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Aviation History
1963
1963 - 1679.PDF
489 FLIGHT International, 19 September 1963 ton St George. The Air Ministry com mented that because of the excellent weather all stations completed their programmes as planned. Some 25,000 people attended the exhibition held last week at the Air Ministry in Whitehall. As a climax to the 1963 commemorations, a service of thanks giving was held in Westminster Abbey last Sunday. J93 Unveiled At the US Air Force Association Conven tion in Washington on September 11 the General Electric YJ93 supersonic turbo jet was unveiled publicly. Evolved since 1955 through a series of company studies to power the WS-110 "chemically fuelled bomber" (with ethyl pentaborane or similar high-energy fuel in the afterburner), the YJ93-GE-3 was finally designed in 1958-9 as a relatively conventional single-shaft turbojet using ordinary fuel throughout. As the powerplant of the North American B-70A Valkyrie, bomber, the J93 is matched to a flight Mach number of 3, the speed of this bomber throughout its mission. It is thus unsuitable for any SST cruising at a different Mach number. It is also com promised by its basic age and military ancestry, but these charges could -also be levied at the Olympus 593. As things stand at present, the latter powerplant reigns supreme in th4e Mach 2.2 category, while the J93 civil derivative is in competi tion with the Pratt & Whitney JT-11 (J58) and an Allison project for propulsion of a future US Mach 2.2-plus transport. Thrust at sea level is described as "30,0001b class," and the thrust : weight ratio as "about 5:1." Diameter is 52.5in and overall length 237in. The engine has a compressor rotor of moderate pressure ratio, surrounded by variable stators and driven by a two-stage turbine. All casings are split into upper and lower removable Portions; the afterburner nozzle is a fully variable convergent/divergent unit and all controls are grouped in a removable box hung beneath the compressor. External fuel and oil lines have brazed couplings. More B-58s? The US Senate Preparedness Subcom mittee has released testimony by General Thomas S. Power, commanding general of atiategic Air Command, calling for the general Dynamics B-58 Hustler to be put oack mt0 production. Stating that he was *«mg m response to a request from Mr j^oei' S. McNamara, the Secretary of "etenxe, for suggestions on a new manned oomber, Gen Power described the Mach 2 svt M "one Of the finest weapon wsems m the world today," and urged that QeciMon on renewed production be taken roif*1"- The 116th and last B"58 was v " ed out fr°m the Fort Worth factory a year ago. V,*«n v arcoe Memorial g^.^ Vto^em°naI service for vivian Charles flteC:w°BE' formerly Honorary Clerk of *hn i * Air Pi,ots a™1 Air Navigators, at of °? August 19, is being held Wl T% ^"tcn, Down Street, London '0n ruesday, October 1, at 12 noon. The First BAC One-Eleven visited Luton Airport on September 12, when it was welcomed by almost every employee of Hunting Aircraft, the company from whose original project it was developed. A 2,000-strong crowd saw test pilots Bryce and Lithgow bring the aircraft in for a 30min call during its flight test programme Sir Leonard Bairstow We record with regret that Sir Leonard Bairstow, CBE, FRS, Zaharoff Professor of Aviation at London University from 1923 to 1925 and subsequently Professor Emeri tus, died last week at the age of 83. An obituary notice in The Times last Friday stated that he "started his work at the National Physical Laboratory at a time when it was still possible for one man to encompass the whole of aerodynamic knowledge." He played a major role in establishing the Aerodynamics Division at the NPL after it had separated from the Engineering Division, before being appoint ed in 1920 to the staff of the new Department of Aeronautics at Imperial College as Professor of Aerodynamics. During his tenure of the Chair of Aviation at London University many of this country's present leading figures in aeronautics were his students. Sir Leonard published the first edition of his famous textbook Applied Aerodynamics in 1919. Esso Tiger Trophy The Esso Tiger trophy for aerobatics, presented and endowed by the petrol com pany, was this year competed for during the PFA week-end at Rochester and won by Neil Williams, Bob Winter came second, Nick Pocock and Barry Tempest third equal and James Gilbert fourth. Competitors had to fly one of two special Tiger Moths, the "Deacon" or "Arch bishop," without using the inverted fuel system. They had to perform in fixed order an acrobatic sequence consisting of slow roll left, stall turn right, slow roll right, stall turn left, loop, roll-off-the-top left, Cuban eight and roll-off-the-top right, followed immediately by a spot landing without using engine or sideslip. Starting and finishing heights had to be between 2,000 and 1,000ft and time limit was six minutes. A sequence of this kind forms a quite severe test of handling and should greatly assist in developing competitive flying among a wide field of private pilots. Vertifan Takes Shape Taken recently in the San Diego factory of Ryan Aeronautical Co, this picture shows the second XV-SA VjSTOL research aircraft for the US Army. The two General Electric J85 turbojets have been installed and connected by ducting to the lift fans in the wings and control fan in the nose. The first XV-SA is undergoing static tests, and this second machine is to fly very early next year
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