OSHKOSH 2005

"Authorized Distributor" for DeltaHawk Engines LLC

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V-4 Aviation Turbo Diesel Specifications:

CONFIGURATION

  • upright 90 degree V-4, turbocharged, direct  drive, two-stroke diesel with oil pump and external air-oil separator/sump
  • top profile is 3.5 inches higher at the cylinder tops than an IO-360 Lycoming, referenced from the  crankshaft
  • engine width under 24 inches

COOLING

  • liquid cooled

FUEL

  • jet-A (JP5) fuel, or #2 diesel where ambient temperatures are high enough to avoid gelling (above 20 degrees F)

POWER

  • 160 and 200 hp models, at 2,700 rpm, Displacement 3.3 Liter
  • possible higher horsepower V-4 version (lower  TBO)

FUEL
CONSUMPTION

  • BSFC = .39 lb/hp/hr
  • for a 1,000 nm trip in a Velocity at 65% power,  this translates to:
    • 40.9 gal Jet A for the V-4, versus
    • 57.3 gal 100LL for Lycoming IO-360

WEIGHT

  • currently about 327 lbs including starter, oil pump, fuel pump, water pump, turbocharger, all internal lines and internal exhaust system

RELIABILITY

  • lower part count and fewer potential leakage points than the current  4-cylinder gasoline-powered aircraft  engines:
    • no cam shaft or valve train
    • no head gaskets to blow and no head  bolts
  • fully doweled, four bolt main construction (12 studs)
  • inherently stout block and compact V-4 design
  • no ignition system

OTHER DESIGN
CHARACTERISTICS

  • single-lever power control
  • configured for fixed or variable pitch propellers  (propeller governor pad provided)
  • vacuum pump pad provided
  • limited operation at reduced power without coolant
  • limp-home capability without turbocharger, supplying approximately 100 hp with backup air
  • no electromagnetic interference at normal  operating altitudes
  • provisions for cold weather starting
  • TBO of 2,000 hours (estimated)
  • target price 30-50% under current competition

B A C K 

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