- Source: ULPower UL390i
The ULPower UL390i is a Belgian aircraft engine, designed and produced by ULPower Aero Engines of Geluveld for use in homebuilt aircraft.
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.
Variants
UL390i
Base model with fuel injection and a compression ratio of 8.2:1, producing 140 hp (104 kW) at 3300 rpm
UL390iS
Model with fuel injection and a 9.1:1 compression ratio, producing 160 hp (119 kW) at 3300 rpm
UL390iA
Inverted oil system version of the UL390iS, producing 160 hp (119 kW) at 3300 rpm
Specifications (UL390i)
Data from Tacke and manufacturer
= 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
Aircraft of comparable role, configuration, and era
CAMit 3300
Jabiru 3300
Related lists
List of aircraft engines
References
External links
Official website
