|Type||Liquid-cooled V-12 piston engine|
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.
Data from STATISTICS OF ALL THE AERO ENGINES OF PACKARD
- 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)
- 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)
- Gunston 1989, p.109.
- Neal, Bob. "STATISTICS OF ALL THE AERO ENGINES OF PACKARD" (pdf). Aircrqaft Engine Historical Society. Washington D.C. Retrieved 20 January 2018.