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Aviation History
1948
1948 - 1567.PDF
SEPTEMBER 23RD, 1948 FLIGHT THE Mamba Fuel Consumption *I T is learned that the specific consump-tion of the Mamba has been improved as a result of development work, andthat at the maximum continuous cruising rating, engine speed 14,000 r.p.m., thefigure is now 0.785 lb/b.h.p. /hr, or, taking into consideration the 330 lb resi-"ttti*"' thrust, 0.716 lb/equiv. s.h.p./hr. Mach-Meter Reading ATTAINMENT of Mach 1.04 is^* mentioned by Kelvin-Kollsman, makers of the Mach-meter fitted to theD.H. 108 during its recent supersonic flight reported in Flight, September16th. This represents a speed of approximately 700 m.p.h. at a heightrange of 30,000-40,000 ft. The D.H. 108 also carried Kelvin-Kollsman sensitivealtimeter and A.S.I. Speed Record BrokenF OLLOWING recent attempts on theworld's speed record which were not satisfactorily recorded by the timingapparatus, Maj. R. Johnson has now been successful in setting up a newrecord. Flying a normally armed and equipped F-86 fighter, a photograph ofwhich appears on this page, Maj. John- son's average speed of four runs was670.981 m.p.h. .: New Americans THE following American military air-craft are announced: McDonnell XF-88 "penetration" twin-jet fighter;Northrop XF-89 twin-jet all-weather fighter; Lockheed XF-90 supersonictwin-jet fighter with auxiliary rockets; Republic XF-91 and Convair XF-92supersonic jet-plus-rocket interceptors; Boeing XB-52 heavy bomber with turbo-props. The Northrop X-4 is a new research aircraft. ••• . '.•. - •••. - Recognition Society Meeting /^EOFFREY DORM AN, A.R.Ae.S., ^-J was the guest speaker at the opening meeting, for the winter season, of the Aircraft Recognition Society held in the FASTEST FIGHTER: As recorded on this page, a North American f-86 jet fighter has established—subject to F.A.I, confirmation—a new world's speed record of 670.981 m.p.h. The F-86 is in full quantity production for the US. Air Force. ..,,-. library of the R.Ae.S. on September 15th.His subject was early aircraft and 30 slides of aircraft of the 1908-14 periodillustrated the lecture. The first of these was of Mr. J. T. C. Moore-Brabazon(now Lord Brabazon) flying a Voisin bi- plane in France in 1908; this picture waspublished as the frontispiece of the first issue of Flight in January, 1909. Apprentice Scholarship Award f~\NE. of the university scholarshipsv-* awarded by the S.B.A.C. to out- standing apprenticesin the aircraft in- dustry has beenwon by A. H. Eldridge, of Wood-ford, Manchester. This scholarship,valued at ^250 p.a., is tenable for twoyears at the Col- lege of Aeronautics.During the war Eldridge worked forA. V. Roe, Ltd., on Lancasters at Wood-ford, and has served in most of the de-partments of the Wood ford and Chadder- ton factories. He is now in the Aero-dynamics department, Chadderton. Export Orders Follow S.B.A.C. Show DURING the S.B.A.C. display atFarnborough three companies an- nounced that orders, some for export,had been obtained for their aircraft. They are: Percivals, who are to supply Mr. A. H. Eldridge. Prentice trainers to the Argentine, andde Havillands, who have received a third substantial order for Vampires forSweden. As announced in Flight, Sep- tember i6Jh, B.S.A.A. have placed anorder for three Short Sealands for the use of British West Indian Airways inthe Caribbean. Fairey CelebrationT O mark the completion of thethousandth Fairey Firefly this machine was demonstrated over the com-pany's Hayes factory at noon on Septem- ber 20th and each employee was givena free glass of beer by the management. Shell-Mex AppointmentsM R. CECIL FIELD aviation managerof Shell-Mex and B.P., Ltd., has been appointed general sales manager ofthe company from October 1st. He is being succeeded as aviation manager byMr. J. C. C. Taylor, R.Ae.S. Examinations T^NTKIES for the next Associate Fel--L' lowship Examination of the Royal Aeronautical Society, which will be heldin the middle of December, 1948, should reach the Secretary by September 30th.A new syllabus comes into force on January 1st, 1949. Refreshments at SchipholW HAT is claimed to be the largestairport restaurant in Europe has been completed at Schiphol, Amsterdam,the home base of K.L.M. On the first floor, seating accommodation is for 250 & HALF CHORD AND FULL SPAN: Delivered to the R.A.E. earlier in the year, this Youngman - Baynes high-'ift research machine was built for the M.O.S. by the Heston Aircraft Company. Its power- operated, full-span slot- ted main flaps with semi- span rear flaps are the work of Mr. L. E. Baynes. The engine is a Gipsy Queen 32, and the Perci- val-like appearance for- ward results from the use of Proctor screens and door. Two seats are provided.
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