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It runs at a very quiet 56 decibels, weighs a scant 8 pounds, and doesn’t produce the hand-numbing vibration you get from comparably powerful gas-powered handheld blowers.
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There are currently twenty California cities that have banned leaf blowers, sometimes only within residential neighborhoods and usually targeting gasoline-powered equipment. Another 80 cities have ordinances on the books restricting either usage or noise level or both. [18] Washington, DC, passed a ban on gas-power leaf blowers in 2018. [19]
Gas blowers run from 80 to 90 decibels, versus 59 to 70 decibels for electric blowers, according to the website LeafScore. The environmental benefits of going electric are substantial.
Many compressed-air engines improve their performance by heating the incoming air or the engine itself. Pneumatic motors have found widespread success in the hand-held tool industry, [1] but are also used stationary in a wide range of industrial applications. Continual attempts are being made to expand their use to the transportation industry.
The most common configuration is a single-cylinder engines that is air-cooled. The combustion cycle can be either two-stroke (which results in a lighter engine for a given power output) [3] [4] or four-stroke (which produce lower levels of exhaust gas emissions). [5] [6] The fuel is usually either petrol or diesel. [7]