ULPower UL390i

UL390i
Type Aircraft engine
National origin Belgium
Manufacturer ULPower

The ULPower UL390i is a Belgian aircraft engine, designed and produced by ULPower Aero Engines of Geluveld for use in homebuilt aircraft.[1]

Design and development

The engine is a six-cylinder four-stroke, horizontally-opposed, 3,888 cc (237.3 cu in) displacement, air-cooled, direct-drive, gasoline engine design. It employs dual electronic ignition and produces 140 to 160 hp (104 to 119 kW) at 3300 rpm.[1]

Variants

UL390i
Base model with fuel injection and a compression ratio of 8.2:1, producing 140 hp (104 kW) at 3300 rpm[1][2]
UL390iS
Model with fuel injection and a 9.1:1 compression ratio, producing 160 hp (119 kW) at 3300 rpm[3]
UL390iA
Inverted oil system version of the UL390iS, producing 160 hp (119 kW) at 3300 rpm[4]

Specifications (UL390i)

Data from Tacke and manufacturer[1][2]

General characteristics

  • Type: Six cylinder, four stroke aircraft engine
  • Bore: 105.6 mm (4.2 in)
  • Stroke: 74 mm (2.9 in)
  • Displacement: 3,888 cc (237.3 cu in)
  • Length: 723 mm (28.5 in)
  • Width: 654 mm (25.7 in)
  • Height: 472 mm (18.6 in)
  • Dry weight: 100 kg (220.5 lb), ready to fly

Components

  • Fuel system: fuel injection
  • Fuel type: gasoline
  • Cooling system: air
  • Reduction gear: none

Performance

See also

Aircraft of comparable role, configuration and era

Related lists

References

  1. 1 2 3 4 Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, pages 262-263. Flying Pages Europe SARL, 2015. ISSN 1368-485X
  2. 1 2 ULPower Aero Engines. "UL390i". ulpower.com. Retrieved 21 April 2018.
  3. ↑ ULPower Aero Engines. "UL390iS". ulpower.com. Retrieved 21 April 2018.
  4. ↑ ULPower Aero Engines. "UL390iSA". ulpower.com. Retrieved 21 April 2018.
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