The ULPower UL520i is a Belgian aircraft engine, designed and produced by ULPower Aero Engines of Geluveld for use in homebuilt aircraft.Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, pages 262-263. Flying Pages Europe SARL, 2015.
Design and development The engine is a six-cylinder four-stroke, horizontally-opposed, displacement, air-cooled, direct-drive, gasoline engine design. It employs dual electronic ignition and produces at 3300 rpm.
Variants UL520i Base model with fuel injection and a compression ratio of 8:1, producing at 3300 rpm UL520iS Model with 8.7:1 compression ratio, fuel injection, producing at 3300 rpm UL520iST Model under development, fuel injection, turbo-normalizer, producing at 2700 rpm sea level UL520iSA Inverted oil system version of the UL520iS, producing at 3300 rpm UL520iHPS Model under development UL520iSRR Model with reversed rotation, 8.7:1 compression ratio, fuel injection, producing at 3300 rpm
Applications Whisper X350 Generation II DarkAero 1
Specifications (UL520i)
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References
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