CONTENTS


12 JULY 2022 COVER Heads-up


What are the pros and cons of diff erent head-up display systems?


POWERTRAIN Fuelling the future


There’s some news about hydrogen research and combustion engines


8 MATERIALS


Stainless steel for sustainable machines


26


This new e-scooter relies on a novel manufacturing technique to make the frame section


POWERTRAIN


Magnetic gears for urban air mobility


Why there’s so much aerospace interest in this new type of motor


10 MATERIALS


Making sustainability measurable


An outline of a more holistic approach to material selection


30 MATERIALS Material gain 34


There’s a new composite material that’s heat resistant but not expensive. Could be just what you’re looking for


News from the world of composites MATERIALS


Fantastic plastic www.engineerlive.com 36 3 6 POWERTRAIN Options for aircraft


Here’s how the aviation industry can tackle climate change and be more sustainable


12 MATERIALS How to cut back on scrap


Highlighting how one company is reducing waste during thermoplastics manufacture


32 30


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