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A flat-sixteen engine, also known as a horizontally opposed-sixteen, is a sixteen-cylinder
A flat-sixteen engine, also known as a horizontally opposed-sixteen, is a sixteen-cylinder piston engine
A reciprocating engine, also often known as a piston engine, is typically a heat engine that uses one or more reciprocating pistons to convert high temperature and high pressure into a rotating motion. This article describes the common featu ...
with eight cylinders on each side of a central crankshaft
A crankshaft is a mechanical component used in a piston engine to convert the reciprocating motion into rotational motion. The crankshaft is a rotating shaft containing one or more crankpins, that are driven by the pistons via the connecting ...
.
Flat-sixteen engines are less common than V16 engine
A V16 engine is a sixteen-cylinder piston engine where two banks of eight cylinders are arranged in a V configuration around a common crankshaft. V16 engines are less common than engines with fewer cylinders, such as V8 and V12 engines. Each ban ...
s, with only a couple of prototype racing engines using a flat-sixteen layout.
Design
These engines had twoconnecting rod
A connecting rod, also called a 'con rod', is the part of a piston engine which connects the piston to the crankshaft. Together with the crank, the connecting rod converts the reciprocating motion of the piston into the rotation of the cranksh ...
s per crankpin
A crankpin or crank pin, also known as a rod bearing journal, is a mechanical device in an engine which connects the crankshaft to the connecting rod for each cylinder. It has a cylindrical surface, to allow the crankpin to rotate relative to the ...
, so they could also be referred to as a 180 degree V16, rather than a boxer configuration as used by most flat engines with six cylinders or less.
Coventry Climax FWMW
The Coventry Climax FWMW was a prototype flat-sixteen engine designed between 1963 and 1965 that was intended for use in Formula One. TheBrabham
Brabham () is the common name for Motor Racing Developments Ltd., a British racing car manufacturer and Formula One racing team. Founded in 1960 by Australian driver Jack Brabham and British-Australian designer Ron Tauranac, the team won four ...
and Lotus teams designed cars for this engine but it was never raced. This was due to reliability problems in testing and a failure to generate the desired power output.
Porsche 917
In 1971, Porsche developed a flat-sixteen prototype engine to use in the Porsche 917 that competed in the Can-Am championship. The project was abandoned and the 1972 Porsche 917/10K was instead powered by a turbocharged version of Porsche's existing flat-twelve engine.See also
*V16 engine
A V16 engine is a sixteen-cylinder piston engine where two banks of eight cylinders are arranged in a V configuration around a common crankshaft. V16 engines are less common than engines with fewer cylinders, such as V8 and V12 engines. Each ban ...
* W16 engine
A W16 engine is a sixteen-cylinder piston engine with four banks of four cylinders in a W configuration.
W16 engines are rarely produced, with the notable exception of the Volkswagen Group 8.0 WR16 engine, which has been used since 2005 in the ...
References
{{DEFAULTSORT:Flat-Sixteen Engine 16 Piston engine configurations