The generic term for all flying cars in use around the year 2020. Only specially authorized people and police are licensed to operate these remarkable vehicles, which are capable of street driving, vertical lift-off, hovering and high-speed cruising. The Spinner is powered by three engines -- conventional internal combustion, jet and anti-gravity.
Syd Mead explained in subsequent articles that the concept was actually one of internal lift like that used in vertical take-off aircraft today--NOT anti-gravity, ed.
Murray Chapman