Powertrain

Insight

USVs

Autonomous vessels for marine applications continue to be developed and matured in a similar...

In Operation

Skyfish M6 and M4

Aerial photogrammetry is one of the longest-running and most common UAS services in the world...

Digest

Addverb Dynamo 1T

While it is tempting to attribute the rising use of UGVs in warehouse operations...

Dossier

50 issues and counting

In the words of Dr Donough Wilson in our inaugural issue, in November 2014, There are no rules...

Dossier

Limbach 2400 DX and 550 EFG

We previously featured German aero engine manufacturer Limbach in UST 17 (February/March 2018). In that article, the company detailed its 7 kg L 275 EF two-stroke boxer twin that produces 18 kW and is aimed squarely at the kind of 25 kg MTOW UAV that has become the mainstay of aerial data and surveillance providers.

Focus on...

Solar power

Many UAVs and USVs now come fitted with solar panels covering much of their surfaces. The interest in solar energy comes from more than it being a potentially limitless source of green power; for uncrewed systems it extends autonomy in a practical sense.

Focus on...

Propellers

Uncrewed systems have evolved over the past few years, leading to commercial, high-end UAV manufacturers attracting investment and setting up partnerships with organisations in markets including logistics, energy and defence....

Dossier

Infinity fuel cells

As PEM fuel cell solutions mature, so interest turns increasingly towards optimising their efficiency and minimising the amount of heat wasted...

Platform One

Countdown starts for cells

GS Yuasa Lithium Power (GYLP) is developing a small but scalable battery for space systems. The small form factor lithium-ion battery has completed the Preliminary Design Review and is now moving to the critical design phase....

Platform One

Real-time fuel level data

A capacitive fuel level sensor from Reventec is being used to provide realtime level data from a Martin UAV V-BAT tactical UAS. Reventec’s LS200 has a solid-state capacitive sensor with no moving parts and measures the full depth of the fuel tank to an accuracy of ±0.5% to provide critical fuel level data to operators...