Saab Viggen at Bardufoss 1998

Fantastic landing and takeoff by Saab JA37 Viggen at Bardufoss 1998

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JAS-39 Gripen at Emmen "flying back to home"
JAS-39 Gripen at Emmen "the gripens flying back to home"





SAAB 37 Viggen "Thunderbolt" - Thinking Outside The Box
The Saab 37 Viggen (Swedish: "Thunderbolt") was a Swedish single-seat, single-engine, short-medium range fighter aircraft and attack aircraft, manufactured between 1970 and 1990. Several variants were produced to perform the roles of all-weather fighter-interceptor, ground attack, and photo-reconnaissance, as well as a two-seat trainer. The Viggen was initially developed as a replacement for the Saab 32 Lansen in attack role and later the Saab 35 Draken fighter role. The first studies were between 1952 and 1957 by legendary Finnish aircraft designer Aarne Lakomaa. Several different concepts were studied involving both single and twin engines and with separate lift engines, both simple and double delta wings with canard wings. The aim was to produce a robust aircraft with excellent short-runway performance that could be operated from numerous specially prepared roads and highways to reduce the vulnerability in the event of war. Other requirements included supersonic ability at low level, Mach 2 performance at altitude, and the ability to make short landings at low angles of attack (to avoid damaging improvised runways). To meet these design goals Saab selected a radical configuration: a conventional delta wing with small, high-set canard wings. The Viggen was powered by a single Svenska Flygmotor RM 8 turbofan. This was essentially a license-built variant of the Pratt & Whitney JT8D "Iroquois" engine with an afterburner an incorporated thrust-reverser to use during landings and land maneuvers, which, combined with the aircraft having flight capabilities approaching a limited STOL-like performance. This enabled operations from 500m airstrips with minimal support. The thrust reverser could be pre-selected in the air to engage when the nose-wheel strut was compressed after touchdown. Only the Viggen and the Panavia Tornado featured both afterburners and thrust-reversers.





SAAB Gripen STOL Capabilities
The Saab JAS 39 "Gripen" (Griffin or "Gryphon") is a fighter aircraft manufactured by the Swedish aerospace company Saab. Gripen International acts as a prime contracting organisation and is responsible for marketing, selling and supporting the Gripen fighter around the world. The aircraft is in service with the Swedish Air Force, the Czech Republic Air Force and the Hungarian Air Force, and has been ordered by the South African Air Force. General characteristics Crew: 1--2 Length: 14.1 m (46 ft 3 in) Wingspan: 8.4 m (27 ft 7 in) Height: 4.5 m (14 ft 9 in) Wing area: 25.54 m (274.9 ft) Empty weight: 6,620 kg (14,600 lb) Loaded weight: 8,720 kg (19,200 lb) Max takeoff weight: 14,000 kg (31,000 lb) Powerplant: 1× Volvo Aero RM12 (GE F404) afterburning turbofan, 54 kN dry, 80 kN with afterburner (12,000 lbf / 18,100 lbf) Wheel track: 2.4 m (7 ft 10 in) Performance Maximum speed: Mach 2 Range: Combat radius 800 km, (500 mi), (430 NM). () Service ceiling: 15,000 m (50,000 ft) Rate of climb: m/s (ft/min) Wing loading: 341 kg/m² (70,3 lb/ft²) Thrust/weight: 0.94 Armament 1 × 27 mm Mauser BK-27 cannon 6 × Rb 74 or Rb 98 4 × Rb 99, Rb 71, MICA or Meteor 4 x Rb 75 2 x KEPD 350 4 x laser-guided bomb 4 x CRV7 rocket pod 2 x Rb 15F anti-ship missile 2 x Bk 90 cluster bomb





Viggen STOL
JA-37 making a short take off/landing also using reverses to pushback and takeoff again! MORE AVIATION VIDEOS ON: TAKEOFFTUBE.COM




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