Bellona became the starting point for several related third-rate designs whose underwater forms varied in small ways. The Arrogant, Ramillies, Egmont, Elizabeth, and Culloden families collectively produced roughly forty design relatives. British practice was iterative, while French builders sought standardized designs and maximum output. The difference was partly industrial: a larger construction program gave British designers more opportunities to test variations, while French losses increased pressure to replace ships quickly.
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Different approaches to warship standardization
Bellona's design family reflects the incremental experiments permitted by British building depth while France sought standardized output.