Lorraine 5P
The Lorraine 5P, also called the Lorraine 100CV, Lorraine 110CV and Lorraine 120CV, was a family of five-cylinder air-cooled radial engines designed and built in France by Lorraine-Dietrich during the 1920s and 1930s. Nominal engine powers were given as 100–110–120 hp (75–82–89 kW) at 1250 / 1400 / 1350 rpm (maximum continuous power), with maximum outputs of 108–125–150 hp (81–93–112 kW) at 1350 / 1650 / 1700 rpm.
Variants
- 5Pa
- also called the Lorraine 100CV, 8.59 litres (524.19 cu in) (125x140)
- 5Pb
- also called the Lorraine 110CV, 8.59 litres (524.19 cu in) (125x140)
- 5Pc
- also called the Lorraine 120CV, 9.3 litres (567.52 cu in) (130x140)
Applications
Specifications (5Pc)
Data from Societe Generale Aeronautique[1]
General characteristics
- Type: 5-cylinder air-cooled radial piston engine, left hand rotation (facing the propeller)
- Bore: 130 mm (5.12 in)
- Stroke: 140 mm (5.51 in)
- Displacement: 9.3 l (567.52 cu in)
- Length: 970 mm (38.19 in)
- Diameter: 1,125 mm (44.29 in)
- Dry weight: 156.35 kg (344.7 lb)
Components
- Valvetrain: pushrod operated overhead valves, two per cylinder
- Oil system: pressure fed
- Cooling system: air-cooled
Performance
- Power output: 150 hp (110 kW) at 1700 rpm (maximum)
- 120 hp (89 kW) at 1350 rpm (maximum continuous)
References
Notes
Bibliography
- Revue de la Societe Generale Aeronautique (PDF) (in French). Paris: Societe Generale Aeronautique. November 1932. pp. 22–24. Archived from the original (PDF) on October 17, 2014. Retrieved 12 October 2014.
- Gunston, Bill (1989). World Encyclopaedia of Aero Engines (2nd ed.). Cambridge, England: Patrick Stephens Limited. ISBN 978-1-85260-163-8.
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