California manufacturer Alef Aeronautics said Tuesday that it began production on its Model A Ultralight—a “drive-and-fly” ...
Alef Aeronautics has started production of its Model A Ultralight, described as world's first flying car. The EV can drive on ...
Sharrow's extraordinary looped propellers were already some 30% more efficient than traditional designs – and now the company has put two of them together into a coaxial, contra-rotating prop that ...