Lamborghini Miura cars over the race car-derived machines produced by local rival Ferrari. The Miura's rolling chassis was presented at the 1965 Turin auto show, and the prototype P400 debuted at the 1966 Geneva show. It received stellar receptions from showgoers and the motoring press alike, each impressed by Marcello Gandini's sleek styling and the car's revolutionary mid-engine design. Lamborghini's flagship, the Miura received periodic updates and remained in production until 1973. A year later the extreme Countach entered the company's lineup, amid tumultuous financial times for the company. During 1965, Lamborghini's three top engineers, Gian Paolo Dallara, Paolo Stanzani and Bob
V12 engine Zeppelins had 12-cylinder engines from German manufacturers Maybach and Daimler. Austro Daimler of the Austro-Hungarian empire, produced also V12, designed by Ferdinand Porsche, with first 300 and later 345 hp, used with the big flying boats of the A-H Naval Air force. Various U.S. companies produced the Liberty L-12. Soon after the end of World War I V12 engines powered the first trans-atlantic crossings by the Curtiss NC Flying boats (4 x Liberty L-12), the first non-stop crossing by Alcock and Brown in a Vickers Vimy (2× Rolls-Royce Eagles and the first airship crossing by HM airship R-34 (5× Sunbeam