The E-113 was a small flat-twin piston engine developed by

Aeronca Aeronca, contracted from Aeronautical Corporation of America, located in Middletown, Ohio, is a US manufacturer of engine components and airframe structures for commercial aviation and the defense industry, and a former aircraft manufacturer. ...

for use in some of their light aircraft. It was an

overhead valve An overhead valve engine, abbreviated (OHV) and sometimes called a pushrod engine, is a piston engine whose valves are located in the cylinder head above the combustion chamber. This contrasts with flathead (or "sidevalve") engines, where the v ...

development of the flathead configuration E-107.

Design and development

Originally fitted with a single ignition system, this was uprated to dual ignition when changes in FAA regulations made this mandatory in 1939. By that time, however, both the engine and the aircraft that it powered were facing obsolescence. Altogether, some 1,800 examples were built. Following an incident in October 2015, where the propeller detached from a J-99 variant Aeronca C3, the

Light Aircraft Association The Light Aircraft Association (LAA) is the representative body in the United Kingdom for amateur aircraft construction, and recreational and sport flying. It oversees the construction and maintenance of homebuilt aircraft, under an approval from ...

has issued an advisory that all aircraft fitted with these engines have the crankshaft attachment inspected prior to flying again. This issue was first recognised in 1939.

Variants

;E-113A:Standard production model delivering 36-45 hp (26.85 - 33.56 kW) ;E-113C:Uprated engine delivering 40-45 hp (29.83 - 33.56 kW) ;Aeronca-JAP J-99:The E-113-C was license built in England as the Aeronca-JAP J-99 by J A Prestwich Limited (JAP) and powered several British aircraft types,Lumsden 2003, p.160. differing from the E-113 by being fitted with dual ignition. ;O-113:Engines fitted to impressed aircraft were given the designation O-113.

Applications

E-113

Aeronca C-3 The Aeronca C-3 was a light plane built by the Aeronautical Corporation of America in the United States during the 1930s. Design and development Its design was derived from the Aeronca C-2. Introduced in 1931, it featured room for a passenger s ...

Aeronca K The Aeronca Model K Scout is an American light airplane first marketed in 1937, and was the true successor to the popular Aeronca C-2, C-2/Aeronca C-3, C-3 line. Design In January 1937, Aeronca unveiled the Model K, a replacement for the company ...

* Welch OW-6M

J-99

* Aeronca 100 * Aeronca 300 * Britten-Norman BN-1 *

Currie Wot The Currie Wot (pronounced as ''"what"'') was a 1930s British single-seat aerobatic biplane aircraft. Plans were sold for home building of the aircraft. Design and development The Wot was designed by J R (Joe) Currie, and two examples were bui ...

Dart Kitten The Dart Kitten was a British-built ultra-light aircraft of the 1930s. Design and development The Dart Kitten was designed by A.R. Weyl in 1936 and built by Dart Aircraft Ltd at Dunstable, Bedfordshire. It is an ultra-light single-seat low-wi ...

* Hants and Sussex Aviation Herald *

Heath Parasol The Heath Parasol is an American single or two seat, open-cockpit, parasol winged, homebuilt aircraft, homebuilt monoplane. Design and development In 1926, Edward Bayard Heath, a successful American air racer and the owner of an aircraft parts ...

* Hillson Praga *

Luton Minor The Luton L.A.4 Minor was a 1930s British single-seat high-wing ultra-light aircraft. The prototype was built by the Luton Aircraft Limited, and design plans were later adapted and copies sold for homebuilding. Design and development The L.A. ...

Peterborough Ely Peterborough ( ) is a cathedral city in the City of Peterborough district in the ceremonial county of Cambridgeshire, England. The city is north of London, on the River Nene. As of the 2021 census, Peterborough had a population of 192,178, whi ...

Slingsby Motor Tutor The Slingsby T.29 Motor Tutor was a single-seat motor glider produced from 1948, by Slingsby Sailplanes in Kirbymoorside, Yorkshire. Design and development Utilising the wings, struts and tail unit of the T.8 Kirby Tutor, the T.29 Motor Tutor ...

* Taylor J.T.1 *

Tipsy Junior The Avions Fairey Junior, also known as the Tipsy Junior was a single-seat light aircraft built in Belgium following World War II. Development The Junior was one of a series of light aircraft designed by and named after Ernest Oscar Tips, E.O.Tip ...

Engines on display

*An Aeronca E-113 is on public display at the

Aerospace Museum of California The Aerospace Museum of California is a private non-profit aviation museum located in McClellan, California, outside of Sacramento, California, on the grounds of the former McClellan Air Force Base. History Founded as the Air Force Logistics Mus ...

Specifications (E-113)

References

Notes

Bibliography

* Lumsden, Alec. ''British Piston Engines and their Aircraft''. Marlborough, Wiltshire: Airlife Publishing, 2003. . * Trainor, Todd. ''Aeronca K and Aeronca Engines'
website
* 1938 Aeronca engine manual (online copy availabl

{{Aeronca aeroengines Boxer engines 1930s aircraft piston engines