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Aviation History
1953
1953 - 0863.PDF
3 July 1953 19 engines the maximum speed is given as 174 m.p.h., maximum cruising speed as 160 m.p.h., and range as 644 miles at 149 m.p.h. Corresponding figures for the Gipsy Queen 30s are 192 m.p.h., 174 m.p.h. and 615 miles at 164 m.p.h. Hiller helicopters: In addition to the air-taxi machine a Hiller is statically displayed by the French Air Force. It has served in Indo-China since 1950 and has evacuated 618 casualties. S.E.55: This is the S.E.-built Sikorsky S-55 and has been dubbed the Elephant Joyeux. A series of these helicopters is under construction in France. S.E. Helibus: This is the name of a projected helicopter powered with two turbines, carrying 30 passengers, and utilizing S-55 rotors and rotor heads. The machine strongly resembles the Bristol 173 but has no wings, as has the Mk 3 version of that type. S.E.3120 Alouette: This three-seater helicopter made its first flight on July 31 last year. The second prototype is displayed. All tests have been completed at the Bretigny centre, and the machine was described to us as being perfectly au point. The engine is a Salmson 9NH and the gross weight 2,778 lb. S.O. 30P Bretagne: The example shown is fitted with two Turbom^ca Palas auxiliary turbojets, very neatly faired and mounted under the outer wings, and having flush intakes. S.O.1220 Djinn: This little experimental helicopter first flew on January 2 this year and is being used as a research vehicle for the S.O. 1310 Farfadet "convertible." The rotor is driven by com pressed air supplied by a Turbom6ca Palouste; there are no com bustion chambers as on the earlier S.O. 1120 Ariel. The rotor is said to be almost noiseless, and the makers claim that the fuel consumption is less than one-third of that of a ramjet helicopter of equivalent performance. The exhaust of the Palouste is deviated to provide manoeuvrability in stationary flight. Although the prototype is a single-seater, a two-seat version is planned with duration of about J hr. The gross weight will be about 1,100 lb, the hovering ceiling 3,200ft and cruising speed 62 m.p.h. LIGHTWEIGHTS S.I.P.A. 200 Minijet: Having flown itself busily into first place in the spectators' affections, this unique little jet formation- trainer deserves to open our notes on the light-air craft group. Attractive, all-metal, Palas-powered (330 lb static), the Minijet, according to French translation, has an ovoid box-car fuselage. The machine first flew in January 1952. As has been demon strated on several days during the week, it is most lively and, when flown solo*, fully aerobatic. Span, length and height are respec tively 23ft 8in, 16ft 1 iin and 5ft ioin. The empty weight is 810 lb, the all-up^eight 1,173 lb an(i tne wing loading a fraction over 16 Ib/sq ft. The Palas needs 22 gallons per hour of kerosine, but in return gives a cruising speed of 236 m.p.h. Maximum speed is 267 m.p.h. and rate of climb, 1,140 ft/min. The best range obtainable is over 400 miles, and the take-off run required is about 400 yards. From the same S.I.P.A. stable comes the 901, a familiar light two-seater with distinctive transparent cockpit enclosure. Jodel: Two entirely sensible lightweights—cheap, safe and easy to fly—are displayed and demonstrated by Societe des Avions Jodel, founded a few years ago by Messieurs Joly and Delemontez. The Beb6 Jodel, or D.9, is by no means new, and, in fact, together with the D.I 12 which it so obviously resembles, has been sold in kit form to some 150 amateur constructors, and under licence to concerns in Germany, Belgium and Italy. The Jodels have pronouncedly upswept wing tips and the simplest of wooden constructions. The D.9 at Paris is powered by a 44 h.p. Lutitia 4C.02. This typically French four-cylinder vee two-stroke unit is described as "I.C.A.O. approved." An earlier Bebe' had the 26 h.p. Volkswagen engine installed, while there are plans, with economy in mind, to have 28 h.p. Gillet motor-cycle engines in the future. The span is 22ft nin and the weight, all up, according to engine, is from 550 to 600 lb. Druine: Enjoying the slightly putting-off names of Turbulent and Turbi, another pair of lightweights are causing considerable interest among the Parisian public. The Turbulent D.3 is a comparatively shapely single-seater in which, however, the designers have not lost sight of the essentials of simplicity and economy. It has a Volkswagen engine of the four-cylinder opposed type. The wings carry fixed slots of the same span as, and exactly lined up with, the ailerons. The Turbi D.5 might be described as of simplified Moth Minor conception. Of the several engine possibilities the Beaussier four- in-line unit of 50 h.p. has been selected for the aircraft at Paris. Representative figures are landing speed 40 m.p.h., cruising speed From top downwards are: Model of the S.E. Helibus, which is designed to use S-SS rotors and rotor heads; Druine D.5 "Le Turbi"; Jodel D.9 Bebe; a fast passage by the Sipa 200 Minijet; and the Druine D.3 "Le Turbulent."
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