Tunnel 3 by 4 ft, at Royal Aircraft Establishment, Bedford, is in operation with fixed Mach 4 nozzle, can reproduce free flight Reynolds numbers of 20-ft long body at 60, 000 ft or above on quarter scale model; variable nozzle for Mach range 2.5-5 will be fitted; power input to compressors is 88,000 bhp; air is dried to less than 0.00002 lb water/lb air (dewpoint below -70 F); corners in circuit, which is 154 ft 6 in. between center lines of cascade bends, make it suitable for use with flexible flutter models. (see also Aircraft Eng v 33 n 387 May 1961 p 136-44; Instrument Practice v 15 n 5 May 1961 p 581-6; Shell Aviation News n 276 June 1961 p 8-11)
High supersonic wind tunnel
Engineer
Engineer ; 211 , n 5489
1961
7 pages
Article (Journal)
English
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Engineering Index Backfile | 1961
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