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The Kinner R-5 is an American five cylinder radial engine for light general and sport aircraft of the 1930s.

R-5
Kinner R-5 (Series-2) engine, in the Oregon Air and Space Museum
Type	Radial engine
Manufacturer	Kinner Airplane & Motor Corporation
Developed from	Kinner B-5
Developed into	Kinner C-5

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
• Bore: 5 in (130 mm)
• Stroke: 5.5 in (140 mm)
• Displacement: 540 cu in (8.8 l)
• Length: 32.3 in (820 mm)
• Height: 45.6 in (1,160 mm)
• Dry weight: 330 lb (150 kg)

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

• Kinner B-5

Comparable engines

• Armstrong Siddeley Mongoose
• Shvetsov M-11
• Warner Super Scarab
• Wright R-540

Related lists

• List of aircraft engines

References

Wikimedia Commons has media related to Kinner R-5.

Further reading

• Gunston, Bill (1986). World Encyclopedia of Aero Engines. Wellingborough: Patrick Stephens. pp. 99–100.

External links

• http://www.oldengine.org/members/diesel/Duxford/usaero4.htm

На других языках

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[de] Kinner R-5

Der Kinner R-5 ist ein Fünfzylinder-Sternmotor des US-amerikanischen Herstellers Kinner Airplane & Motor Corporation für Leichtflugzeuge aus den 1930er Jahren.

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- [en] Kinner R-5

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[fr] Kinner R-5

Le Kinner R-5 était un moteur cinq cylindres en étoile américain pour avions légers et avions de sport des années 1930.

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