When the French resumed battleship construction in the 1930s after the lapse of the Treaty System, they were faced with a problem. A large infrastructure program in the early part of the century had left them well-equipped to build battleships 200 m long, but as ships got faster, they also got longer, and by the mid-30s, 200m was typical for a heavy cruiser, and battleships would need to be considerably longer. A few 250m drydocks were available, but most building facilities were still at the old limit. To get around this, Dunkerque, the first of the new ships, was built in two sections, a 197m main hull and a 17 m bow, the two then being attached in one of the longer drydocks.

Strasbourg is launched in Saint Nazaire
This worked quite well, and when the only long set of ways available, originally used to build the liner Normandie, was taken up by Dunkerque's sister Strasbourg, the decision was made to build Richelieu, the first of their 35,000-ton treaty battleships, in the same manner. The center section, 197m long, was built in the same drydock as Dunkerque, while the 43m bow and 8m stern were built elsewhere and mated up in drydock. Read more...




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