We’re not entirely sure what to call this one. It’s got the usual trappings of a drone, but with only a single rotor it clearly can’t be called by any of the standard multicopter names.

It is said that it was used for MEDEVAC flights because of the dust stirred by the chopper rotors during the dry season, and also stated an innocuous name was needed for such mercy flights and ...

Rotor Technologies is adopting the Transformer-sounding names Airtruck and Sprayhawk for different markets. Both massive drones are based on the Robinson R44 full-scale helicopter—the world’s ...

Rotor-stator mixers are single-shaft mixers with an impeller rotating in close proximity to a stationary housing. They are used to rapidly break apart solid particles in a liquid, or to emulsify a ...

For the uninitiated, we'll take a look at exactly what the brake rotors do in the wider context of the brakes, how to ...

Piasecki Aircraft's Aerial Reconfigurable Embedded System (ARES) tilt-duct VTOL aircraft has completed its maiden flight. On September 6 at Piasecki's West Helipad in Essington, Pennsylvania the ...

$100 tab turns into a 6-12 grand fix. Rotor Rooter wanting to dig in your yard. PRICE GOUGING, digging in the wrong spot and not even finding the pipe they intended to find. To the legitimacy if ...

Qiang Du [Opens in a new window], Numerous studies have indicated that turbulence typically initiates along the boundary layer of the stationary disk within a rotor–stator cavity. To describe the ...