A horde of ingenious home-made kit and a clutch of noughties Massey Fergusons are just some of the treasures hiding in the ...

Abstract: Since the spherical reluctance motor (SPRM) works in saturation, it is difficult to estimate the rotor position. In this article, a new rotor position estimation method for SPRM is proposed.

Case IH’s giant AF11 combine has landed in Manitoba, but does it live up to its marketing? Our reporter went on a field trip ...

Abstract: This article proposes an initial rotor position estimation scheme for a surface-mounted permanent magnet synchronous motor. The proposed method involves injecting voltage in six 60° ...

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Boeing introduced its new Collaborative Transformational Rotorcraft, a modular tiltrotor drone designed to team with Army helicopters. Boeing has unveiled a new large-scale unmanned aircraft concept, ...

As the investigation continues into Saturday’s helicopter crash that injured five people in Huntington Beach, a retired helicopter pilot believes the problem likely originated with the aircraft’s tail ...

The twin Flettner rotor ship Buckau made its maiden voyage into Grangemouth in 1925 It must have been a bizarre sight when a freight ship, equipped with two large rotating towers, made its way under ...

It must have been a bizarre sight when a freight ship, equipped with two large rotating towers, made its way under the Forth Bridge a century ago. The experimental sail technology, on the rotor ship ...

Boeing is designing a tiltrotor drone wingman concept to support the Army’s helicopter fleet, similar to the Air Force’s push for collaborative combat aircraft, as the Army rushes to field unmanned ...

The Phantom Works unit of aircraft manufacturer Boeing has unveiled a new autonomous tiltrotor concept aimed at military operators. Dubbed the Collaborative Transformational Rotorcraft (styled as CxR ...

This story is part of the October 4 edition of Good Weekend.See all 14 stories. The scent of eucalypt trees inspires Stephen Hopper, a genial giant of the botanical world. Each working day over recent ...