Rahul Sharma (Editor)

Packard 1A 1500

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

Contents

Applications

  • Boeing Model 15
  • Boeing XP-4
  • Curtiss Falcon
  • Douglas XO-2
  • Loening OL

    • General characteristics

  • Type: 12-cylinder liquid-cooled Vee 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

  • Valvetrain: Four valves per cylinder, overhead camshaft
  • Cooling system: Liquid-cooled

    • Performance

  • Power output: 520 hp (387.8 kW) at 2,200 rpm for takeoff
  • Specific power: 0.27 hp/in3 (12.4 kW/L)
  • Power-to-weight ratio: 0.53 hp/lb (0.87 kW/kg)

    • References

    Packard 1A-1500 Wikipedia
    (Text) CC BY-SA