W16 Engine
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W16 Engine
W16
Volkswagen W16.jpg
8.0L quad-turbocharged W16 used in the Bugatti Veyron
Layout
ConfigurationW16

A W16 engine is a sixteen cylinder piston internal combustion engine in a four-bank W configuration. The most common layout for W16 engines consists of two 'offset double-row' banks of eight cylinders,[1] coupled to a single crankshaft. Other layouts, though, have been used before as well.

Volkswagen Group is the only automotive manufacturer currently producing W16 engines. These engines are most notably used in the Bugatti Veyron and Bugatti Chiron. French car maker Jimenez also used a custom 4.1L W16 made from four Yamaha motorcycle engines in the 1995 Jimenez Novia, a one-off French supercar.[2] The Volkswagen W16 engine was introduced with the mid-engined Bentley Hunaudieres concept car (Bentley Motors Limited has been a Volkswagen Group holding since 1998). This W16 was later used in the Audi Rosemeyer concept car, and in the aforementioned Bugatti Veyron, Chiron and Divo.

Volkswagen W16

Volkswagen Group's design is a stretched form of its W12 engine, which is itself based on technology from its VR6 engine. In the W16, each side is made up of two VR8 banks and the 'bank' angle is increased to 90 degrees. The narrow angle of each set of cylinders allows just two overhead camshafts to drive each pair of banks, so just four are needed in total. For this reason, the engine is sometimes described as a WR16. The Volkswagen Group W16 engine as configured for the Bugatti Veyron EB16.4 is a 16 cylinder 64 valve quad-turbocharged engine with four valves per cylinder. The engine is 71 centimetres (28 in) long and weighs approximately 400 kilograms (882 lb). Maximum power output is 736 kilowatts (1,001 PS; 987 bhp) at 6,000 revolutions per minute (rpm), with a maximum torque of 1,250 newton metres (922 lbf?ft) (127.5 kgf·m) from 2,200 to 5,500 rpm.[3] Some automotive press outlets have also reported that the W16 engine design has been considered for use in other Volkswagen Group products - specifically a Bentley.[4] Cylinder firing order on W-16 is as follows: 1-14-9-4-7-12-15-6-13-8-3-16-11-2-5-10.

An early rotary valve W16 engine designed in 1916 by Frenchman Gaston Mougeotte

Jimenez W16

The 4.1L W16 used in the one-off 1995 Jimenez Novia had a very different design than the Volkswagen designed W16. The engine was made by combining four Yamaha FZR1000 1.0 liter 4 cylinder motorcycle engines and has 4 rows of cylinders with 4 cylinders in each row. It has a total of 80 valves (5 valves per cylinder), and it uses two crankshafts, unlike the Volkswagen designed W16.[5] The engine reportedly produces 417.6 kW (567 PS, 560 bhp) at 10,000 RPM and 432 nm (318.6 lb ft of torque).[2][6]

References

  1. ^ Photograph of the Bugatti W16 cylinder block (jpg image), retrieved 2009
  2. ^ a b "1995 Jimenez Novia Concept | | SuperCars.net". Supercars.net. 2016-02-24. Retrieved .
  3. ^ "2006 Bugatti Veyron W16 Engine". Bugatti press release. SuperCarNews.net. Archived from the original on 15 June 2008. Retrieved 2009.
  4. ^ "Bentley looking at Veyron W16 for motivation". Autocar. TheMotorReport.com.au. 18 October 2007. Retrieved 2009.
  5. ^ "Deze supercar met W16 en 80 kleppen ken je nog niet". Autoblog.nl (in Dutch). Retrieved .
  6. ^ Ion Kayak (2013-04-12), 1995 Jimenez Novia W16 80V, retrieved

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

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