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Continental O-280
Continental C115
Continental C125
Continental C140

 

The Continental C115, C125 and C140 aircraft engines were made by Continental Motors in the 1940s, all sharing the US military designation O-280. Of flat-6 configuration, the engines produced 115 hp (86 kW) 125 hp (93 kW) or 140 hp (104 kW) respectively.

 

The C115 was in production from 1945 to 1951, the C125 was in production from 1945 to 1952, and the C140 from 1945 to 1946.

 

The C125 has the same crankcase as the Continental C145, although the engines differ in stoke, compression ratio and carburetor jetting. The C125 features a cast iron camshaft and hydraulic tappets.

 

Applications:

C125
Aero-Flight Streak
Baumann Brigadier
Call-Air A-3
Globe Swift
Grumman Tadpole
Hockaday Comet
KZ VII
Meyers MAC-125
Miles Gemini

 

Specification:

C125
Type: 6-cylinder air-cooled horizontally opposed aircraft piston engine
Bore: 4.0625 in (103 mm)
Stroke: 3.625 in (92 mm)
Displacement: 282 in³ (4.6 L)
Length: 39.75 in (101.0 cm)
Width: 31.5 in (80.0 cm)
Height: 23.25 in (59.0 cm)
Dry weight: 286 lb (130 kg)
Cooling system: Air-cooled
Power output: 125 hp (93 kW) at 2,550 rpm
Specific power: 0.44 hp/in³ (20.2 kW/l)
Compression ratio: 6.3:1
Power-to-weight ratio: 0.43 hp/lb (0.72 kW/kg)

 

 


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