The ULPower UL390i is a Belgian aircraft engine, designed and produced by ULPower Aero Engines of Geluveld for use in homebuilt aircraft.[1]
| UL390i | |
|---|---|
| Type | Aircraft engine |
| National origin | Belgium |
| Manufacturer | ULPower |
Design and development edit
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 edit
- 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) edit
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
- Power output: 140 hp (104 kW) at 3300
- Compression ratio: 8.16:1
See also edit
Aircraft of comparable role, configuration, and era
Related lists
References edit
- ^ a b c d Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, pages 262-263. Flying Pages Europe SARL, 2015. ISSN 1368-485X
- ^ a b ULPower Aero Engines. "UL390i". ulpower.com. Retrieved 21 April 2018.
- ^ ULPower Aero Engines. "UL390iS". ulpower.com. Retrieved 21 April 2018.
- ^ ULPower Aero Engines. "UL390iSA". ulpower.com. Retrieved 21 April 2018.