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Aviation History
1956
1956 - 0714.PDF
714 FLIGHT, 8 June 1956 MILITARY AIRCRAFT 1956 Fighters SINGLE-SEAT, LAND-BASED Mig-17 Known in the Allied nomenclature code as the Fresco, thisis a somewhat larger machine than the Mig-15, of which it is a develop- ment, having a span of 36ft. The wing is of entirely different plan-formand more heavily swept. Air brakes are positioned far to the rear (as on the Mig-15) but are of modified pattern. A small strake extendsfor a short distance under the rear fuselage. All-round performance is higher than that of the Mig-15, although the turbojet is thought tobe of the same general (Nene-development) type. "Farmer" The latest type of single-seat day fighter known to be inservice with Russian formations has the Allied code-name Farmer. It bears a certain superficial resemblance to the French Super Mysterebut the wing is mounted relatively high on the fuselage. Supersonic speed should be attainable in level flight. Some 50 of these machinestook part in the 1955 Aviation Day fly-past. A point of particular interest (in which this fighter resembles theMystere 22 and Breguet Taon rather than the Super Mystere) is the pro- vision of twin jet-pipes. Whether these signify dual power units cannot,for the moment, be determined. The tailplane follows the general plan of the wing, is low-mounted, and possibly of the "slab" type. SWEDEN Saab J29F The "F" sub-type of the familiar J29 "flying barrel" hasbeen built both on an ah initio basis and as a conversion of earlier vari- ants. The lightened outer wings have the now-fashionable "saw-tooth" leading edge, which enhances manoeuvrability at high speed and issaid to improve critical Mach number also. The Swedish-built de Havilland Ghost 50 turbojet, normally delivering 5,000 lb thrust, isfitted with an afterburner, which increases its output to something like 6,500 lb and approximately doubles the initial rate of climb andimproves service ceiling. Armament is four 20 mm Bofors-built guns. Maximum speed is of the order of 660 m.p.h. and gross weight 13,600 lb.Saab J35 Draken A remarkable fighter is this "double delta," built following extensive experience with the Saab 210 research aircraft. Thepeculiar plan-form is claimed by the makers to provide a relatively large space for equipment and fuel, in combination with low weight,low drag, supersonic speed and a high degree of intake efficiency. The power unit is a Rolls-Royce Avon with afterburner, built in Swedenby Svenska Flygmotor. The main undercarriage legs have pre-retraction and a braking parachute is contained beneath the delta form fin. Pro-vision is believed to be made for 30 mm guns in addition to rocket projectiles or air-to-air guided weapons, and electronic equipment issaid to allow "all-weather navigation and flying at very high altitudes." It is intended that Drakens will eventually be issued to squadrons atpresent equipped with J29s and Hawker Hunters. ITA t Y Aerfer Ariete A joint project by the U.S. Government and theItalian Air Ministry, the Ariete is a development of the Ambrosini Sagittario, having a Rolls-Royce Derwent turbojet developed with a"hot" turbine and special combustion system to increase thrust to over 4,500 lb. Auxiliary-|-and cruising—thrust is supplied by a Rolls-RoyceSoar turbojet, or a liquid-fuel rocket can be fitted instead. One design study incorporating the latter powerplant is said to call for a BristolOrpheus as the turbojet. Span is reported to be about 24ft and the armament is likely to be two 30 mm guns. Three prototypes are underconstruction at a cost of some 2.3 million dollars. Chance Vought F7U-3M Cutlass. « (Below) Grumman F11F-I Tiger.
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