Continental O-170

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The Continental O-170 engine was made by Continental Motors in the 1940s. The flat-4 was capable of producing 65-hp (48-kW). It became a powerplant for small planes serving both civilian and military roles.

[edit] Specifications (O-170-3 or A-65-8)

General characteristics

• Type: 4-cylinder air-cooled horizontally opposed aircraft piston engine
• Bore: 3.875 in (98 mm)
• Stroke: 3.625 in (92 mm)
• Displacement: 171 in³ (2.8 L)
• Length: 31 in (787 mm)
• Width: 31.5 in (800 mm)
• Height: 29 5/16 in (745 mm)
• Dry weight: 170 lb (77 kg)

Components

• Valvetrain: One intake and one exhaust valve per cylinder, pushrod-actuated.
• Fuel system: Updraft carburetor
• Fuel type: 73 octane avgas
• Oil system: Wet sump
• Cooling system: Air-cooled

Performance

• Power output: 65 hp (48 kW) at 2,300 rpm
• Specific power: 0.38 hp/in³ (17.1 kW/L)
• Compression ratio: 6.3:1
• Power-to-weight ratio: 0.38 hp/lb (0.62 kW/kg)

[edit] References

• Donald, David (1995). American Warplanes of World War II. New York: Barnes & Noble Books. ISBN 0-7607-2274-9. 

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