Patent ID: 8527113

Claim:
A remote vehicle comprising: a chassis; a main track drive shaft spanning a width of the chassis; at least one other shaft spanning a width of the chassis substantially parallel to the main track drive shaft; first and second hubs connected to the main track drive shaft on opposite sides of the main track drive shaft, and third and fourth hubs connected to the other shaft on opposite sides of the other shaft, the first and second hubs being rotated by the main track drive shaft, the first and third hubs being located on a first side of the remote vehicle and the second and fourth hubs being located on a second side of the remote vehicle; a first main track surrounding, engaging, and extending between the first and third hubs on a first side of the chassis, and a second main track surrounding, engaging, and extending between the second and fourth hubs on a second side of the chassis, the first main track being driven by rotation of the first hub and the second main track being driven by rotation of the third hub; and a wheel connected directly or indirectly to each of the first, second, third, and fourth hubs, the wheel having a diameter that is greater than a diameter of a hub to which it is connected and being configured to directly contact a driving surface in use; wherein each wheel releasably engages a respective hub of the remote vehicle, wherein each wheel is releasable using a jettisoning mechanism controlled by an operator upon arriving at a destination.