The Chinese clone of the Sikorsky S-97 Raider compound helicopter appeared again in a video recently emerged online. Months ...

Newly emerged images raise the possibility that China has built another compound helicopter demonstrator, following the S-97 ...

LONDON - Britain's Royal Navy said on Friday (Jan 16) its first full-sized autonomous helicopter, designed to track submarines and carry out other high-risk missions amid rising North Atlantic ...

LONDON, Jan 16 (Reuters) - Britain’s Royal Navy said on Friday its first full-sized autonomous helicopter, designed to track submarines and carry out other high-risk missions amid rising North ...

The Proteus, UK's first truly autonomous full-size helicopter, flies as on the day it completed its maiden flight operating from Predannack airfield in Cornwall, Britain, in this handout obtained by ...

GE and Lockheed Martin have demonstrated a new rotating detonation engine ramjet design in a series of tests that show significant potential for efficiency gains. If developed into a full missile ...

Abstract: Radial-flux fractional slot concentrated winding (FSCW) yokeless counter-rotating dual-rotor permanent magnet (YCDRPM) machines are proposed and investigated in this paper. Counter-rotating ...

Like cursed penguins, a whole barrage of helicopter designs has failed to make it. From advanced stealth helicopters that cost billions, to sleek gunships and vast flying cranes that proved too much, ...