• FuglyDuck@lemmy.world
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    3 months ago

    I used to chuckle about people pushing flying cars.

    Aircraft typically use their main engines to push themselves around on the ground. It’s ridiculously inefficient. If you add an otherwise more efficient drivetrain that powers the wheels, that’s added weight, added complexity, and these hybrid trains usually suck at both jobs anyhow.

    Further, flying will always be more fuel inefficient because in addition to moving, you’re spending some energy on staying in the air.

    The best approach, if your rich enough to afford entertaining this notion, is just to have 2 vehicles, one a car designed to do car-things and the other an aircraft (probably a far 103 compliant ultralight.)

    And if you are rich enough, please please get any of the large number of quad-rotor designs that are coming out- and right me in the will. (For some reason they forgot that bird strikes shatter rotors and the disc planes are literally at neck height. Just saying. Cf this one)(also, just for the record my 150 rc helis have enough energy to decapitate you in the rotors if you disrespect it. These, when they shatter, are basically thrown straight out and are flying daggers.)