Packard 1A-1500

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 3⁄8 in (136.5 mm)
  • Stroke: ​5 1⁄2 in (140 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

  • Gunston, Bill. World Encyclopedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. ISBN 1-85260-163-9
  • Aircraft Engine Historical Society
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