The Kinner R-5 is an American five cylinder

radial engine The radial engine is a reciprocating type internal combustion engine configuration in which the cylinders "radiate" outward from a central crankcase like the spokes of a wheel. It resembles a stylized star when viewed from the front, and is ...

for light general and sport aircraft of the 1930s.

Design and development

The R-5 was a development of the earlier

Kinner B-5 The Kinner B-5 was a popular five cylinder American radial engine for light general and sport aircraft of the 1930s. Design and development The B-5 was a development of the earlier K-5 with slightly greater power and dimensions. The main change ...

, 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 World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...

trainer aircraft. Its military designation was R-540.

Applications

* Fleet Finch Model R *

Howard DGA-18 __NOTOC__ The Howard DGA-18 was an American two-seat basic training aircraft designed and built by the Howard Aircraft Corporation for the United States Civil Pilot Training Program. Design The DGA-18 was a low-wing cantilever monoplane with tw ...

Kinner Sportwing The Kinner Sportwing was a 1930s American light monoplane built by Kinner Airplane & Motor Corporation. Design and development The Sportwing was an improved version of the companies earlier Sportster designed by Max Harlow. An enlarged four-sea ...

Kinner Playboy The Kinner R Playboy was a 1930s American two-seat sporting monoplane built by Kinner Airplane & Motor Corporation. Design and development The Playboy was a two-seat (side-by-side) sporting monoplane designed by Max B. Harlow and built by the ...

Meyers OTW Meyers is a surname of English origin; many branches of the Meyers family trace their origins to Anglo-Saxon England. The name is derived from the Old French name ''Maire'', meaning "mayor", or an officer in charge of legal matters. The English ...

* N2T Tutor *

Ryan PT-22 Recruit The Ryan PT-22 Recruit, the main military version of the Ryan ST, is a military trainer aircraft used by the United States Army Air Corps during WWII for primary pilot training. Design and development The PT-22's fuselage is a simple monocoque ...

Variants

;R-5: ;R-53: ;R-55: ;R-56:

Specifications (Kinner R-5)

References

External links

* http://www.oldengine.org/members/diesel/Duxford/usaero4.htm {{US military piston aeroengines 1930s aircraft piston engines Aircraft air-cooled radial piston engines