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Aviation History
1957
1957 - 0795.PDF
FLIGHT, UJune 1957 801 AIRCRAFT INTELLIGENCE Two new, and important, French aeroplanes with British gas turbine powerplants: top, the Dassault Etendard VI, with Bristol Orpheus; below, one of the three Breguet Alize anti- submarine aircraft (Rolls-Royce Dart) now flying. A hundred have been ordered. be a pressurized aircraft with an L.I649wing and four Allison T56 turboprops. North American X-15. This advancedresearch aircraft is being built for the Air Force and Navy in co-operation with theN.A.C.A. Powered by a 20,000-lb-thrust single-chamber rocket motor it will betrack-launched and will be controlled by air jets at the tips of the fuselage and wings(since it is designed to fly to heights too great for surface controls to be effective).The first machine, which N.A.A. pilot Scott Crossneld expects to fly next year,is intended for Mach 5 at 250,000ft, but the second and third machines should reachMach 10 at up to 750,000ft during a typical mission. Light Turboprop Projects. Both Beech and Cessna have finished the rough project work on light executive aircraft powered by twin Continental T51 turboprops. Great Britain Bristol 200. According to AmericanAviation this new high-speed jet airliner project is powered by four B.E.47 turbojetseach of 6,000 lb thrust. The engines are stated to be installed in "twin pods" on thesides of the rear fuselage. U.S.A. WS-110A. This is the weapon systemnumber of the U.S. Air Force "chemical- fuel" bomber intended to cruise super-sonically and have a dash-performance of more than Mach 3. General Electric arereported to have won the contract to develop the powerplant, which will be avery advanced turbojet with afterburner intended to operate at very high speeds andaltitudes with extreme peak temperature. Boeing and North American are steadilyprogressing their competitive work on the airframe and the final aircraft is envisagedas a replacement for the B-52. The engines for this programme are expected to besuitable also for the North American long- range intercepter (WS-202) which mayeventually reach a Mach number of 10. Lockheed F-104. Officially stated to havebeen delayed from service some six months, Lockheed's supersonic fighter has recentlybeen in considerable trouble. Numerous F-104s have been lost from a variety ofcauses, and in April a "crash" modification programme by G.E. involved the installa-tion of a dual-ignition system on the J79 engine. This should have ended the runof flame-outs, but the fundamental pitch-up trouble is proving more difficult to cure.It is reported that two small stabilizing fore-planes will be provided, tied to theautopilot in the pitching plane so that incipient pitch-up can be automaticallycountered by application of full forward stick, over-riding any action which thepilot may take. Lockheed WV-12. This designationapplies to the "flying saucer" Super Constellation radar-picket aircraft. Insidethe huge saucer-like radome (carried on a pylon some 10ft above the fuselage) is a40ft scanner capable of picking up targets at three times the range-limit of theprevious WV-2. The scanner is slowly rotated by a Vickers hydraulic motor. Nextin the series of Lockheed radar pickets will DORNIER Do 27 (Lycoming GO-4M) Span ... ... 39ft4in Length ... ... 31ft (in
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