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• Innocenti Regent
  ..., using the familiar A-Series engine with a sump-mounted transmission. The higher-specification models used the [[SOHC]] E-Series engine (from the Maxi), in ...to control costs, wanted to install the existing E-Series engine and bulky heating system from the Marina, it became impossible to incorporate the low bonnet
  4 KB (542 words) - 13:15, 28 January 2009
• Air filter
  ...houses goes to heating and cooling. So making smart decisions about home's heating, ventilating, and air conditioning (HVAC) system can have a big effect on u ...atic, [[HEPA]], electronic and media. [[ASHRAE]] recommends ([[MERV]] 6 or higher) air filters to lower the amounts of pollen, mold and dust that reaches the
  10 KB (1,545 words) - 23:21, 2 October 2009
• Brake fade
  ...ng is cured under mechanical pressure following a heating & cooling curve, heating the friction material up to 450°F to "cure" (cross-link) the phenolic resi ...ke fade is reduced through the use of more expensive binding resins with a higher melting point, along with slotted, drilled, or dimpled discs/rotors that re
  10 KB (1,643 words) - 20:15, 20 August 2009
• Combustion
  ...kes note of the fact that the [[heat of combustion ]] is used entirely for heating the fuel, the combustion air or oxygen, and the combustion product gases (c * the heating value
  10 KB (1,534 words) - 09:02, 8 October 2009
• Spacecraft propulsion
  ...sion is an active area of research. Most spacecraft today are propelled by heating the reaction mass and allowing it to flow out the back of the vehicle. Thi ...el tanks, and so on). Beyond this, the growth is exponential; speeds much higher than the exhaust velocity require very high ratios of fuel mass to payload
  30 KB (4,590 words) - 20:28, 7 August 2008
• Four-cylinder
  ...n requires very heavy tankage. While hydrogen is light and therefore has a higher specific energy, the volumetric efficiency is still roughly five times lowe ...ng operation using an ''[[alternator]]'' driven by the engine. Compression heating ignition systems ([[Diesel engine]]s and [[HCCI]] engines) rely on the heat
  22 KB (3,344 words) - 22:07, 11 August 2009
• Ceramic
  ...s can give rise to [[positive temperature coefficient|PTC]] behavior for [[heating element]]s. ...and current flow will cease. Such ceramics are used as self-controlled [[heating element]]s in, for example, the rear-window defrost circuits of most automo
  17 KB (2,553 words) - 18:50, 19 July 2009
• Barbi
  ...me important improvement in coaches: they were improved by a sliding roof; higher deck with double seats at the back, structural columns inclined which was l ..., sound proofing and thermal insulation, air conditioned, reclining seats, heating, radio and television sets. Today there are many different manufacturers ba
  6 KB (932 words) - 21:52, 4 October 2011
• Internal-combustion engine
  ...n requires very heavy tankage. While hydrogen is light and therefore has a higher specific energy, the volumetric efficiency is still roughly five times lowe ...ng operation using an ''[[alternator]]'' driven by the engine. Compression heating ignition systems ([[Diesel engine]]s and [[HCCI]] engines) rely on the heat
  20 KB (3,085 words) - 13:24, 8 October 2009
• Turbo
  ...metric efficiency]] downgrade for both types of engine. The pumping-effect heating can be alleviated by [[intercooler|intercooling]] (sometimes called afterco ...nimal amount of lag, have a low boost threshold, and are very efficient at higher engine speeds. In many setups these turbos don't even need a wastegate. The
  20 KB (3,092 words) - 23:47, 7 August 2009
• Pushrod engine
  Due to the heating and efficiency problems, L-head engines fell from high power uses such as [ ...Its advantages over competing L-head engines included more power from its higher compression, better intake mixture flow and greater reliability from its co
  10 KB (1,635 words) - 08:54, 4 August 2009
• Carburetor
  ...single carburetor, though some, primarily with greater than 4 cylinders or higher performance engines, use multiple carburetors. Older engines used updraft c ...g, keeping it running at idle is more difficult than keeping it running at higher speeds. Since the airflow is too low for the carburetor to respond at all,
  27 KB (4,310 words) - 17:26, 17 May 2011
• Internal combustion engine
  ...2, they install the first ones in a water pumping station. An experimental higher-pressure version produces self-sustaining ignition through compression alon ...uel but will continue to rely on an unaided auto-combustion process due to higher pressures and heat. This is also why diesel and HCCI engines are also more
  40 KB (6,068 words) - 09:48, 2 August 2009
• Wankel engine
  ...sions and weight. This design also allows the Wankel engine to have a much higher [[redline]] as there is less friction working against the internals of the ...her flow of power but also the ability to produce more power by running at higher [[rotational speed|rpm]].
  23 KB (3,604 words) - 09:49, 2 August 2009
• Turbocharger
  ...metric efficiency]] downgrade for both types of engine. The pumping-effect heating can be alleviated by [[intercooler|intercooling]] (sometimes called afterco ...nimal amount of lag, have a low boost threshold, and are very efficient at higher engine speeds. In many setups these turbos don't even need a wastegate. The
  19 KB (3,049 words) - 13:22, 8 October 2009
• Two-stroke cycle
  ...y valve engines can be tailored to deliver power over a wider RPM range or higher horse power over a narrower RPM range than either piston port or reed valve ...stroke; both valves are closed, and the rising piston compresses the air, heating it. At the top of the stroke, [[diesel fuel]] is injected into the cylinder
  19 KB (3,049 words) - 09:48, 2 August 2009
• Diesel engine
  ...inder of a diesel engine and compressed by the rising [[piston]] at a much higher [[compression ratio]] than for a spark-ignition engine, up to 25:1. The ai ...e combustion. This results in higher Particulate Matter (PM) emissions and higher smoke.
  33 KB (5,114 words) - 23:11, 23 September 2009
• Two stroke
  ...stroke; both valves are closed, and the rising piston compresses the air, heating it. At the top of the stroke, [[diesel fuel]] is injected into the cylinder ...nt motorcycles, mostly in off-road "dirt-bikes", and scooters, where their higher power-to-weight ratio, and smaller size outweigh their aforementioned disad
  15 KB (2,394 words) - 23:48, 11 September 2009
• Bicycle brake systems
  ...offer a higher [[mechanical advantage]]. Dual-pivot brakes have slightly higher weight than conventional side-pull calipers and cannot accurately track an ...f contained and do not require a separate cable stop. However due to their higher mechanical advantage, the brake pads must be positioned very close to the r
  26 KB (4,406 words) - 08:46, 12 September 2009
• Automobile emissions control
  ##''Gas tank venting'': the heating of the vehicle as the temperature rises from the night-time temperature to ASM testing tests for three gases instead of two; if one gas emission is higher, the vehicle fails the test. Usually, vehicles under 8500 GVW and ''gasoli
  10 KB (1,533 words) - 09:02, 8 October 2009

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