Results of 200 tests made to determine acoustic principles that must be considered; noise characteristics of mowers and their components were determined with aid of Armour Research Foundation reverberation chamber; engine, blade, deck, and muffler were studied and six major noise components established; two components of engine noise can be reduced by using cover for exposed engine above deck; noise control abilities defined as cover and deck factors.
Noise quieting principles for rotary type power lawn mowers
SAE -- Paper
SAE Meeting ; 1960 Noise control
1960
22 pages
Conference paper
English
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NOISE QUIETING PRINCIPLES FOR ROTARY TYPE POWER LAWN MOWERS
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