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Porsche 917 experimental Can-Am engine. A flat-sixteen engine, also known as a horizontally opposed-sixteen, is a sixteen-cylinder piston engine with eight cylinders on each side of a central crankshaft. Flat-sixteen engines are less common than V16 engines, with only a couple of prototype racing engines using a flat-sixteen layout.
2006 911 Carrera S engine bay 2007 911 Turbo engine bay 2007 911 GT3 engine bay 2006–2008 3.6 L (3,596 cc) 325 PS (239 kW; 321 bhp) 370 N⋅m (270 lbf⋅ft) water-cooled DOHC 24-valve boxer flat-six (VarioCam Plus) (Carrera/Targa 4)
Power came from a new 4.5-litre air-cooled engine designed by Mezger, which was a combination of 2 of Porsche's 2.25L flat-6 engines used in previous racing cars. The 'Type 912' engine featured a 180° flat-12 cylinder layout, twin overhead camshafts driven from centrally mounted gears and twin spark plugs fed from two distributors. [10]
1.6-liter racing engine for Type 718, 160 HP 547/5: 1957: 1.7-liter racing engine for Type 718, 170 HP 547/5A 1.7-liter racing engine for Elva with axial flow fan, 170 HP 549 Porsche-Schmid synchronized transmission for Fuller USA 547/6 1.8-liter racing engine with axial flow fan, 185 to 190 HP 550: 1953–1954
Hewland is a British engineering company, founded in 1957 by Mike Hewland, which specialises in racing-car gearboxes. Hewland currently employ 130 people at their Maidenhead facility and have diversified into a variety of markets being particularly successful in electric vehicle transmission supply.
The naturally-aspirated 4.0-litre flat-six engine (the largest engine displacement offered in a street-legal 911) was introduced with their 2011 911 (997) GT3 RS 4.0, in 2011. [18] The engine itself uses the crankshaft from the RSR with increased stroke dimensions (from 76.4 mm to 80.4 mm).
The company produces a line of small engines, racing conversion kits, mufflers and parts. Their aircraft engines are all one and two cylinder two-stroke designs and include the 200cc, Mini 2 Evo, Mini 2 Plus, Mini 3, Mini 4 Victor 1 Super, Victor 2 and the Victor 2 Super. [1] [2] [3]
The configuration of the engine and the horizontally opposed cylinder layout classifies them as boxer, opposed cylinder, horizontal or flat engines. They are different from an Opposed piston engine where the engine has two crankshafts and no cylinder head, as used in the Junkers Jumo 205 , whereas boxer-style engines have one crankshaft and two ...