This is a little concept design study I did back in 2013, re-imagining Lady Penelope's iconic FAB 1 from Thunderbirds, for the rebooted 'Thunderbirds Are Go'. The design sadly never saw the light of day...

Above: Creighton-Ward branding, in reference to Lady Penelope's family name.

Below: The wheel design, plus supporting sketches explaining the car's ability on water, underwater and in the air.