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Aviation History
1953
1953 - 0767.PDF
12 June 1953 CIVIL AVIATION AVRO ATLANTIC UNVEILED "CURTHER details of the Avro project for a 100-ton long-range -1- airliner based on the delta-wing Vulcan bomber were announced earlier this week by Sir Roy Dobson, C.B.E., managing director of A. V. Roe and Co., Ltd. Sir Roy stressed that the aircraft, which will bear the name Atlantic, was still in the project stage : "We are much too busy at the moment building Vulcans for the R.A.F. But airlines all over the world have been asking for details of the inevitable transport sequel. . . ." The unique claim is made for the Atlantic that it will fly non-stop from London to New York, cruising at over 600 m.p.h., at an operating cost (based on the latest S.B.A.C. method) of 7d to iod per long ton-mile and less than id per passenger-mile. The Atlantic's payload will vary between 10 and 20 tons over stage lengths of 1,500-4,000 miles. No reference is made to the type of turbojet which will make possible this outstanding per formance. Production Vulcans for the R.A.F. will have four Bristol Olympus rated at well over 10,000 lb per unit. A model of the Atlantic takes the form of a long, slim fuselage (not unlike that of the Britannia) mounted on a delta wing of Vulcan configuration. To be exhibited at the forthcoming Paris Salon, the model shows one of three proposed seating layouts— the 94-seat basic version; alternatives are the 76-seat luxury version and the 113-seat tourist layout. The pitch of the rearward- facing seats remains constant at 42m, and these variations are made possible by fitting four, five or six seats abreast according to the density desired. In each case "tube effect" is prevented by the central positioning of bar, lounge and toilets, dividing the cabin into three sections. All the seats are forward of the cone of noise from the four jet orifices. The forward, centre and rear compartments have capacities of, respectively, 1,500, 1,000 and 3,340 cu ft; capacities of the under-floor freight and baggage compartments are 1,260 cu ft (forward) and 670 cu ft (rear). The cabin is, of course, pressurized, equivalent altitude at 45,000ft being 8,000ft. The close relationship between the Atlantic and the Vulcan (which, incidentally, is bound to reduce the time and cost of development) means that details of per formance and construction are partially screened by security. However, it is stated that the Atlantic will attain a practical cruising speed of M=o.9. All fuel is carried in the wings (in flexible tanks), which are stated to incorporate new methods of construction. Rudder, elevator and aileron controls are aero- dynamically balanced, and operated by electro-hydraulic power- units embodying artificial feel. The undercarriage, of multi-wheel bogie type, will be fitted with Maxaret braking units. "Flight" photograph GIANT IN MINIATURE: This 1,'24th scale model of the 200,000 lb Avro Atlantic delta-wing airliner will be ex hibited in Paris shortly. Based on the Vulcan bomber, the Atlantic is designed to fly non-stop between London and New York in 5-7 hr, according to the velocity of the winds encountered. Despite its high performance and large capacity, the Atlantic will be able to operate from I.C.A.O. Class C (5,90oft-7,oooft) runways; the corresponding minimum-strength classification is Class 4 (single-wheel loadings of up to 45,000 lb). Weight and dimensions are : gross weight, 200,000 lb; span, 121ft; length, 145ft; fuselage diameter, 12.5ft. 20 NORATLAS FOR BRAZIL THE Brazilian company Aerovias Brasil has ordered 20 Hercules-powered S.N.C.A.N. Nord 2501 Noratlas twin-boom transports as replacements for its DC-3S. An aircraft of this type, which may also be ordered by the Brazilian Air Force, has just completed a South American sales tour. FREIGHT SERVICES APPROVED CONDITIONAL approval is announced by the M.C.A. for applications made by two British independent companies to operate all-freight services on international routes : (a) London- Basle-Milan-Rome and London-Marseilles-Rome (Airwork, Ltd.); and (b) London-Lyons-Marseilles (Eagle Aviation, Ltd.). Periods of approval are ten years in the first case and seven in the second. ANOTHER VISCOUNT RECORD BRITISH EUROPEAN AIRWAYS' daily Viscount service from London to Geneva was opened with a flourish on Corona tion eve—Monday, June 1st—when G-AMNY, Sir Ernest Shackleton, clipped ij minutes off the existing airline record for this route (held by a Swissair Convair), completing the trip in 1 hr 31 min 52 sec at an average speed of 305.5 m.p.h. The aircraft was flown by Captain W. J. Wakelin and carried 43 passengers. Scheduled time for the 465-mile journey is 2 hr 5 min. This is the fourth Viscount service to be put into operation by B.E.A. The first turboprop-airliner service—to Cyprus—was inaugurated on April 18th; the following day the London-Istanbul service was opened, and on April 25th the Zurich service began. A member of Flight's staff who was among the passengers on the record flight to Geneva writes : "Sir Ernest Shackleton left London Airport at 11.14? a.m. in pouring rain, and, climbing through the low, racing grey clouds, we experienced one or two sizeable bumps. At 11.30 a.m. Captain Wakelin told us that we were over Seaford at 19,500ft, and that our air speed was 285 m.p.h. The French coast was crossed at 11.48 with Dieppe three miles to starboard. We had been told that we were going OCEAN AIRLINER: The three Atlantic layouts referred to in the para graph above. The basic version (top) carries 94 passengers five abreast and the centre drawing shows the 76-seat luxury version. Even in the 113-passenger tourist version (bottom), the full allowance is made for bar, lounge, toilets and galley, and the rows of seats (six abreast) are aligned with the windows. Pro vision is made for a crew of three—captain, first officer and navi- gator[radio operator.
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