Model harrier jet-Harrier Jump Jet - Wikipedia

The AV-8B Harrier jet is the plane that acts like a helicopter and can literally take off and land anywhere a helicopter can. Marine Corps with the mobility and firepower needed during combat missions over harsh terrain. With the ability to take off and land with no airstrip, the Harrier provides the U. Marine Corps with flexibility on the battlefield that helicopters or other jets cannot match. The Harrier II is a subsonic attack aircraft that is used for combat.

Model harrier jet

Model harrier jet

Model harrier jet

Model harrier jet

North Branch, Minnesota: Specialty Press, The AV-8B is primarily used for attack or multi-role tasks, typically operated from small aircraft carriers. The U. A more advanced model, designated as the Harrier GR7, was developed primarily to add a Mdel operational capability and avionics improvements. The Hawker P.

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On aircraft carriers, a ski-jump ramp is employed at Oral b rembrandt bow of the carrier to assist the aircraft in becoming airborne. This arrangement contrasts with most fixed-wing aircraft, which have engine nozzles only at the rear. Retrieved 6 August Archived from Model harrier jet original on 11 November General Accounting Office. Oxford, UK: Osprey Publishing, Archived from the original on 31 October While the manufacture of new Harriers concluded inthe last remanufactured aircraft Harrier II Plus configuration was delivered in Decemberending the Harrier production line. It is viewed by senior RAF officers as a significant design success, that to enable and control the aircraft's vertical flight required only a single lever added in the cockpit. Polmar, Norman With export interest from Brazil, Japan, and Italy serving as a source of encouragement to continue development of the Harrier II, McDonnell Douglas commenced work on a night-attack variant in We couldn't have asked for a better record". Encyclopedia of military technology Model harrier jet innovation.

Named after a bird of prey , [1] it was originally developed by British manufacturer Hawker Siddeley in the s.

  • Named after a bird of prey , [1] it was originally developed by British manufacturer Hawker Siddeley in the s.
  • The aircraft is primarily employed on light attack or multi-role missions, ranging from close air support of ground troops to armed reconnaissance.
  • .

  • .

Named after a bird of prey , [1] it was originally developed by British manufacturer Hawker Siddeley in the s. It was conceived to operate from improvised bases, such as car parks or forest clearings, without requiring large and vulnerable air bases.

Later, the design was adapted for use from aircraft carriers. There are two generations and four main variants of the Harrier family, developed by both UK and US manufacturers:. By the start of the 21st century, the majority of the first generation Harriers had been withdrawn, many operators having chosen to procure the second generation as a replacement.

Throughout the s, particularly in the years following the Korean War , a number of aircraft companies in both Europe and America separately decided to investigate the prospective capabilities and viability of vertical take-off and landing VTOL aircraft, which would eliminate the requirement for vulnerable runways by taking off and landing vertically as opposed to the conventional horizontal approach.

However, during this era, few companies envisioned that a VTOL aircraft could also be compatible with the characteristics of high performance military aircraft. During , following an approach by the British aero engine manufacturer Bristol Engine Company , who were designing an innovative vectored thrust engine, British aviation conglomerate Hawker Aircraft developed their design for an aeroplane that could meet an existing NATO specification calling for a "Light Tactical Support Fighter".

Senior project engineer Ralph Hooper at Hawker promptly set about establishing an initial layout for a theoretical aircraft to take advantage of the Pegasus engine, using data provided by Bristol. The P. Irrespective of work on the P.

These were developed directly from the Hawker P. On 18 April , the Harrier GR. As early as , Hawker Siddeley and American aviation manufacturer McDonnell Douglas were jointly working on development of a more capable version of the Harrier. Early efforts concentrated on the development of an improved Pegasus engine , designated the Pegasus 15 , which was being tested by Bristol Siddeley. The AV-8B is primarily used for attack or multi-role tasks, typically operated from small aircraft carriers.

Between and , Harrier variants were delivered. While the manufacture of new Harriers concluded in , the last remanufactured aircraft Harrier II Plus configuration was delivered in December , ending the Harrier production line. The Harrier Jump Jet, capable of taking off vertically, can only do so at less than its maximum loaded weight. In most cases, a short take off is performed, using forward speed to achieve aerodynamic lift, which uses fuel more economically than a vertical take off.

On aircraft carriers, a ski-jump ramp is employed at the bow of the carrier to assist the aircraft in becoming airborne. Landings are typically performed very differently.

Although a conventional landing is possible, the range of speeds at which this can be done is narrow due to relatively vulnerable outrigger undercarriage. Operationally, a near-vertical landing with some forward speed is preferred. Rotating the vectored thrust nozzles into a forward-facing position during normal flight is called vectoring in forward flight , or "VIFFing". This is a dog-fighting tactic, allowing for more sudden braking and higher turn rates.

Braking could cause a chasing aircraft to overshoot and present itself as a target for the Harrier it was chasing, a combat technique formally developed by the USMC for the Harrier in the early s. The wind direction is a critical factor in VTOL manoeuvres.

The procedure for vertical takeoff involves facing the aircraft into the wind. The throttle is trimmed until a hover state is achieved at the desired altitude. For lower takeoff speeds the thrust vector is greater. Thrust from the engine can be temporarily syphoned to control and correct the aircraft's pitch and roll during vertical flight. The Harrier has been described by pilots as "unforgiving" to fly.

Most services demand great aptitude and extensive training for Harrier pilots, as well as experience in piloting both types of aircraft. Trainee pilots are often drawn from highly experienced and skilled helicopter pilots. It is viewed by senior RAF officers as a significant design success, that to enable and control the aircraft's vertical flight required only a single lever added in the cockpit. An unusual feature of the Harrier family of aircraft is their use of two types of flight control to provide pitch, roll and yaw control: conventional control surfaces for wingborne flight, and a system of reaction control valves directing jets of bleed air from the high-pressure compressor of the engine out through the extremities of the nose, tail, and at the wingtips during vectored thrust —borne flight and hover modes.

The two systems are fully interlinked but air is not supplied to the reaction control valves during conventional wingborne flight. From Wikipedia, the free encyclopedia.

For the video game, see Harrier Jump Jet video game. Multirole combat aircraft family by Hawker Siddeley, later British Aerospace. Main articles: Hawker Siddeley P. Main article: List of Harrier variants. Main article: List of Harrier operators. Aviation portal United Kingdom portal War portal Nautical portal. The Guardian. Archived from the original on 22 October Retrieved 21 October Flight International , 26 May March—April Air University Review.

Tri City Herald. Janes Defense Weekly. The Telegraph. Retrieved 1 January Annapolis, Maryland: Naval Institute Press, BBC News. Retrieved 15 December Retrieved: 21 July Centennial of Flight , Retrieved 28 August Retrieved: 26 August Archived from the original on 15 July Retrieved 19 June Janes Defence. Retrieved 23 November Defense News, 10 May HM Government , 19 October Retrieved: 19 October The Telegraph , 15 June DMJ , 15 June BBC News , 24 November Defense News.

Retrieved 21 May Accessed 3 April Archived from the original on 14 July Retrieved 26 October Brown, Kevin. Popular Mechanics , 6 , June , pp.

Buttler, Tony. Hinckley, UK: Midland Publishing, Hiranandani, G. Transition to Triumph: History of the Indian Navy, — New Delhi, India: Lancer Publishers. Grove, Eric J The Bodley Head. Jefford, C. Jenkins, Dennis R. North Branch, Minnesota: Specialty Press, Markman, Steve and Bill Holder.

Atglen, PA: Schiffer Publishing, Mason, Francis K. The Hawker P. Nordeen, Lon O. Annapolis, Maryland: Naval Institute Press. Spick, Mike and Bill Gunston. The Great Book of Modern Warplanes. Wilson, Stewart Airlife,

Retrieved 6 August Mercury Gemini Skylab. Archived from the original on 24 September Senior project engineer Ralph Hooper at Hawker promptly set about establishing an initial layout for a theoretical aircraft to take advantage of the Pegasus engine, using data provided by Bristol. Archived from the original PDF on 4 July Great Book of Modern Warplanes. Archived from the original on 7 November

Model harrier jet

Model harrier jet

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Harrier Jump Jet Used by the U.S. Marine Corps

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Model harrier jet

Model harrier jet

Model harrier jet