312 emergency ships christened "Ugly Ducklings," renamed by Maritime Commission; problems overcome in planning Liberty fleet; ships are single screw cargo vessels, each powered with one 3-cyl, direct acting, surface condensing triple expansion marine engine of 2500 ihp at 76 rpm; steam applied by two water tube boilers at 220 lb per sq in. gage pressure and 450 F total temperature at superheat outlet; discussion of specifications and equipment of ships.
"Liberty ships"
Mar Progress
Marine Progress ; 9 , n 7 ; p 10-11 + 22 + 24
1941
Article (Journal)
English
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