bore: 105.6 mm (4.157 in)
  • Stroke: 74 mm (2.91 in)
  • Displacement: 2,592 cm3 (158.2 in3)
  • Length: 540 mm (21.3 in)
  • Width: 654 mm (25.7 in)
  • Height: 472 mm (18.6 in)
  • Dry weight: 74.5 kg (164.2 lbs) with exhaust, starter motor, alternator, injection & ignition system, oil cooler, oil, fuel pump and filters - fully installed & operational

    • Components

  • Valvetrain: single central camshaft, solid lifters, pushrods, rockers and OHV
  • Fuel system: Electronic Fuel Injection
  • Fuel type: Mogas (95 Oct.RON / 91 AKI min.) / AVGAS
  • Oil system: Wet sump
  • Cooling system: Air-cooled

    • Performance

  • Power output: 71 kW (95 hp) at 3,300 RPM
  • Compression ratio: 8.16:1
  • Fuel consumption: 12 liters/h at typical cruise of 2,500 RPM
  • Specific fuel consumption: 180-200 g/hp/h
  • Oil consumption: close to none
  • Power-to-weight ratio: 0.95 kW/kg (fully operational)

    • References

    ULPower UL260i Wikipedia
    (Text) CC BY-SA