Misplaced Pages

AD.3
Preserved Salmson 3 Ad engine at the Deutsches Museum Flugwerft Schleissheim
Type	Radial engine
National origin	France
Manufacturer	Salmson

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.

Applications (3 Ad)

• Adaridi AD 3
• Farman Aviette
• Peyret-Nessler Libellule

Engines on display

A preserved Salmson 3 Ad engine is on public display at the Deutsches Museum, Munich.

Specifications (AD.3)

Data from Flight, 21 February 1924.

General characteristics

• 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)

Components

• Valvetrain: Two overhead valves per cylinder, pushrod operated
• Fuel system: Claudel carburettor
• Oil system: Pressure lubrication
• Cooling system: Air-cooled
• Reduction gear: Direct drive

Performance

• 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)

See also

Comparable engines

• Blackburne Thrush
• Bristol Lucifer
• Szekely SR-3

Related lists

• List of aircraft engines

References

Notes

1. "Some French light 'plane engines". Flight. 16 (8): 104–5. 21 February 1924.

• 1920s aircraft piston engines
• Aircraft air-cooled radial piston engines
• Salmson aircraft engines