Problem of noise in cabins of civil aircraft; hindrance to commercial development; acoustical effect of engines; airplane propeller; tappets of engine and gearing; treatment of cabin with sound- absorbent materials suggested; every specific for reducing sound means some addition to load and increase in running costs. (see also (discussion) p 200-205; Nat. Advisory Committee for Aeronautics -- Tech. Memo., no. 473, part 1, July 1928, 26 pp., 4 figs)
The problem of noise in civil aircraft and the possibilities of its elimination
Roy Aeronautical Soc. -- Jl
Royal Aeronautical Society -- Journal ; 32 , n 207
1928
15 pages
5 Figs.
Article (Journal)
English
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The problem of noise in civil aircraft and the possibilities of its elimination
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