At what distance from the vehicle? Every time you double the distance
from the vehicle, the sound level drops by 6dB.
On Tue, Mar 06, 2001 at 04:40:11PM -0800, Dan USA wrote:
> 27201. For the purposes of Section 27200, the noise limit of 92 dbA shall
> apply to any motorcycle manufactured before 1970.
>
> 27202. For the purposes of Section 27200, the following noise limits shall
> apply to any motorcycle, other than a motor-driven cycle, manufactured:
>
> After 1969, and before 1973 ............ 88 dbA
> After 1972, and before 1975 ............ 86 dbA
> After 1974, and before 1986 ............ 83 dbA
> After 1985 .......................................... 80 dbA
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john@idsfa.net John Stimson
http://www.idsfa.net/~john/ HMC Physics '94
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