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Aviation History
1954
1954 - 1855.PDF
824 FLIGHT Military Aircraft 1954 Fighters SINGLE-SEAT LAND-BASED feature, well-shown in the photograph, is the "superstructure" above the fuselage proper. The span is reported as 21ft 4in. S.N.C.A.S.O. 9000 Trident. Prototype of a light intercepter. the Trident has a straight wing of low aspect ratio and very thin section, carrying a Turbomeca Marbore II turbojet of 880 lb static thrust at each tip. In the rear of the perfectly stream lined fuselage is provision for a S.E.P.R. rocket, with the thrust of which, it is hoped, a Mach number of 1.6 will eventually bt achieved. "Sandwich" construction is extensively used, and the nose section, including the cockpit, is jettisonable in flight. The narrow-track undercarriage has high-pressure tyres and retracts entirely into the fuselage. The elevators have negative dihedral. S.N.CA.S O. 6026 Espadon. A late development of the Espadon series, the 6026 has a S.E.P.R. 251 rocket in addition to the Hispano Suiza Nene turbojet. Though no longer regarded as a potential operational fighter, this machine has achieved supersonic speed in level flight and has proved invaluable in the development of the power plant for the Trident. RUSSIA Mig-15 and IS bis. The Mig-15 bis, an example of which has been thoroughly examined, is similar to the Mig-15 but incorporates a number of detail improvements and is powered with a VK-1 turbojet of 5,950 lb thrust instead of the less powerful RD-45F. Both units are of Rolls-Royce Nene type. Flying weight of the 15 bis is 11,085 lb and the armament is two 23 mm and one 37 mm guns. Neither the 15 or 15 bis is capable of supersonic speed. Span is 33ft. Soviet Shoulder-wing Single-seater. Often referred to as the Lavochkin La-17, this machine has been positively identified, but since a photograph was published in our preceding "Military Aircraft" number (April 4th, 1952) no additional information has been forthcoming. New-type Soviet Fighter. There is reason to suppose that the fighters which escorted the very large bomber heading the May Day fly-past over Moscow this year were of a new type, possibly larger than the Mig-15 and doubtless of higher performance. of these "flying barrel" fighters have been built, it is known that most of Sweden's 30 day-fighter squadrons, as well as attack and reconnaissance units, are equipped with the type. In May a J-29 set a new 500-km closed-circuit record of 607 m.p.h., and the pilot was confident that had not ground mist intervened his average would have been 620 m.p.h. The makers of the J-29 are understandably proud that this is the most modern jet fighter of Western European origin in large- scale service and production. It has a limiting Mach number of about 0.86 in level flight at all heights, is an excellent gun plat form, and has an operational ceiling of about 45,000ft; it attains 40,000ft in about 10 min, depending on load. Limiting speed with wing tanks is 430 kt, rate of roll is high and turning radius small. A Swedish-built Ghost turbojet is fined and the armament is four 20 mm guns. Span is 36ft lin, length 33ft 2£in. Saab-29 (J-29). SWEDEN Though it has not been disclosed how many U.S.A. Convair YF-102. The first prototype of this supersonic, delta-wing fighter for the U.S.A.F. was flown on October 24th, 1953, but was subsequently written off in an emergency landing at Muroc. The second example flew on January 11th this year. With all-weather equipment, the YF-102 is believed to approach 30,000 lb in weight. The present power plant is a Pratt and Whitney J57-P-11 with afterburner, but the Wright J67 (up to 25,000 lb thrust with reheat) is proposed. Primary armament of production F-102s will be air-to-air missiles— possibly Hughes F-98 Falcons. Lockheed F-104. Classed as a "day superiority fighter," this straight-wing machine will have a downward-ejection seat. The power plant is a Wright J65. McDonnell F-101A. Development from the XF-88 of 1949, diis ultra-long-range fighter, with the Pratt and Whitney J57-P-13 turbojet, is in quantity production. North American F-86A Sabre. Large numbers of these pioneer fighters have been reconditioned, fitted with an up-rated J47 turbojet, and new radar and armament systems. North American F-86D Sabre. Differing very extensively from other Sabres, this all-weather version carries interception radar in the nose, thereby necessitating a "beard" intake. Asso ciated with the radar is a Hughes intercepter fire-control system, developed to include an electro-mechanical coupling with the Lear lightweight automatic pilot and thus to provide full "lock- on" facilities. The pilot's task is principally that of monitoring the equipment (by means of a large tube-face in the centre of his instrument panel), and, being too preoccupied to keep watch on the behaviour of the power plant, he is relieved of the task by a complex control system for die J47-GE-17 unit, with afterburner. Armament is twenty-four 2.75in Mighty Mouse unguided rockets, carried in a launcher which is extended hydraulically by the fire-control system at the appropriate range. Their speed relative to the aircraft on leaving the launcher is about 100 m.p.h., and when passing the nose, about 500 m.p.h. Armament and other North American F-86D Sabrt (General Electric J47-GE-17). Republic F-84G Thunderjet (Allison J35-A-29). Republic XF-91 (General Electric J47 and Reaction Motors rocket). Republic F-84F Thunderstreak (Wright J65).
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