Dossier

Honeywell 600U, 600U-HV and 1200U fuel cells

In UST 14 (June/July 2017) we featured the hydrogen fuel cell from the Protonex Technology Corporation, which at the time was principally used by Insitu...

Dossier

IAC AV-21

Competitive motorsport has, for over a century, motivated countless innovations that have filtered through to safer, more comfortable and more efficient automotive solutions...

Dossier

ULPower UL350i and UL350iHPS

ULPower Aero Engines is a Belgian company best known for designing and supplying power units for a variety of light sport aircraft. Its inception...

Dossier

UAVE 120 cc four-stroke

UAVE (pronounced ‘wave’) is a UAV manufacturer and operator that has been active for some time, during which it has accrued an eclectic range of missions and capabilities, flying many extreme environments and advanced payloads with its Prion UAVs. At the centre of all its works has been the DS120, a four-stroke, single-cylinder, spark-ignited engine, unique to this UK-based company and its aircraft. While UAVE does not sell this engine...

Dossier

ACC Thunder Wasp UAV

Across land and sea, industry is crying out for ever-safer and more efficient heavy-lifting capabilities. UAVs represent the promise of highly flexible and cost-effective logistics: an uncrewed heavy lifter for picking up anything and placing it anywhere. However, the most prolific UAVs...

Dossier

Wave J-1

Pulsejet engines are, mechanically speaking, among the simplest combustion engines in existence. They typically consist of a short, stubby intake pipe, a longer exhaust pipe, a combustion chamber, an ECU, and some fuel valving and injection parts possibly present in modern versions.

Dossier

Avadi Engines

The era of UAVs has ushered in a variety of new approaches to power and propulsion as uncrewed aircraft manufacturers race to offer improved flight endurance, lower maintenance overheads, better fuel efficiencies, less vibration and other advantages over their competitors....