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A leaf blower, commonly known as a blower, is a device that propels air out of a nozzle to move debris such as leaves and grass cuttings. Leaf blowers are powered by electric or gasoline motors . Gasoline models have traditionally been two-stroke engines , but four-stroke engines were recently introduced to partially address air pollution concerns.
Brushless motors are found in many modern cordless tools, including some string trimmers, leaf blowers, saws (circular and reciprocating), and drills/drivers. The weight and efficiency advantages of brushless over brushed motors are more important to handheld, battery-powered tools than to large, stationary tools plugged into an AC outlet.
Few cordless leaf blowers go beyond 800 CFM, while many on this list range in the sweet spot of 400 to 600 CFM—ample power for spring and summer grass clippings, though heavily tree-populated ...
Powered by the Dyson digital motor V6. This power-dense motor uses digital pulse technology and a neodymium magnet to spin at up to 110,000 rotations per minute. Its small size means that the machines it powers can also be small, light and powerful. The Dyson brand, as well as various reviews, claim that the V6 can have up to a 20-minute run time.
In our testing, we liked how Greenworks saved weight while focusing the air stream via the tapered tube.
Brushed motors were the first commercially important application of electric power to driving mechanical energy, and DC distribution systems were used for more than 100 years to operate motors in commercial and industrial buildings. Brushed DC motors can be varied in speed by changing the operating voltage or the strength of the magnetic field.