Check Out This “Helicopter Chainsaw”
A video has been making the rounds of a “helicopter chainsaw” trimming a row of trees. It’s a helicopter that has a long aluminum tube with 10 spinning blades attached…

(Photo by Justin Sullivan/Getty Images)
A video has been making the rounds of a "helicopter chainsaw" trimming a row of trees. It's a helicopter that has a long aluminum tube with 10 spinning blades attached to it
. . . and the blades are cutting through branch after branch.
It can do the same amount of work in one hour that would take a crew of men several days to finish.