Jet engines take a large volume of hot gas from a combustion process ( typically a gas turbine, but rocket forms of jet propulsion often use solid or liquid propellants, and ramjet forms also lack the gas turbine ) and feed it through a nozzle that accelerates the jet to high speed.

Jet aircraft are propelled by jet engines, which are used because the aerodynamic limitations of propellers do not apply to jet propulsion.

Until the beginning of the Jet Age, piston engines were common on propliners like the Douglas DC-3.

Prior to the Jet Age, it was common for the same or very similar engines to be used in civilian airliners as in military aircraft.

For example large Jet engines operate around 10, 000 rpm, while micro turbines spin as fast as 500, 000 rpm.

Jet engines that produce thrust from the direct impulse of exhaust gases are often called turbojets, whereas those that generate thrust with the addition of a ducted fan are often called turbofans or ( rarely ) fan-jets.

Jet engines were applied after World War II, in such types as the Teledyne Ryan Firebee I of 1951, while companies like Beechcraft also got in the game with their Model 1001 for the United States Navy in 1955.

* Jet engines

Jet engines come in several main types:

Hudsons and Nashes each used their own engines as they had previously: the Hudson Hornet continued to offer the I6 that had powered the ( NASCAR ) champion during the early 1950s ; the Wasp now used the former engine of the Hudson Jet.

Jet engines, as a class, can supply increased fuel efficiency at supersonic speeds, even though their specific fuel consumption is greater at higher speeds.

Category: Jet engines

Almost all production business jets, such as General Dynamics ' Gulfstream and the Gates Lear Jet ( now built by Bombardier ), have had two or three engines, though the Jetstar, an early business jet, had four.

Aircraft Gas Turbine engines ( Jet Engines ) are responsible for much of the aircraft noise during takeoff and climb.

* Dornier Do 31 Jet transport with podded vector nozzles and lift engines

Optional engines included the-2V ( standard on GTs ), the new for 1969-2V Windsor, 351-4V Windsor ,-4V, and the-4V Cobra Jet ( standard on Cobras ).

Available engines included the 302-2V, a 351-2V " Windsor " or " Cleveland ", a 351C-4V " Cobra Jet " ( CJ ), a 400-2V, and a 429-4V.

Like in previous years, all Torino options could be ordered, including all-new Ram-Air 429 Cobra Jet or Super Cobra Jet engines ( 7 L ) with a slightly different " shaker " hood scoop borrowed from the Mustang, so named because it was directly mounted to the carburetor and shook with the engine at idle.

Jet turbine engines use different operating principles and have their own sets of controls and sensors.

Although a few Caprices were sold with the new Turbo Jet V8 mated to a four-speed manual transmission, most were built with the more-civilized V8 engines such as the Turbo Jet V8 to handle multitudes of luxury options such as air conditioning, power windows, Cruise-Master speed control, power seats, an automatic headlight dimmer ( 1965 only ) and stereo radios.

Both the 250-and Turbo Fire engines were designed to use regular gasoline while the 350 Turbo Fire and both 454 Turbo Jet engines required premium fuel.

Such modifications are all for the best but it takes something as different as a Deerstalker or a Jet to change arms-making concepts.

The sheets are extruded of Tenite butyrate by Jet Specialties Co., Los Angeles, Calif..

These feelings are apparently reciprocated, as Jet and Spike always allow her to return despite claiming they're pleased to see her leave.

) As they return home they are ambushed by agents of Seatopia who are trying to steal Jet Jaguar, a humanoid robot under construction by the trio of inventors.

Some time later, Jet Jaguar is completed but the trio of inventors are knocked unconscious by the returning seatopian agents.

While Megalon and Gigan are still remembered by fans and reused in many videogames, Jet Jaguar is sometimes seen as more of a joke or a spinoff of Ultraman.

Researchers at NASA's Jet Propulsion Laboratory and the University of Kansas reported in February 2006 that the glaciers are melting twice as fast as they were five years ago.

Jackie Chan and Jet Li are prominent movie figures who have been responsible for promoting Chinese martial arts in recent years.

Riff wants to convince his friend and former member of the Jets, Tony, to meet the Jets at the dance, but some of the Jets are unsure of his loyalty (" Jet Song ").

Pulsed plasma thrusters are a method of spacecraft propulsion also known as Plasma Jet Engines in general.

Jet lag has been measured with simple analogue scales but a study has shown that these are relatively blunt for assessing all the problems associated with jet lag.

As well as part of the title song ( including the origin of a stanza about Venus ) using the tune " Rosin the Bow ", two verses of " The Captain is a Father to His Crew " are sung, plus choral verses of " Jet Song ", and a complete and particularly beautiful version of " The Grand Canal ".

Main stage act Jet performed in front of a large backdrop of a black-and-white Australian flag cut-out of their name, with lead vocalist Nic Cester adding, " I can't tell anyone else what to do but we as a band are very proud to be Australian and we don't want to feel we are not allowed to feel proud ".

* Submarines S16, S21 and S25 are the Science Patrol's short-range, high crush-depth underwater submarines, all of which are airlifted by the Jet VTOL to lakes or other bodies of water one at a time.

Megatron appeared as a playable character in the fighting games Transformers Battle Universe, a Net Jet game in which four incarnations of the character are playable, and DreamMix TV World Fighters, a crossover between various franchises including Transformers.

Jet aircraft are usually designed using the Whitcomb area rule, which says that the total area of cross-section of the aircraft at any point along the aircraft from the nose must be approximately the same as that of a Sears-Haack body.

More recent films that have explicitly explored parallel universes are: the 2000 film The Family Man, the 2001 cult movie Donnie Darko, which deals with what it terms a " tangent universe " that erupts from our own universe ; Super Mario Bros. ( 1993 ) has the eponymous heroes cross over into a parallel universe ruled by humanoids who evolved from dinosaurs ; The One ( 2001 ) starring Jet Li, in which there is a complex system of realities in which Jet Li's character is a police officer in one universe and a serial killer in another, who travels to other universes to destroy versions of himself, so that he can take their energy ; and FAQ: Frequently Asked Questions ( 2004 ), the main character runs away from a totalitarian nightmare, and he enters into a cyber-afterlife alternative reality.

It is generally not used to attack monsters, as it lacks the heavier firepower and carrying space of the Jet VTOL.

Jet aircraft generally fly much faster than propeller-powered aircraft and at higher altitudes – as high as.

Riders usually wear shoes while riding to afford themselves extra purchases on the board, similar to skateboarding. The speed at which riders wakeskate behind a PWC ( Personal Water Craft: Jet ski ), boat, cable system, or winch is generally 16 – 22 miles per hour.

Jet Force Gemini generally received positive reviews from critics, though not as high as Rare's other N64 games such as GoldenEye 007 and Banjo-Kazooie.

Overall, despite of the fact that Jet Force Gemini fared generally well with critics, the game did not reach the level of commercial success that other N64 games reached, leading Rare not to consider a possible sequel.

Chrebet's number 80 has not been issued by the team since he retired, and it is generally understood that no Jet will wear that number in the foreseeable future.

Reviewers generally praised the new variety of tracks offered, and the fact that the original Jet Moto tracks could be unlocked.