class battlecruiser class group battlecruisers ordered imperial_german_navy april derived fact lead ship intended replacement german armored cruiser lost mines slightly enlarged version class battlecruiser armed guns opposed weapons preceding design boilers single massive funnel ships originally ordered class design changed details british admiral class battlecruisers known german intelligence vessels ordered provisional names considered replacements armored cruisers sunk german mines sunk battle islands ships class completed primarily shifting wartime construction priorities boats deemed important germany war effort work types ships slowed halted outright lead ship vessel construction begin years completion time work abandoned hull incomplete ship launched towed ship breakers result broken design general characteristics class ships previous class ships long compared earlier vessels beam earlier vessels draft ships planned displace tonnes long tons standard weight long tons fully laden approximately long tons heavier class ships hulls constructed longitudinal steel frames outer plating machinery german battlecruisers built class ships equipped sets parsons turbine engines drove bladed screw diameter turbines supplied steam coal fired single ended boilers oil fired double ended boilers intended use fluid transmission turbines turbines retained direct coupled geared ships electrical power provided diesel generators intended mount pair twin alongside steering power plant rated shaft horsepower revolutions minute preceding class ships slightly greater size reduced speed somewhat knots mph class ships knots mph new vessels ships designed store long tons coal long tons oil purpose designed fuel areas hull torpedo bulkhead outer wall ship fuel storage additional space provided increased total long tons coal long tons oil fuel stores topped ships estimated able steam nautical miles cruising speed mph armament ships main battery consisted guns twin gun turrets placed superfiring pairs fore aft superstructure guns mounted class battleships guns initially degrees elevate degrees provided maximum range gun modified allow elevation degrees range increased turrets train degrees centerline main battery supplied total shells rounds gun guns rate fire shells minute post war tests conducted british_royal_navy showed guns battleship ready fire seconds firing significantly faster british contemporaries guns renown class took seconds guns fired armor piercing shells charge brass cartridge shells fired muzzle velocity meters second gun expected fire shells replacement required ships secondary battery consisted quick firing guns mounted armored casemates central superstructure gun supplied rounds maximum range later extended guns sustained rate fire rounds minute shells loaded charge brass cartridge guns fired muzzle velocity meters second guns expected fire shells needed replaced ships armed guns single pedestal mounts arranged rear superfiring main battery turret forward conning tower guns allowed depression degrees elevation degrees guns fired shells effective ceiling degrees standard warships period equipped submerged torpedo tubes tubes bow flank ship torpedoes type long carried torpedoes range set speed knots reduced speed knots range increased significantly armor class ships protected krupp cemented steel armor standard german warships period armor layout identical preceding class similar armor scheme preceding class ships armor belt thick central citadel ship important parts ship located included ammunition magazines machinery spaces belt reduced critical areas forward aft belt tapered bow stern protected armor thick torpedo bulkhead ran length hull meters main belt main armored deck ranged thickness thick important areas sections covered critical areas ship forward conning tower protected heavy armor sides thick roof thick rear conning tower armored sides thick roof covered armor plate main battery gun turrets heavily armored turret sides thick roofs thick guns worth armor plating casemates guns thick shields protect crews shell splinters construction cancellation ships ordered new design replacement armored cruiser ordered hamburg laid july construction number work ship took place order dockyard workers occupied construction suspended concentrate boat program hull frames assembled subsequently scrapped slip replacement armored cruiser ordered kiel construction number work started shifting priorities material constructed diesel engines built subsequently installed type boats replacement armored cruiser ordered hamburg construction number construction began shifting priorities design formed basis class battleships built kriegsmarine mid-1930s
Ersatz Yorck-class battlecruiser