PROGRESS IN BRITAIN
NEW GREAT WIND TUNNEL
VARIABLE DENSITIES
(British Official Wireless.) RUGBY, sth February. The National Physical Laboratory at Teddington has had erected a. variable density tunnel for the purpose of research. The construction of tho tunnel by Messrs. John Brown, of Sheffield, marks a. distinct advance in the technique to withstand high pressures. Tho tunnel, composed of the largest hollow'rolled steel drums in the world, has withstood a test prossuro of 550 tons per square inch. High-speed aeronautics and land racing already owe many successes to the results of research in the wind tunnels 'of the National Physical Laboratory. The chassis and body of the Blue Bird car in which Captain Malcolm Campbell succeeded in beating the late Sir Henry Segrave's land speed record, were subjected to exhaustive tests Of this kind. It is anticipated t 4 hat research in the new tunnel will yield data of great value.
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Bibliographic details
Evening Post, Volume CXI, Issue 32, 7 February 1931, Page 13
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151PROGRESS IN BRITAIN Evening Post, Volume CXI, Issue 32, 7 February 1931, Page 13
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