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Aviation History
1959
1959 - 1405.PDF
684 FLIGHT, 15 May 1959 Above, Sud SE.3160 Alouette III. Below, Sud SE.3130 Alouette II Helicopters of the World . . . of which also carry the fixed main wheelsof the nosewheel undercarriage. The machine stands high enough off the groundto facilitate the loading of external stores. The crew of two sit in the nose andhave separate access doors, while two large doors and an escape hatch provide accessto the main cabin. The complete tail unit hinges sideways to allow direct loading ofvehicles. A trimming tailplane is set to ride up to the flight position under airloads,but is depressed by a spring to a vertical position during hovering. Cowling panelsaround the transmission, the two Turmos forward and one aft fold down to form acontinuous walkway for servicing. Three starters and three throttles areused to run the engines up to operating speed separately, after which a single twist-grip on the collective-pitch stick controls combined power, the throttle levers thenserving to synchronize the engines. For military use, the 3200 can carry 24soldiers or eleven stretchers and it can be used for such purposes as towing boats.• Rotor diam., 49ft 2in; length, 47ft 6in; empty weight, 9,920 lb; gross weight (civil),15,630 1b; max. gross weight, 17,600 lb; max. speed, 168 m.p.h.; cruising speed, 150 m.p.h.;ceiling, 9,850ft; endurance, hovering out of ground effect, 3.5 hr. SE.3160 Alouette III Following develop-ment of the basic Alouette II formula, using the more powerful Artouste III (550-600 h.p.) and, in another experiment, a Turmo free-turbine engine, the finalAlouette III configuration has now been revealed. The Gouverneur executive heli-copter has now been dropped. Though at present powered by an Artouste III, pro-duction versions will have a Bastan derated to 450 h.p. The standard Alouette trans-mission is retained, but rotor diameter has been increased and the number of tail-rotor blades increased to three. The tail is now a monocoque and a streamlined cabinhas been arranged for two pilots and a pas- senger in front and a four-seat benchbehind. Side doors both slide and hinge upwards. A nosewheel undercarriage isfitted. The standard Alouette II fuel tank leaves room on either side for freight oreven for personnel sitting facing outwards. • Rotor diam., 36ft; length, 32ft lOin; emptyweight, 2,290 lb; max. gross weight, 4,620 lb; max. speed 124 m.p.h.; cruising speed, 113m.p.h.; hovering ceiling, with ground effect, 12,250ft; range, 335 miles. SE.3130 Alouette II Following therecent order for 130 Alouettes placed for the German Army, the total number ofAlouettes ordered has risen to more than 400, of which more than 300 have alreadybeen delivered. The type has in fact Sud $0.1221 Djinn achieved outstanding success and gainedmany records, particularly for altitude, time to height and landing at height. It isin civil and military service in many parts of the world and licences for productionhave been taken by Republic Aviation Corp. in the U.S. and Saab in Sweden. As well as performing all manner oftasks as a five-seat utility, the Alouette has been used for dropping homing torpedoesand for firing Nord SS-10 and SS-11 wire- guided missiles. It is powered by a Turbo-meca Artouste II, giving 360 h.p., directly driving the rotor through a reduction gear.The collective-pitch lever controls a con- stant-speed governor and no actual throttlemovements are required in flight. • Rotor diam., 33ft 6in; length, 31ft lOin;empty weight, 1,870 lb; gross weight, 3,300 lb; max. speed, 111 m.p.h.; cruising speed, 107m.p.h.; hovering ceiling with ground effect, 10,200ft; service ceiling, 13,800ft; range ats.l., 330 miles. SO.1221 Djinn More than 150 of theselight two-seat utility helicopters have now been ordered and most of them completed.Power is provided by a Turbomeca Palouste air generator delivering com-pressed air to nozzles at the tips of the two- bladed main rotor. Directional control isensured by an aerodynamic rudder set in the jet efflux. Many roles are possible,including crop-spraying and the carriage of two injured people in stretchers mountedalongside the fuselage. It is reported that a "Super Djinn" is being prepared, poweredby the more powerful Palouste IV. • Rotor diam., 36ft 2in; length, 17ft 4in;empty weight, 794 1b; gross weight, 1,676 lb (civil) and 1,764 lb (military); max. speed, 81m.p.h.; cruising speed, 62 m.p.h.; max. range 112 miles; during successful record attempts,a Djinn has reached more than 27,000ft.
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