All these quad rotor drones with tiny powerful lightweight electric motors has made me think. In the 1800s visionary author Jules Verne imagined an 'airship' lifted aloft by massive of propellers like sails. At the time it was forward thinking but air travel took quite different forms, So ever since it has been largely dismissed as unworkable. But would it now be possible?
And to anyone asking why anyone would bother...
And to anyone asking why anyone would bother...