 The engine was so good that it was later fitted to another ship, the paddle steamer "Queen of Beauty".The Leven engine – his first engine – now rests at the Denny Ship Model Experiment Tank branch of the Scottish Maritime Museum in Dumbarton.In 1827, Napier had the unique distinction of having built the engines of both of the two fastest ships to compete in the Northern Yacht Club's August Regatta, namely the paddle steamers "Clarence" and "Helensburgh".