The ULPower UL350i is a Belgian aircraft engine, designed and produced by ULPower Aero Engines of Geluveld for use in ultralight and homebuilt aircraft.[1]

UL350i
Type Aircraft engine
National origin Belgium
Manufacturer ULPower Aero Engines

Design and development

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The engine is a four-cylinder, four-stroke, horizontally-opposed, 3,503 cc (213.8 cu in), air-cooled, direct drive, gasoline engine design. It employs dual electronic ignition, multi-point EFI and produces 118 hp (88 kW) at 3300 rpm.[1][2]

Variants

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UL350i
Base model that produces 118 hp (88 kW) at 3300 rpm.[1][2]
UL350iS
Higher compression model that produces 130 hp (97 kW) at 3300 rpm.[3]
UL350iSA
Same as UL350iS but with inverted oil system for aerobatic use.[4]
UL350iHPS
Special version for helicopter use. It produces 150 hp (112 kW) at 3500 rpm.[5]

Applications

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Specifications (ULPower UL350i)

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Data from World Directory of Leisure Aviation 2011-12 and manufacturer[1][2][6]

General characteristics

  • Type: Four cylinder, four stroke aircraft engine
  • Bore: 105.6 mm (4.2 in)
  • Stroke: 100 mm (3.9 in)
  • Displacement: 3,503 cc (213.8 cu in)
  • Length: 553 mm (21.8 in)
  • Width: 735 mm (28.9 in)
  • Height: 500 mm (19.7 in)
  • Dry weight: 80 kg (176.4 lb)

Components

  • Fuel type: Regular unleaded automotive gasoline, minimum 95 Octane RON (87 MON = 91 AKI) or 100LL avgas may be used
  • Cooling system: air

Performance

  • Power output: 118 hp (88 kW) at 3300 rpm
  • Compression ratio: 8.0:1 and 8.7:1 (S versions)

See also

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Related development

Related lists

References

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  1. ^ a b c d Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, pages 242-243. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
  2. ^ a b c "UL350i". ulpower.com. Retrieved 16 July 2015.
  3. ^ "UL350iS". ulpower.com. Retrieved 16 July 2015.
  4. ^ "UL350iSA". UL350iSA. Retrieved 28 February 2019.
  5. ^ "UL350iHPS". UL350iHPS. Retrieved 28 February 2019.
  6. ^ ULPower (15 September 2014). "Operating Manual" (PDF). ulpower.com. Retrieved 16 July 2015.
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