[YS] started with the schematic for the Re:load and made his changes to arrive at this. For him the exercise was just to alter the design to achieve constant resistance. He didn’t actually build ...

The European aerospace giant hopes to get new mileage out of a training dummy drone design from the early 2000s.

Swiss marine power company WinGD has confirmed key parameters for its X-DF-A ammonia-fueled engine design after full-load testing at its Engine Research and Innovation Centre in Winterthur, ...