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Beardmore 120 hp

beardmore-120


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.

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)

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

 

 


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