Dupleix-class cruiser: Difference between revisions

Revision as of 14:27, 17 May 2020

Revision as of 14:28, 17 May 2020

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===Protection===

The [[nickel steel]] [[Belt armor|armor belt]] of the ''Dupleix''-class cruisers extended from {{convert|1.2|m|ftin|sp=us}} below the [[waterline]] to {{convert|1.995|m|ftin|sp=us|0}} above it<ref>Jordan & Caresse, p. 91</ref> and covered the entire length of the ship except for {{convert|62|ft|m|sp=us|1|disp=flip}}<ref name=ck5/> of the stern where it ended in a transverse [[bulkhead (partition)|bulkhead]] {{convert|84|mm|in|sp=us}} thick. The armor was {{convert|102|mm|sp=us|0}} thick, although it reduced to 84&nbsp;mm in front of the forward turret and thinned to {{convert|38|mm|in|sp=us}} at its lower edge.<ref>Jordan & Caresse, pp. 91–92</ref>

The curved protective [[deck (ship)|deck]] had a total thickness of {{convert|42|mm|in|sp=us}} on the flat and {{convert|70|mm|1|sp=us}} on the upper part of the curved portion where it met the bottom edge of the belt armor. Behind the belt armor was a watertight internal [[cofferdam#Naval architecture|cofferdam]], filled with [[cellulose]]. The face and sides of the gun turrets were protected by {{convert|110|mm|in|sp=us|adj=on|1}} [[Harvey armor|Harvey face-hardened armor]] plates, although their roofs were only {{convert|20|mm|sp=us}} thick. The armor plates of the gun [[barbette]]s was {{convert|120|mm|in|sp=us}} thick. The sides of the elliptical [[conning tower]] were 100 to 120 millimeters thick.<ref>Jordan & Caresse, p. 92</ref>