[car] The HP was a British three-wheeled cyclecar made from 1926 to 1928 by Hilton-Peacey (possibly Pacey) Motors of Woking, Surrey. Most cars used an air-cooled 500 cc single-cylinder JAP engine but one had a larger 600 cc version and another two 500 cc Dunelt 2 strokes and three 500 cc Vulpine overhead valve engines. The drive was by chai... Found on http://en.wikipedia.org/wiki/HP_(car)