ULPower UL520i

Last updated

UL520i
UL520iS installed.jpg
Type Aircraft engine
National origin Belgium
Manufacturer ULPower

The ULPower UL520i is a Belgian aircraft engine, designed and produced by ULPower Aero Engines of Geluveld for use in homebuilt aircraft. [1]

Contents

Design and development

The engine is a six-cylinder four-stroke, horizontally-opposed, 5,254 cc (320.6 cu in) displacement, air-cooled, direct-drive, gasoline engine design. It employs dual electronic ignition and produces 180 to 200 hp (134 to 149 kW) at 3300 rpm. [1]

Variants

UL520i
Base model with fuel injection and a compression ratio of 8:1, producing 180 hp (134 kW) at 3300 rpm [1] [2]
UL520iS
Model with 8.7:1 compression ratio, fuel injection, producing 200 hp (149 kW) at 3300 rpm [3]
UL520iST
Model under development, fuel injection, turbo-normalizer, producing 220 hp (164 kW) at 2700 rpm sea level [4]
UL520iSA
Inverted oil system version of the UL520iS, producing 200 hp (149 kW) at 3300 rpm [5]
UL520iHPS
Model under development [6]
UL520iSRR
Model with reversed rotation, 8.7:1 compression ratio, fuel injection, producing 200 hp (149 kW) at 3300 rpm [7]

Applications

Specifications (UL520i)

Data from Tacke and manufacturer [1] [2]

General characteristics

Components

Performance

See also

Aircraft of comparable role, configuration, and era

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References

  1. 1 2 3 4 Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, pages 262-263. Flying Pages Europe SARL, 2015. ISSN   1368-485X
  2. 1 2 ULPower Aero Engines. "UL520i". ulpower.com. Retrieved 21 April 2018.
  3. ULPower Aero Engines. "UL520iS". ulpower.com. Retrieved 21 April 2018.
  4. Eddy (26 February 2020). "ULPower Aero Engines presents prototype UL520iSTurbo at Sun n Fun and Aero Friedrichshafen". ulpower.news. Archived from the original on 4 March 2020. Retrieved 4 March 2020.
  5. ULPower Aero Engines. "UL520iSA". ulpower.com. Retrieved 21 April 2018.
  6. ULPower Aero Engines. "UL520iHPS". ulpower.com. Retrieved 21 April 2018.
  7. ULPower Aero Engines. "UL520iSRR". ulpower.com. Retrieved 21 April 2018.
  8. "Aircraft". www.darkaero.com. Archived from the original on 9 June 2020. Retrieved 9 June 2020.