Kinner R-5
The Kinner R-5 is an American five cylinder radial engine for light general and sport aircraft of the 1930s.
Design and development
The R-5 was a development of the earlier Kinner B-5, with slightly greater power and dimensions. The main change was the increase in cylinder bore from 117 mm (4.625 in) to 127 mm (5 in) and an increase in piston stroke from 133.3 mm (5.25 in) to 139.7 mm (5.5 in). This led to a corresponding increase in displacement from 7.2 liters (441 cu in) to 8.8 liters (540 cu in). The R-5 was a rough running but reliable engine. Thousands of the R-5 and its derivatives were produced, powering many World War II trainer aircraft. Its military designation was R-540.
Applications
- Fleet Finch Model R
- Howard DGA-18
- Kinner Sportwing
- Kinner Playboy
- Meyers OTW
- N2T Tutor
- Ryan PT-22 Recruit
Variants
- R-5
- R-53
- R-55
- R-56
Specifications (Kinner R-5)
Data from Jane's all the World's Aircraft 1938[1]
General characteristics
- Type: 5-cylinder air cooled radial
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Components
- Valvetrain: 1 inlet and 1 exhaust valve per cylinder
- Fuel system: 1 Stromberg carburetor
- Fuel type: 73 octane
- Oil system: Dry sump
- Cooling system: Air
Performance
- Power output: 160hp at 1,850 RPM max/113hp at 1,800 RPM cruise
- Compression ratio: 5.5:1
- Power-to-weight ratio: 0.48 hp/lb
See also
Related development
Comparable engines
Related lists
References
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Further reading
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External links
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