Q&A ยท 1:27:04-1:28:51

Treaty limits and turbo-electric warship propulsion

Turbo-electric drive offered machinery redundancy, but its weight competed directly with armor and armament under treaty limits.

Question

Would looser interwar treaty limits have encouraged more turbo-electric capital ships?

Short answer

Removing cumulative limits could make turbo-electric drive more attractive, but a modest tonnage increase would probably be spent on armor and guns first.

Notes

Under treaty limits, machinery weight competes with armor and armament. An additional 10,000 tons would probably go to guns and protection first, while removing limits altogether would make turbo-electric drive more attractive. Turbines supply generators and electric motors turn the shafts, allowing power from a surviving generator to reach several propellers. This provides redundancy at a weight cost. A participant adds disaster-relief utility for carriers and amphibious ships, and the distinction between generating electricity and using it to drive a shaft closes the comparison.