tip jets

jet rotor

jet rotor
A helicopter rotor driven by jet engines mounted on the blades. Also called tip jets.
References in periodicals archive ?
Tip jets travel east from the tip of Greenland towards Iceland, at speeds of 30 to 40 metres per second.
Now known as reverse tip jets, these also force circulation of water over the Labrador Sea to the west of Greenland.
Moore and his colleagues, along with graduate students and post-doctoral fellows, will be making 17 flights into the tip jets in a British research aircraft called FAAM (Facility for Airborne Atmospheric Measurements).