Drive system for a vehicle

A vehicle comprising two drive systems, wherein each of the two drive system comprises:

• an asymmetrical rotor which has at least one rotor blade extending radially from a rotor axle, and a counterweight which is opposite the at least one rotor blade, the system further comprising a control device for an electric motor, wherein the control device connects the electric motor to at least one battery element for the power supply thereof, and wherein the control device is configured and designed, during a revolution cycle, which includes 1-3 revolutions of the at least one rotor blade, to bring about at least one acceleration phase, in which the electric motor can be accelerated to accelerate the rotor, and at least one braking phase, in which the electric motor can be braked, the control device being designed, during at least part of the braking phase, to connect the electric motor to at least one of the at least one battery element in generator mode, wherein the asymmetrical rotors of the two drive systems rotate in opposite directions, and the control devices which control the respective acceleration phases and braking phases of the asymmetrical rotors in such a way that at least some of the braking energy of one rotor is used to accelerate the other rotor.