Search results

Jump to navigation Jump to search
  • ..., 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
  • ...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
  • ...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
  • ...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
  • ...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
  • ...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
  • ...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
  • ...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
  • ...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
  • ...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
  • 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
  • ...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
  • ...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
  • ...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
  • ...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
  • ...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
  • ...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
  • ...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
  • ...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
  • ##''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
  • 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, less susceptibility to pinging, an
    11 KB (1,698 words) - 08:59, 8 October 2009
  • ...ween the upper and lower surface of the wing. At the end of the wing, the higher pressure on the lower surface effectively tries to 'reach over' to the low ...A flow can be considered incompressible as long as its speed is low. For higher speeds, the flow will begin to compress as it comes into contact with surfa
    23 KB (3,573 words) - 21:59, 17 August 2009
  • Current technologies use between 165% to 212% of the [[higher heating value]] to produce the hydrogen. ...cs the obsolete model of oil distribution. Continuing research on cheaper, higher capacity [[battery (electricity)|batteries]] are needed. Direct transmissio
    22 KB (3,293 words) - 00:01, 23 June 2009
  • 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, less susceptibility to pinging, an
    11 KB (1,817 words) - 11:16, 30 January 2011
  • ...forms quickly when the metal is exposed to air. [[Aluminium oxide]] has a higher [[melting point]] than pure aluminium. Aluminium is nontoxic (as the metal) Whether measured in terms of quantity or value, the global use of aluminium exceeds that of any other metal except [[iron]
    35 KB (5,288 words) - 22:04, 13 July 2007
  • ...grain closely related to wheat) with a bit of [[salt]] were eaten; in the higher classes also [[egg (food)|eggs]], [[cheese]] and [[honey]], along with [[mi ...rowing wealth led to ever larger and more sophisticated meals. Nutritional value was not regarded as important: on the contrary, the [[gourmet]]s preferred
    18 KB (2,908 words) - 23:41, 11 September 2009
  • ...air storage tanks. When air tank pressure rises to the "cut-out" level (no higher than 130 lbs. per square inch, or "[[Pound-force per square inch|p.s.i.]]" The automatic types are available with electric heating devices. These help prevent freeze up of the automatic drain in cold weathe
    26 KB (4,530 words) - 21:58, 17 August 2009
  • ...nce of the [[Gulf Stream]]. The Gulf Stream is nicknamed "Europe's central heating", because it makes Europe's climate warmer and wetter than it would otherwi ...higher than those in Calgary, and they are almost 22 °C (40 °F) higher than average temperatures in Irkutsk.
    53 KB (7,197 words) - 17:33, 7 August 2009
  • ...chumacher, losing out on points and positions in order to place Schumacher higher in the Drivers' Championship, in the rare occasions when he was in front. T ...nt at Fuji. Recently they have resolved the problem of the front tyres not heating up quickly enough. On the [[8 July]], Kimi Räikkönen dominated the Britis
    43 KB (6,599 words) - 19:49, 12 November 2013
  • ...on the metro and bus networks (8.8 Euro for two days). These are excellent value but be sure to look after them well as bent or damaged cards will not be re ...ers and pavement cafes. It is also a large tourist haunt; so expect to pay higher prices for food and drink. Head off into some of the side streets for a che
    56 KB (9,123 words) - 09:23, 7 October 2009