The biggest problem with electric VTOL aircraft is the VTOL system. It's a pain. The world-changing convenience of vertical lift systems comes with a high price tag: they weigh a heap, particularly ...

Hartzell Propellers worked with Beta Technologies to develop, test, and certify a five-bladed pusher propeller for advanced air mobility aircraft such as Beta’s Alia CX300 electric airplane and Alia ...

It's a fairly classic design; large wings, crossed by four long propulsion pods supporting eight vertical lift props. The middle two pods are joined by a relatively large rear wing, and there's a ...