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A flat-four engine, also known as a horizontally opposed-four engine or boxer engine, [1] is a four-cylinder piston engine with two banks of cylinders lying on opposite sides of a common crankshaft. The most common type of flat-four engine is the boxer-four engine, each pair of opposed pistons moves inwards and outwards at the same time.
- Flat engine
Flat-four engines are mostly used in cars (particularly in...
- Straight-four engine
A straight-four engine (also referred to as an inline-four...
- Flat engine
A flat-four engine, also known as a horizontally opposed-four engine or boxer engine, is a four-cylinder piston engine with two banks of cylinders lying on opposite sides of a common crankshaft. The most common type of flat-four engine is the boxer-four engine, each pair of opposed pistons moves inwards and outwards at the same time.
Flat-four engines are mostly used in cars (particularly in the earlier Volkswagen Type 1 to 4 and by Subaru [2] in most of their models), and have occasionally been used in motorcycles. Their most common use is in smaller single-engine general aviation aircraft in which they are still manufactured and used to this day.
A straight-four engine (also referred to as an inline-four engine) is a four-cylinder piston engine where cylinders are arranged in a line along a common crankshaft.
Jul 30, 2024 · H4 engines are horizontally opposed four-cylinder engines also commonly known by names like flat-four and boxer. For comparison, most four-cylinder automobile engines are upright inline designs.
Sep 23, 2018 · Volkswagen’s flat-four might be one of the simplest engines ever produced, but there was nothing simple about the path it took to production. An Austrian engineer’s persistent dreams, inspiration from an iconoclastic Czechoslovakian designer and enthusiastic support from one of the most reviled dictators in history all played a role in ...
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Jan 30, 2024 · A brief history of the VW flat-four engine. The longest-running production engine in the automotive world very nearly didn’t happen. Yet, the Volkswagen flat-four motor that lasted from 1936 all the way to 2005 has powered more types of car and other forms of transport than any other.