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Aviation History
1948
1948 - 0955.PDF
JU>:F, 24TH, 1948 FLIGHT 693 CIVIL AVIATION NEWS HIGHER CRUISING ; Production Ambassadors will be powered by Bristol Centaurus 661 engines with two-speed blowers, making it possible with a pressurized aircraft to cruise at higher levels than those envisaged with Bristol Centaurus 630 series engines for which the Ambassador was originally designed. The first production aircraft is expected to leave the factory early in 1950. Marathon Production Agreed : Hythe Flying-boats for Charter : World Meteorological Organization AMBASSADOR PERFORMANCE FROM results of development trials Over the past tenmonths with the first prototype Ambassador, Airspeeds are able to give details of the performance of the productionmodel which will operate with the airlines. All the data are based on the use of 2,700 b.h.p. take-off power from BristolCentaurus 661 power plants, which will be de-rated to give this power in initial production form. Aircraft will bestressed for operation at weights up to the maximum of 52,5001b, and the initially "available power will permit the useof 52,ooolb and a- consequent maximum fuselage load when operating on normal trunk-line airfields. At this weightI.C.A.O. requirements may be met when operating from a runway of 1,700 yds. The wide all-up weight variations ofthe Ambassador allow the payload or range to be presented as functions of available runway length, and not as the rigidfigures to which operators have been accustomed in the past. At a mean weight of 47,5001b and using 74.5 per cent ofmaximum, except take-off, power (2,313 b.h.p.) at 21,500ft Jjbe Ambassador has a speed of 312 m.p.h. and a fuel consump-tion of i.42 air miles per gal. At 50 per cent METO power at 20,000ft the speed is 259 m.p.h. and fuel consumption 1,83.When satisfying I.C.A.O. requirements and taking off from a runway 1,700 yds long and a maximum take-off weight of52,ooolb the payload for a distance of 1,150 miles is 9,1951b. In similar take-off circumstances the payload with full tankswill be 8,4581b. Other interesting performance data have been produced and will appear in the next issue of Flight. HANDLEY PAGE MARATHONS NEGOTIATIONS have been concluded between HandleyPage, Ltd., and the Receiver for the debenture holders of Miles Aircraft, Ltd. An arrangement, which in no wayconcerned Handley Pages, was made between the Miles Com- pany and its creditors and shareholders which has beenapproved in court, and a petition which was pending for the compulsory liquidation of the company has been dismissed.A wholly owned subsidiary company of Handley Page, Ltd., will take over the manufacture of Marathon aircraft, the re-pair and servicing organization for all types of Miles aircraft, and the conduct of the flying school at Woodley airfield, nearReading. A lease of the requisite part of the Woodley* works for manufacturing purposes has been granted to the subsidiarycompany, which took possession of the premises on June 21st. The arrangements do not call for any additional finance other than that required in the normal way for completing aircraftmanufacturing contracts. It is believed that British Euro- pean Airways nave asked for seven Marathons to be used ex-clusively in the Channel Islands service, but" the Ministry of Supply have placed an order for 40. FLYING-BOAT CHARTER COMPANY TOURING the last six months and since his resignation from-*--' Lancashire Aircraft Corporation, in which company he was Director of Aviation, Mr. Barry T. Aikman has beenstudying the possibility of using flying-boats for charter work. He has now formed with Mr. A. G. Howland Jackson, Mr.H. A. Rapp and Mr. H. C. Rattle a new company, Aquila Air- ways, Ltd., at 5, Lloyd's Avenue, London, E.C.3. In JulyAquila Airways will take over two Hythes bought from DOUBLE-DECKER DOUGLAS: Initially intended for military purposes, and accordingly designated C-124, this projected Douglas transport has two sets of clamshell doors (nose and lower mid- fuselage). A preliminary announcement states that "two 30- passenger buses and 56 troops could be accommodated." The wing appears to be similar to. that of the Globemaster.
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