• Source: Kinner C-5

The 5.180.24.3/info/kinner" target="_blank">Kinner 5.180.24.3/info/c" target="_blank">C-5 was an American five cylinder radial engine for small general and sport aircraft of the 1930s.




Design and development


The 5.180.24.3/info/c" target="_blank">C-5 was a development of the earlier R-5 with greater power and dimensions. The main change was the increase in cylinder bore from 128 mm (5.0 in) to 143 mm (5.625 in) and an increase in cylinder stroke from 140 mm (5.5 in) to 145 mm (5.75 in). This led to a corresponding increase in displacement from 8.85 liters (540 cu in) to 11.71 liters (715 cu in).
The U.S. military designation was R-720.




Applications


Consolidated YPT-11B
Kellett K-3
5.180.24.3/info/kinner" target="_blank">Kinner P
Stearman 6H Cloudboy
Stearman YPT-9C
Verville YPT-10D
Waco OSO
Waco OEC
Waco ODC
Waco OBF
Waterman FlexWing




Specifications


Data from Jane's All the World's Aircraft 1938




= General characteristics

=
Type: 5-cylinder air cooled radial
Bore: 5.625 in (143 mm)
Stroke: 5.75 in (145 mm)
Displacement: 715 cu in (11.71 liters)
Length: 34.8in (884 mm)
Diameter: 50 in (1,270 mm)
Dry weight: (dry) 420 lb (190 kg)




= Components

=
Valvetrain: 1 inlet and 1 exhaust valve per cylinder
Fuel system: 1 Stromberg carburetor
Fuel type: 73 octane
Cooling system: Air




= Performance

=
Power output: maximum 245 hp at 2,200 rpm, cruise 210 hp at 1,900 rpm
Compression ratio: 5.25:1
Specific fuel consumption: 0.6 lb (273 gm) /hp/hr
Oil consumption: 0.015 lb (7 gm) /hp/hr




See also



Related lists

List of aircraft engines




References

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