The Salmson AD.3 or Salmson 3 Ad was a French designed, three-cylinder, air-cooled radial aero engine. It was also produced by British Salmson in Great Britain during the 1920s.
Adaridi AD 3
Farman Aviette
A preserved Salmson 3 Ad engine is on public display at the Deutsches Museum, Munich.
Data from Flight, 21 February 1924.
Type: Three-cylinder, single-row, water-cooled radial engine
Bore: 70 mm (2.75 in)
Stroke: 86 mm (3.4 in)
Displacement: 0.993 L (60.6 cu in)
Length: 650 mm (25.6 in)
Diameter: 550 mm (21.6 in)
Dry weight: 34 kg (75 lb)
Valvetrain: Two overhead valves per cylinder, pushrod operated
Fuel system: Claudel carburettor
Oil system: Pressure lubrication
Cooling system: Air-cooled
Reduction gear: Direct drive
Power output: 12 kW (16 hp) at 2,400 rpm
Compression ratio: 5.5.:1
Specific fuel consumption: 250 g (0.55 lb) per horsepower-hour
Oil consumption: 15 g (0.33 lb) per horsepower hour
Power-to-weight ratio: 0.35 kW/kg (0.21 hp/lb)
