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It is true.. Look around the internet
It is an aerial tree trimmer suspended from a helicopter that uses giant saw blades to shear off branches where they're encroaching on power lines.
"A gang of 10 blades 25 inches in diameter each, so you have a cutting surface of roughly 20 feet, and that's extended from the aircraft by a series of aluminum booms," Ted McAllister of Aerial Solutions, Inc. said.
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The blades spin at 2,400 revolutions a minute, moving up and down to cut back tree limbs under the control of a skilled pilot who leans out of his aircraft to watch his progress.
"The aerial saw is able to turn around and cut from the top down and get a nice clean cut," Scott Wirs, JCP&L Regional Supervisor, said
everything is there.
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