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Aviation History
1961
1961 - 1206.PDF
308 FLIGHT, 31 August 1961 Scout AW.670 Airbus Whirlwind Powered by a 1,050 s.h.p. de Havilland Gnome engine, the Whirlwind Series 3 has been developed from the piston-engined (Alvis Leonides Major or Pratt & Whitney R-1340) Whirlwind which in turn was developed from the Sikorsky S.55. Now being built for the Royal Air Force and the Republic of Ghana, the Gnome-powered Whirlwinds will go into service in a variety of roles under the military designation Whirl- wind Mk 10. As a freighter the Gnome Whirlwind can carry 2,0001b, either in the cabin or externally slung; as a transport it can accommodate eight civilian passengers or ten troops. Gross weight is 8,0001b, empty weight 4,6941b, and fuel capacity 177gal (standard) or 287gal (with auxiliary tanks). Performance figures quoted for the civil transport version include: maximum speed, 109 m.p.h.; economical cruising speed, 104 m.p.h.; maximum rate of climb at best climbing speed of 58 m.p.h., l,200ft/min; vertical rate of climb, 265ft/min; service ceiling 16,400ft; range, 317 miles (standard tankage) or 489 miles (with HOgal auxiliary tank); endurance with standard tankage, 4hr 15min. Still available at Yeovil is the piston-engined Series 2 Whirlwind. P.S31 Scout This 5/6-seat general-purpose helicopter powered by a Blackburn Nimbus free-turbine engine rated at 1,050 s.h.p. is designed to combine small dimensions, good payload/performance characteristics, good manoeuvrability and operational versatility. It is fully equipped for day or night operation in most weather conditions. The version now on order for the British Army is designated Scout. The P.531 has also been evaluated by the Royal Navy, and a production order is antici- pated. A civil version, known as the Wasp, is also available. Length, height and rotor diameter are 40ft 2in, 10ft llin and 32ft 3in respectively, and the machine weighs 2,9931b empty and 5,0001b loaded. Under TSA conditions at 5,0001b gross weight, the following performance figures are quoted: maximum speed, 138 m.p.h.; cruising speed, 132 m.p.h.; maximum rate of climb at best climbing speed of 58 m.p.h., 2,000ft/min. WHITWORTH GLOSTER AIRCRAFT LTD (Member of Hawker Siddeley Aviation) Baginton, Nr. Coventry. Telephone: Tollbar 2261 A W.650 Argosy This version of the Argosy (four Rolls-Royce Dart 7/2 turboprops) is described by the makers as a "freightercoach", signifying its suitability for freight and/or passenger operations. It is in full service with the American operator Riddle Airlines Inc, and after only seven months is already achieving utilizations of over ten hours a day. By September, each of the Argosies engaged on Riddle's "Logair" operation on behalf of the USAF will be achieving over 13 hours' flying a day. The first deliveries to British European Airways are scheduled for the end of the year. The Argosy has been designed to reduce cargo rates and to cut ground-handling costs and turn-round time to a minimum. The makers claim for the aircraft these advantages: simultaneous double-end loading; a freight hold 47ft long, 10ft wide and 6ft 8in high— unobstructed from end to end; lorry-level loading; a unique quick-loading system ("Rolamat"); full pressurization and air-conditioning; and ground-level refuelling and defuelling. The "Rolamat" system is simple and cheap and has already been proved in service for palletized cargo. It can be fitted in a few minutes to any standard lorry. The Argosy can carry eight tons of freight in the front fuselage and 38 passengers in the rear, with toilet and galley facilities; or in an all-passenger role it can seat up to 89, six abreast. In these contexts particular advantages claimed are quick-release bulkhead for variable passenger/freight accommodation; tuck-away seats which fold into the fuselage sides; rapid role conversion from freight to passengers or vice versa; no freight restraint barricTS necessary; and simultaneous loading of passengers and freight. A typical cruising speed \s 2*0 m.p.h., and \\ has a lange, vnv\\ a Tfi ,000MB pa^\oad, o^ \£W mite,. Gtoss weight is 88,OOOlb and landing distance 3,120ft. AW.660 Argosy C.I In a developed form, under the designation Argosy C.I, the basic "freightercoach" is on order for the Royal Air Force. "Clamshell" rear doors are fitted (in contrast to the starboard-hingeing rear end of the A W.650) in order to provide for rapid vehicle loading and the dropping of heavy "palletized" equipment. The floor
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