Shamrock Ship Models. The most celebrated yachtsman ever to challenge for the America's Cup was the self made millionaire Sir Thomas Lipton. The Shamrock V was launched by Sir Thomas Lipton after his IV had lost. Lipton turned once more to Charles Nicholson, who produced a beautiful sloop. When the races started, Shamrock found herself pitted against Resolute. In the best of seven series Resolute, won four, Shamrock failed to score a single victory. These ship models were built according to the original plans. It needs some semi assembleand measure 32"L x 6"W x 38"H.