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The Continental O-300 and the C145 are a family of air-cooled
The C-145 was developed from the C-125 engine. Both powerplants share the same crankcase, although the C-145 produces an additional through a longer piston stroke, higher compression ratio of 7.0:1 and different carburetor jetting.
The O-300 is a modernized C-145 and retains the same weight, dimensions, bore, stroke, compression ratio, displacement and output power of the earlier engine.
Flight Global, 21 March 1963, p. 399
/ref> ;GO-300 :Geared O-300, at 3200 crankshaft rpm, 2400 propeller rpm. ;GO-300-A : ;GO-300-C : ;GO-300-D : ;Voyager 300 :Liquid-cooled, fuel-injected version developing at 2,700 rpm. ;Rolls-Royce-Continental O-300:Licence production in the
flat-6
A flat-six engine, also known as a horizontally opposed-six, is a six-cylinder piston engine with three cylinders on each side of a central crankshaft. The most common type of flat-six engine is the boxer-six engine, where each pair of opposed cy ...
aircraft piston engines built by Teledyne Continental Motors
Continental Aerospace Technologies is an aircraft engine manufacturer located at the Brookley Aeroplex in Mobile, Alabama, United States. It was originally spun off from automobile engine manufacturer Continental Motors Company in 1929 and own ...
.Christy, Joe: ''Engines for Homebuilt Aircraft & Ultralights'', pages 60-63. TAB Books, 1983.
First produced in 1947, versions were still in production . It was produced under licence in the United Kingdom
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the European mainland, continental mainland. It comprises England, Scotlan ...
by Rolls-Royce
Rolls-Royce (always hyphenated) may refer to:
* Rolls-Royce Limited, a British manufacturer of cars and later aero engines, founded in 1906, now defunct
Automobiles
* Rolls-Royce Motor Cars, the current car manufacturing company incorporated in ...
in the 1960s.
Development
The C-145 was developed from the C-125 engine. Both powerplants share the same crankcase, although the C-145 produces an additional through a longer piston stroke, higher compression ratio of 7.0:1 and different carburetor jetting.
The O-300 is a modernized C-145 and retains the same weight, dimensions, bore, stroke, compression ratio, displacement and output power of the earlier engine.
GO-300
The GO-300 employs a reductiongearbox
Propulsion transmission is the mode of transmitting and controlling propulsion power of a machine. The term ''transmission'' properly refers to the whole drivetrain, including clutch, gearbox, prop shaft (for rear-wheel drive vehicles), differe ...
, so that the engine turns at 3200 rpm to produce a propeller rpm of 2400. The GO-300 produces whereas the ungeared O-300 produces .
The GO-300 engine has a TBO (Time Between Overhaul) of 1200 hours, while 1800 hours is the standard for ungeared O-300 engines. The GO-300 engine suffered reliability problems as a result of pilots mishandling the engine and operating it at too low an engine rpm. This caused the Cessna Skylark to develop a poor reputation for engine reliability. Many Skylarks flying today have been converted to different, larger-displacement, direct-drive engines.
Variants
;C145 :Six-cylinder, , direct-drive engine. ;C145-2: ;O-300 :Modernized C145, , direct drive engine. ;O-300-A : ;O-300-B : ;O-300-C : ;O-300-D : ;O-300-E :Limited production for the Beagle B.218X twin that never went into production/ref> ;GO-300 :Geared O-300, at 3200 crankshaft rpm, 2400 propeller rpm. ;GO-300-A : ;GO-300-C : ;GO-300-D : ;Voyager 300 :Liquid-cooled, fuel-injected version developing at 2,700 rpm. ;Rolls-Royce-Continental O-300:Licence production in the
United Kingdom
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the European mainland, continental mainland. It comprises England, Scotlan ...
.
Applications
O-300
*Aeronca Sedan
The Aeronca 15AC Sedan is a four-seat, fixed conventional gear light airplane which was produced by Aeronca Aircraft between 1948 and 1951. Designed for personal use, the Sedan also found applications in utility roles including bush flying. The ...
* Baumann Brigadier
* Cessna 160 - intended for production model
* Cessna 170
The Cessna 170 is an American light, single-engined, general aviation aircraft produced by the Cessna Aircraft Company between 1948 and 1956.
It is the predecessor of the Cessna 172, the most produced aircraft in history, which replaced ...
* Cessna 172
The Cessna 172 Skyhawk is an American four-seat, single-engine, high wing, fixed-wing aircraft made by the Cessna Aircraft Company.T-41 Mescalero
The Cessna T-41 Mescalero is a military version of the popular Cessna 172, operated by the United States Air Force and Army, as well as the armed forces of various other countries as a pilot-training aircraft.
Design and development
In 1964, ...
* Maule M-4
The Maule M-4 is an American four-seat cabin monoplane designed by Belford Maule and built by the Maule Aircraft Company.
Design and development
The design of the M-4 was started in 1956 by Belford Maule and the prototype ''Bee Dee'' first ...
* Meyers MAC-145
* Taylorcraft 15
Taylorcraft Aviation is an airplane manufacturer that has been producing aircraft for more than 70 years in several locations.
The company builds small single-engined airplanes. The Taylorcraft design is a conventional layout: high-wing, fab ...
* Temco TE-1A
The Temco T-35 Buckaroo (company designation TE-1) was designed in the late 1940s as an extremely low-cost trainer for commercial and military markets. Temco's failure to secure a United States Air Force order for the Buckaroo forced it to turn ...
GO-300
*Cessna 175
The Cessna 175 Skylark is a four-seat, single-engine, high-wing airplane produced by Cessna between 1958 and 1962.
Production history
The 175 was designed to fill a niche between the Cessna 172 and the faster Cessna 182. The engine of the 17 ...
* Goodyear GZ-19 and GZ-19A
Voyager 300
*Alexeev Strizh Alexeyev, Alekseyev, Alexeiev, Alexeev or Alekseev (russian: Алексе́ев) is a common Russian surname that is derived from the male given name Alexey (Алексей) and literally means ''Alexey's''. Often the same name appears in English i ...
Specifications (O-300)
Reference: ''Engines for Homebuilt Aircraft & Ultralights''See also
References
{{US military piston aeroengines Boxer engines 1940s aircraft piston engines O-300