Could Britain sustain its research lead?

Could the Royal Navy stay far enough ahead that no rival could match its pace of development?

Possibly for a time, especially if the programme strengthens industry and deters war, but rival funding and politics make a permanent lead impossible to predict.

Continued naval research could sustain an early British lead if it produced returns for British industry. A fleet that deterred war would also protect the economic base paying for the programme. Whether Britain remained ahead would depend on the money other states committed to their own development. A major war or political interference could alter that balance. The scale of the industrial return and the reactions abroad remain open questions in the scenario.