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Aviation History
1952
1952 - 2414.PDF
250 FLIGHT BRITISH AIRCRAFT 1952 -A.lf.5SB WITH a complete absence of publicity (other than that fortui tously aroused by a flight over London a few months back) this beautiful and superbly con structed flying-wing research aircraft has under gone a protracted period of testing. It measures 90ft in span and 37ft 4m in length, and is powered with two Rolls-Royce Nenes of 5,000-lb thrust apiece, which give it a cruising speed of 330 m.p.h. and a maximum speed of 500 m.p.h. MM.M*.&$ THOUGH this remarkable research aircraft is no longer in existence, having been destroyed in an accident during August last year, it is included here to illustrate an unusually interesting line of investigation—into the properties of a new Handley Page wing of peculiar "cranked" plan form. As will be gathered from the photograph, the H.P. 88 embodied a Supermarine fuselage modified in certain par ticulars, notably in the addition of dive brakes of large area well aft on the fuselage sides. This machine was a joint Handley Page and Blackburn and General Aircraft venture. Fnirey F.D.I DESIGNED "for impor tant research work with revolutionary possibilities in the design and opera tion of fighter aircraft," the F.D.i is a delta-wing research machine of unusually small dimensions (span, 19ft 6|in; length, 26ft 3m). The power unit is a Rolls-Royce Derwent, but bullet-shaped fairings grouped around the tail-pipe suggest that rocket propulsion has been envisaged. Avro Ashlon POWERED with four wing-mounted Rolls- Royce Nenes, the 82,000-lb Ashton is a high- altitude research aircraft. Six examples have been built for use at Ministry of Supply establishments and each has a specific purpose to fulfil. The pressure differential is 8\ lb/sq in, which main tains a cabin altitude equivalent to 8,000ft when the aircraft is flying at 40,000ft. The span is 120ft. Yichers Tay—Viscount THIS devel opment air craft is the second Viscount prototype (Type 663, with short fuselage), powered with two Rolls-Royce Tay turbojets, of approximately 6,250-lb thrust, in place of the four Rolls-Royce Dart turboprops. Built to the order of the Ministry of Supply, it is used for research into problems associated with high-altitude, high-speed flight. U.I*. Sapphire-Hastinas THE first experi mental application of Armstrong Siddeley Sapphire turbojets to a transport aircraft was the installation of two of these units in a Handley Page Hastings airframe last year. As will be seen from the photograph, the two inboard Bristol Hercules piston engines are retained.
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