The use of civilian steam paddle steamers on a large scale had another tremendous advantage, which was that it could greatly increase the installed capacity of marine steam engines.
The number of civilian ships was dozens of times greater than that of warships, which promoted rapid improvements in steam engines better than merely installing them on warships.
"Civilian support for the military" is always the best model to push forward new technology.
Moreover, the paddle steamers and the screw propellers used by the French Navy represented completely different technological directions, so there was no worry about other countries copying civilian ship technology for their warships, which was simply perfect.
While Joseph busied himself planning the new shipyard, on the outskirts of Birmingham in England, Watt was also planning financing matters with his company's controlling shareholder, Bolton.