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Aviation History
1960
1960 - 1608.PDF
340 FLIGHT, 2 September 1960 Hunter 7.664 Hunter T.7 Hawker Hunter F.6 with selection of armament ' HAWKER AIRCRAFT LTD Kingston-on-Thames, Surrey. Telephone: Kingston 7741 Hunter The Hunter is still the pre-eminent ground-attack single-seater. Five marks are in service with the RAF and Fleet Air Arm and derivatives have been bought by Peru, Switzerland, Denmark, India, Sweden, Belgium, Holland, Lebanon, Jordan, Iraq and other air forces. Standard powerplam is the Rolls-Royce Avon 203, of 10,0001b thrust, and fixed armament is four 30mm Aden guns. Almost every kind of underwing store and lOOgal or 230gal underwing tanks may be carried. Ml can be exceeded in a dive, 621kt attained at sea level and the best ceiling is 53,400ft. Some short-field versions have a braking parachute. Recent RAF marks are the FGA.9 attack version and the FR.10 vanaat. The RAF aa4 Dwusin Dutck aad Iadiae air forces- have Hante two-seat trainers; the T.66A has a braking parachute and nosewheel brake for short field perform- ance and the Fleet Air Arm uses the T.8 with a runway arrester hook. P. 1127 It was officially confirmed late last year that Hawker were engaged in the development of a VTOL support fighter, suitable for NATO, powered by a single Bristol Siddeley BS.53 turbofan engine. The fact that the BS.58, a straight turbofan equivalent of the BS.53, has a maximum sea- level thrust of 14,5001b indicates that the gross weight of the P.1127 will be somewhere in this region. The first detailed description of the BS.53, published in Flight for August 12, clearly illustrates the special layout of this engine, with the main hot exhaust bifurcated and vented through two swivelling nozzles and the cold exhaust from the front fan vented through two similar nozzles further forward. Compressor bleed would serve stabilization jets. The energy of the cold flow could be increased by afterburning. The four nozzles can be rotated to point in any direction from forwards to directly aft so that the engine could be test run and the aircraft taxied on the ground without raising any runway erosion or intake ingestion problems. For take-off in 200yd a pilot could make a short run with full forward propulsion and then rapidly rotate the nozzles to, say, 60°, when 87 per cent of the thrust would be providing lift and half would still be available for horizontal acceleration. Even in vertical take-off the engine could be accelerated with the nozzles pointing rearwards before vertical thrust was applied. Reverse thrust could be employed in flight for rapid deceleration or steep descent. The use of a single engine will minimize training, maintenance and first cost, and the ability to take off conventionally will allow high-overload take-offs—for instance, for long ferrying flights. The P.1127 will be stabilized by air jets at low or zero speed, and will probably be able to exceed Ml. No armament details have been released. Hawker Hunter T.7
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