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, 3888 cc displacement, air-cooled, direct-drive, gasoline engine design. It employs dual electronic ignition and produces 140 to 160 hp at 3300 rpm.

Variants

 * UL390i
 * Base model with fuel injection and a compression ratio of 8.2:1, producing 140 hp at 3300 rpm


 * UL390iS
 * Model with fuel injection and a 9.1:1 compression ratio, producing 160 hp at 3300 rpm


 * UL390iA
 * Inverted oil system version of the UL390iS, producing 160 hp at 3300 rpm