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• Machine
  ...require some energy source ("input") and always accomplish some sort of [[mechanical work|work]] ("output"). Devices with no rigid moving parts can be conside ...e is the ratio of the [[actual mechanical advantage]] (AMA) to the [[ideal mechanical advantage]] (IMA). Functioning physical machines are always less than 100%
  4 KB (541 words) - 10:25, 15 July 2009
• Cylinder head
  ...[[poppet valve|valve]]s and [[spark plug]]s. In a [[flathead engine]], the mechanical parts of the valve train are all contained within the block, and the head i ...lesser extent the exhaust) determines a major portion of the [[volumetric efficiency]] and [[compression ratio]] of the engine.
  3 KB (415 words) - 23:56, 20 September 2009
• Rotary combustion engine
  ...ion of the piston with its inherent vibration and rotational-speed-related mechanical stress. As of 2005 the Wankel engine is the only successful pistonless rota * Mechanical simplicity.
  7 KB (1,137 words) - 20:22, 22 September 2009
• Bandini 1000 Turbo
  ...based on the design, characteristics and suspension systems that guarantee efficiency, soundness and stability, along with that proverbial light for almost half * [[Suspension (mechanical) | Suspensions]]:
  6 KB (820 words) - 22:29, 23 September 2009
• Electric car
  ...ple mechanical construction. Electric motors often achieve 90% conversion efficiency over the full range of speeds and power output and can be precisely control ...al-mechanical process already discussed. This is due to the higher carnot efficiency through directly oxidising the fuel and by avoiding several unnecessary ene
  9 KB (1,323 words) - 08:15, 8 October 2009
• Supercharger
  ...containing air that is forced into the cylinders improves the [[volumetric efficiency]] of the engine which allows the engine to burn more [[fuel]] and makes it ===Mechanical drive and exhaust gas driven===
  15 KB (2,335 words) - 22:54, 14 June 2009
• Continuously variable transmission
  ...r CVT transfers torque to the transmission output. The gear set acts as a mechanical adding machine to subtract one speed from the other, allowing the car to go ...VT uses [[pulley]]s, typically connected by a metal-covered rubber [[belt (mechanical)|belt]].
  12 KB (1,878 words) - 23:28, 3 July 2009
• Power steering
  ...s. As long as there is pressure in the car's hydraulic system, there is no mechanical connection between the steering wheel and the road wheels. This system was In the event of component failure, a mechanical linkage such as a [[rack and pinion]] serves as a back-up in a manner simil
  5 KB (838 words) - 22:52, 11 June 2009
• Engine
  ...and "[[speech synthesis|text-to-speech engine]]" are common. The earliest mechanical computing device was called the [[difference engine]]; Military devices suc ...ecent usage, the term is typically used to describe devices that perform [[mechanical work]], follow-ons to the original steam engine. In most cases the work is
  9 KB (1,353 words) - 00:51, 9 August 2009
• Camshaft
  ...to an estimated 25% of an engine's total output at idle, reducing overall efficiency. Two approaches have been tried to reclaim this "wasted" energy but have p
  4 KB (658 words) - 19:44, 31 March 2009
• Bicycle gearing
  ...' on a [[bicycle]] is the selection of appropriate gear ratios for optimum efficiency or comfort. Different gears and ranges of gears are appropriate for differe ...mechanics)|transmission]]s, the [[gear ratio]] is closely related to the [[mechanical advantage]] of the drivetrain of the bicycle. On [[single-speed bicycle]]s
  24 KB (3,509 words) - 23:29, 3 July 2009
• Marine engine
  ...and "[[speech synthesis|text-to-speech engine]]" are common. The earliest mechanical computing device was called the [[difference engine]]; Military devices suc ...ecent usage, the term is typically used to describe devices that perform [[mechanical work]], follow-ons to the original steam engine. In most cases the work is
  9 KB (1,383 words) - 00:47, 4 March 2009
• Powertrain
  ...tion]] technology has focused on de-throttling (in part load where the low efficiency of [[Otto engine]]s is defined) and downsizing (lower displacement, EVC). ...w combustion concepts. These promise to combine clean combustion with high efficiency. So-called "combined combustion systems" (CCV) ([[Volkswagen]], [[2003]]) o
  5 KB (662 words) - 08:03, 8 October 2009
• Ignition system
  ===Mechanical ignition=== ...ons per minute]] (RPM) and/or increased [[manifold vacuum]], giving better efficiency. This system was used almost universally until the late 1970s, when electro
  15 KB (2,376 words) - 14:22, 24 September 2009
• Pushrod engine
  ...operated by pushing directly up on it, as opposed to needing some sort of mechanical arrangement to push the valves down. It may also lead to slightly easier co Due to the heating and efficiency problems, L-head engines fell from high power uses such as [[aircraft engin
  10 KB (1,635 words) - 08:54, 4 August 2009
• Automatic transmission
  ...missions have significantly improved in their ability to support high fuel efficiency but [[manual transmission]]s are still generally more efficient. (This bala ...device connecting the engine and the transmission. It takes the place of a mechanical [[clutch]], allowing the engine to remain running at rest without stalling.
  18 KB (2,740 words) - 23:27, 3 July 2009
• Hybrid vehicle drivetrain
  ...ic motors instead of being attached to the combustion engine. This allows efficiency gains as the accessories can run at a constant speed, regardless of how fas ...o be fitted with a [[supercapacitor]] or a [[flywheel]], which can improve efficiency by minimizing the losses in the battery.
  22 KB (3,527 words) - 09:10, 7 October 2009
• Fully-automatic transmission
  ...missions have significantly improved in their ability to support high fuel efficiency but [[manual transmission]]s are still generally more efficient. (This bala ...device connecting the engine and the transmission. It takes the place of a mechanical [[clutch]], allowing the engine to remain running at rest without stalling.
  14 KB (2,055 words) - 09:04, 8 October 2009
• Front wheel drive
  ...ndary [[Mini]] of [[1959]] (even if [[Saab 92]] predates it) although its mechanical layout differed from modern vehicles, since the transmission was built into * Packaging efficiency: the [[powertrain]] is a single unit contained in the engine compartment of
  10 KB (1,565 words) - 10:51, 8 October 2009
• Transmission
  ...r '''gearbox''' is the [[gear]] and/or [[hydraulic]] system that transmits mechanical [[power (physics)|power]] from a [[prime mover]] (which can be an [[engine] ...useable lower speed with higher torque, or do the opposite and provide a [[mechanical advantage]] (i.e increase in torque) to allow higher forces to be generated
  12 KB (1,865 words) - 06:22, 26 September 2016

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