ULPower UL520i

The ULPower UL520i 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, 5254 cc displacement, air-cooled, direct-drive, gasoline engine design. It employs dual electronic ignition and produces 180 to 200 hp at 3300 rpm.

Variants

 * UL520i
 * Base model with fuel injection and a compression ratio of 8:1, producing 180 hp at 3300 rpm


 * UL520iS
 * Model with 8.7:1 compression ratio, fuel injection, producing 200 hp at 3300 rpm


 * UL520iST
 * Model under development, fuel injection, turbo-normalizer, producing 220 hp at 2700 rpm sea level


 * UL520iSA
 * Inverted oil system version of the UL520iS, producing 200 hp at 3300 rpm


 * UL520iHPS
 * Model under development


 * UL520iSRR
 * Model with reversed rotation, 8.7:1 compression ratio, fuel injection, producing 200 hp at 3300 rpm

Applications

 * Whisper X350 Generation II
 * DarkAero 1