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Cornelius Willett Van Ranst (December 7, 1892 – October 11, 1972) was an American racecar driver who competed in the 1921 Indianapolis 500. ==Biography== He was born on December 7, 1892 in New York City, New York. An engineer by trade, Van Ranst developed the overhead valve cylinder heads for the Ford-Frontenac engine fielded by Louis Chevrolet in 1921.〔 In 1927 he and Tommy Milton built a front-wheel drive race car for the Indy 500 dubbed the Detroit Special. He also worked as an engineer for Duesenberg and Cord Automobile and was instrumental in the development of the Cord L-29, one of the first front wheel drive road cars.〔(C.W. van Ranst ), Historic Racing〕 In 1930 he, once again with Milton's collaboration, designed an all-new V12 engine for Packard. The initial engine was of 6,157 cc capacity with the unusual vee angle of 67° and was intended for use in a front-wheel drive chassis. The onset of the Depression meant that it was never offered for sale and in 1931 Packard paid Milton and Van Ranst $10,000 for the rights to it. It was finally exhibited in January 1932, although as a rear-wheel drive chassis. This engine and chassis appeared slow, under-powered and lacking in torque. Packard engineer Charlie Vincent enlarged both bore and stroke to a new capacity of 7,300 cc, also relocating the spark plugs nearer the center of its unusual "inverted hemi-head" combustion chamber, amidst a host of detail changes. Production of this new "Packard Twin Six" continued successfully until the outbreak of World War Two. He died on October 11, 1972 in Detroit, Michigan. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「C. W. Van Ranst」の詳細全文を読む スポンサード リンク
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