Lycoming DEL-120

The DEL-120 is an aircraft diesel engine produced by Lycoming Engines. Using automotive technology and initially powering unmanned aircraft, it is comparable to the IO-360 gasoline engine.[1]

Applications

Specifications

Data from Lycoming[2]

General characteristics

  • Type: four stroke, four cylinder compression-ignition
  • Bore: 3.2 in (82 mm)
  • Stroke: 3.6 in (90.4 mm)
  • Displacement: 1,910 cm3 (117 cu in)
  • Dry weight: 360 lb (160 kg) dry
  • Designer: FIAT via DieselJet[3]

Components

Performance

  • Power output: Take-Off: 205 hp (153 kW), Max Continuous (90%): 180 hp (134 kW), both at 2101 propeller RPM
  • Specific power: 1.206 hp/cu in (54.9 kW/L)
  • Compression ratio: 16.5:1
  • Fuel consumption: 64.8 lb/h (29.4 kg/h) at Max Continuous
  • Specific fuel consumption: 0.36 lb/hp/h (220 g/kW/h) at Max Continuous, 0.345 lb/hp/h (210 g/kW/h) in Cruise (60% PLA, 1770 propeller RPM)
  • Power-to-weight ratio: 0.57 hp/lb (0.94 kW/kg)

References

  1. ↑ Paul Bertorelli (March 25, 2014). "Lycoming Diesel Details". AVweb.
  2. ↑ "DEL-120". Lycoming Engines.
  3. ↑ "Lycoming's Diesel". Aviation Consumer. February 2015.
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