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Aviation History
1959
1959 - 2233.PDF
Highlights and Sidelights * V of the Static Show WHHBS At r* Bristol Siddeley BE.58 Rolls-Royce RBI41 210 FLIGHT, 11 September 1950 Engines Bristol Siddeley BE.58 In last week'sissue we announced first details of the new range of fan turbojets under developmentby Bristol Siddeley. One of these, which may be the BE.53, is being sponsored byMDWP as the powerplant of the Hawker P.I 127 VTOL strike/fighter for NATO.For this reason no details of the BE.53 may be divulged, but a very closely related unitdesignated BE.58 is on view in mock-up form on the company's stand. So close isthe relationship that the cross-section of the unit immediately downstream of the two-stage fan suggests that in its original form the engine discharged fan air via a pair ofducts on either side; in the exhibit, fan air issues from a complete annulus duct.Above the fan casing is an integrated acces- sory package comprising the Dowty fuelsystem, Rotax low-pressure air starter, twin alternators, Dowty hydraulic pump, fuel/oil heat exchanger and oil tank. Principal data include: intake diameter, 46in; dryweight, 2,600 lb; maximum sea-level thrust, 14,500 lb with s.f.c. of 0.57. de Havilland Double Spectre Power-plant of the "first version" of the Avro Blue Steel stand-off bomb, this rocketengine comprises a DSpe.4 (fixed-thrust) mounted above a fully variable DSpe.5;sea-level rating is 16,000 lb. Napier Eland Labelled "In transit toCanadair" a complete CL.66 powerplant is on view, with the cowlings open andeach major portion annotated. Napier Gazelle Immediately before theshow opened it was announced that the NGa.2 (Bristol 192) has been awarded anM.o.S. 150-hr type test at 1,650 s.h.p. This is the first award to be made under thenew helicopter test schedule. Rolls-Royce Dart Described as the"key to low material costs," long-life hot parts of a Dart are on display havinglogged the following hours: 1-p. turbine disc, 2,800; flame tubes, 4,000; h-p. nozzleguide vanes, 4,500; h-p. turbine blades, 5,000; 1-p. nozzle guide vanes, 6,000; 1-p.turbine blades, 7,000; nozzle box and h-p. turbine disc, 8,200. Rolls-Royce RB.108 This high thrust/weight-ratio VTOL turbojet is displayed this year as a twin package designed to tilt30 deg fore and aft for initial acceleration and deceleration of the SC.l experimentalaircraft. In the SC.1 the four lift engines are mounted in two such packages, shar-ing a common fuel control. Rolls-Royce RB.141 Exhibited as amock-up (see photograph) the RB.141 will be a family of advanced by-pass enginesdesigned to cover a range from 10,000 to 17,500 lb thrust. Rolls-Royce say: "Firstrun is scheduled in October 1959, for RB.141; component testing is already welladvanced; production engines of RB.141 rating up to 14,300 lb thrust will be avail-able from the beginning of 1962; produc- tion engines of RB.163 rating (10,100 lbthrust) will be available at the end of 1962." The 163 is the engine for the D.H.121. Rolls-Royce RB.146 Cleared for dis-play immediately before the show, this advanced Avon incorporates an advancedcompressor (presumably with a zero stage) which increases the mass flow and permitsthe dry rating to be raised to 13,220 lb. The engine exhibited has an afterburnerfitted and, labelled "upper engine," appears suitable for the Lightning. An accompany-ing placard announces that over 6,600 Avons have been completed and that theyhave flown more than 2,500,000 hours.
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