The Franklin O-235 (company designation 4A-235 and Sport 4) is an American air-cooled aircraft engine that first ran in the mid-1960s. The engine is of
four-cylinder, horizontally-opposed layout and
displaced . The power output is nominally .
Variants
;4A-235: at 2,800 rpm
;Sport 4: at 2,800 rpm
Applications
*
Duruble Edelweiss
*
Hollman Sportster
The ADI Sportster is a two-seat gyroplane that has been marketed in plans form for homebuilding since 1974 by Aircraft Designs Inc.Downey, Julia: ''2005 Trikes 'Chutes and Rotorcraft Directory'', Kitplanes, Volume 22, Number 2, February 2005, pag ...
*
MacFam Cavalier
The MacFam Cavalier is a homebuilt aircraft designed by Stan McLeod, developed through a progressing series of models, all using all-wooden construction. The model range includes the SA102, SA102.5, SA103, SA104 and the SA105.Plane and Pilot: ...
*
Practavia Sprite
The Practavia Sprite is a British two-seat homebuilt training or touring monoplane designed for amateur construction. It was the winning entry in a competition sponsored by ''Pilot'' magazine in 1968. The design had been begun as a magazine-spon ...
*
PZL-110 Koliber
The SOCATA Rallye ( en, Rally) is a light aircraft that was manufactured by French aviation company SOCATA. It was originally developed during the 1950s by French aircraft manufacturer Morane-Saulnier as the MS.880.
On 10 June 1959, the prototype ...
*
Rallye-Club
*
Skystar Kitfox
The Denney Kitfox is a series of small side-by-side, two-seat, high-wing, single engine kit aircraft, designed and originally manufactured by Dan Denney and his company Denney Aerocraft of Boise, Idaho. The aircraft is amateur-built and ...
*
Stewart Foo Fighter
The Stewart Foo Fighter JD2FF is a single-seat biplane homebuilt aircraft design that emulates fighter aircraft of World War I.
Design and development
The Foo Fighter was developed using similar construction features as the Stewart Headwind. The ...
Specifications (4A4-235)
See also
References
;Notes
;Bibliography
* Gunston, Bill. (1986) ''World Encyclopedia of Aero Engines''. Patrick Stephens: Wellingborough. p. 57
{{Franklin aeroengines
Franklin aircraft engines
1960s aircraft piston engines
Boxer engines