1A-1500
Type Liquid-cooled V-12 piston engine
Manufacturer Packard
First run 1924
Number built 29

The Packard 1A-1500 was an American 12-cylinder liquid-cooled 60-degree Vee piston aircraft engine designed in 1924.[1] Test flown in the second prototype Douglas XO-2 it proved to be unreliable. Only 29 engines were built.

Applications

Specifications (1A-1500)

Data from STATISTICS OF ALL THE AERO ENGINES OF PACKARD[2]

General characteristics

  • Type: V-12 liquid-cooled piston aircraft engine
  • Bore: 5+38 in (136.5 mm)
  • Stroke: 5+12 in (139.7 mm)
  • Displacement: 1,498 in3 (24.5 L)
  • Dry weight: 720 lb (326.5 kg)

Components

Performance

  • Power output: 500 hp (370 kW) at 2,000 rpm maximum continuous;520 hp (390 kW) at 2,200 rpm for takeoff
  • Specific power: 0.347 hp/cu in (15.8 kW/L)
  • Power-to-weight ratio: 0.722 hp/lb (1.187 kW/kg)

See also

Comparable engines

Related lists

References

Notes

  1. Gunston 1989, p.109.
  2. Neal, Bob. "STATISTICS OF ALL THE AERO ENGINES OF PACKARD" (PDF). Aircrqaft Engine Historical Society. Washington D.C. Retrieved 20 January 2018.

Bibliography

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