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Charlotte Dundas
The ''Charlotte Dundas'' is regarded as the world's "first practical steamboat", the first towing steamboat and the boat that demonstrated the practicality of steam power for ships.〔Fry, p. 27.〕
==Early experiments==
Development of experimental steam engined paddle boats by William Symington had halted when the sponsor, Patrick Miller of Dalswinton, abandoned the project. Symington had continued building steam pumping engines and mill engines. In 1793 he had developed a drive using a pivoted crosshead beam above the vertical cylinder to transmit power to a crank.
Miller's project and Captain John Schank's unsuccessful attempt at a canal steam tug had come to the attention of Thomas, Lord Dundas, Governor of the Forth and Clyde Canal Company, and at a meeting of the canal company's directors on 5 June 1800 approved his proposals on the basis of ''"a model of a boat by Captain Schank to be worked by a steam engine by Mr Symington"''.
The boat was built by Alexander Hart at Grangemouth to Symington's design with a vertical cylinder engine and crosshead transmitting power to a crank driving the paddlewheels. Trials on the River Carron in June 1801 were successful. This first boat may have been named the ''Charlotte Dundas'' and the trials apparently included towing sloops from the river Forth up the Carron and thence along the Forth and Clyde Canal. There was concern about wave damage to the canal banks, and possibly the boat was found to be underpowered on the canal, so the canal company refused further trials.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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