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Beardmore 120 hp

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Manufacturer
  
William Beard and Company

The Beardmore 120 hp was a British six-cylinder, water-cooled aero engine that first ran in 1914, it was built by William Beardmore and Company as a licensed-built version of the Austro-Daimler 6. The engine featured cast iron cylinders and mild steel concave pistons. Produced between August 1914 and December 1918, the design powered many World War I aircraft types.

Contents

Applications

  • Airco DH.1
  • Airco DH.3
  • Armstrong Whitworth F.K.3
  • Armstrong Whitworth F.K.8
  • Bristol T.T.A.
  • Cody V
  • Martinsyde Elephant
  • Royal Aircraft Factory F.E.2
  • Royal Aircraft Factory R.E.5
  • Royal Aircraft Factory R.E.7
  • Vickers F.B.14
  • White and Thompson No. 3

    • Specifications (120 hp)

    Data from Lumsden

    General characteristics

  • Type: 6-cylinder, inline, upright piston engine
  • Bore: 5.12 in (130 mm)
  • Stroke: 6.89 in (175 mm)
  • Displacement: 851 cu in (13.145 L)
  • Length: 57 in (1,148 mm)
  • Width: 19.9 in (505 mm)
  • Height: 31.9 in (810 mm)
  • Dry weight: 545 lb (247 kg)

    • Components

  • Valvetrain: Overhead valve
  • Fuel type: Petrol
  • Cooling system: Water-cooled
  • Reduction gear: Direct drive, right-hand tractor

    • Performance

  • Power output: 154 hp (115 kW) at 1,400 rpm (maximum power)
  • Specific power: 0.18 hp/cu in (8.74 kw/L)
  • Compression ratio: 4.85:1
  • Power-to-weight ratio: 0.28 hp/lb (0.46 kW/kg)

    • References

    Beardmore 120 hp Wikipedia
    (Text) CC BY-SA


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