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Propulsion machinery
[td][/td] [td]===Propulsion machinery===[/td]
[td]===Propulsion machinery===[/td] [td]The {{lang|de|Scharnhorst}}-class ships used the same powerplant as in the preceding {{lang|de|Roon}} class: three 3-cylinder triple expansion engines.{{sfn|GrΓΆner|p=50}} Each engine drove a single propeller; the one on the center shaft on {{lang|de|Scharnhorst}} was {{convert|4.7|m|ftin|abbr=on}} in diameter while the outer two were {{convert|5|m|ftin|abbr=on}} wide. {{lang|de|Gneisenau}}{{'}}s screws were slightly smaller, at {{convert|4.60|m|ftin|abbr=on}} wide on the center shaft and {{convert|4.80|m|ftin|abbr=on}} on the outer pair. The triple expansion engines were supplied with steam by 18 coal-fired marine-type [[water-tube boiler]]s with 36 fire boxes. The boilers were vented through four [[funnel (ship)|funnels]] located [[amidships]].{{sfn|GrΓΆner|p=52}}[/td]
[td]The {{lang|de|Scharnhorst}}-class ships used the same powerplant as in the preceding {{lang|de|Roon}} class: three 3-cylinder [[triple-expansion steam engine]]s.{{sfn|GrΓΆner|p=50}} Each engine drove a single propeller; the one on the center shaft on {{lang|de|Scharnhorst}} was {{convert|4.7|m|ftin|abbr=on}} in diameter while the outer two were {{convert|5|m|ftin|abbr=on}} wide. {{lang|de|Gneisenau}}{{'}}s screws were slightly smaller, at {{convert|4.60|m|ftin|abbr=on}} wide on the center shaft and {{convert|4.80|m|ftin|abbr=on}} on the outer pair. The triple expansion engines were supplied with steam by 18 coal-fired marine-type [[water-tube boiler]]s with 36 fire boxes. The boilers were vented through four [[funnel (ship)|funnels]] located [[amidships]].{{sfn|GrΓΆner|p=52}}[/td] [td][/td]
[td][/td] [td]The engines were designed to provide {{convert|26,000|PS|kW ihp|-1}}, though on trials they achieved higher figuresβ{{cvt|28782|PS|kW ihp}} for {{lang|de|Scharnhorst}} and {{cvt|30396|PS|kW ihp}} for {{lang|de|Gneisenau}}. The ships were rated at a top speed of {{convert|22.5|kn}}, though on trials {{lang|de|Scharnhorst}} steamed at a maximum of {{convert|23.5|kn}}, while {{lang|de|Gneisenau}} ran at {{convert|23.6|kn}}.{{sfn|GrΓΆner|p=52}} The vessels carried {{cvt|800|t}} of coal normally, though they were capable of storing up to {{convert|2000|MT|abbr=on}} of coal. This provided a maximum range of {{convert|4800|nmi|lk=on}} at a cruising speed of {{convert|14|kn}}.{{sfn|Herwig|p=268}} When the ships decreased speed slightly to {{convert|12|kn}}, the range increased to {{cvt|5120|nmi}}. The vessels' electrical plant consisted of four turbo-generators that delivered 260 kilowatts at 110 [[volt]]s.{{sfn|GrΓΆner|p=52}}[/td]
[td]The engines were designed to provide {{convert|26,000|PS|kW ihp|-1}}, though on trials they achieved higher figuresβ{{cvt|28782|PS|kW ihp}} for {{lang|de|Scharnhorst}} and {{cvt|30396|PS|kW ihp}} for {{lang|de|Gneisenau}}. The ships were rated at a top speed of {{convert|22.5|kn}}, though on trials {{lang|de|Scharnhorst}} steamed at a maximum of {{convert|23.5|kn}}, while {{lang|de|Gneisenau}} ran at {{convert|23.6|kn}}.{{sfn|GrΓΆner|p=52}} The vessels carried {{cvt|800|t}} of coal normally, though they were capable of storing up to {{convert|2000|MT|abbr=on}} of coal. This provided a maximum range of {{convert|4800|nmi|lk=on}} at a cruising speed of {{convert|14|kn}}.{{sfn|Herwig|p=268}} When the ships decreased speed slightly to {{convert|12|kn}}, the range increased to {{cvt|5120|nmi}}. The vessels' electrical plant consisted of four turbo-generators that delivered 260 kilowatts at 110 [[volt]]s.{{sfn|GrΓΆner|p=52}}[/td]
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β Previous revision
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[td][/td]Revision as of 23:37, 4 September 2025
[/td][td][/td] [td]===Propulsion machinery===[/td]
[td]===Propulsion machinery===[/td] [td]The {{lang|de|Scharnhorst}}-class ships used the same powerplant as in the preceding {{lang|de|Roon}} class: three 3-cylinder triple expansion engines.{{sfn|GrΓΆner|p=50}} Each engine drove a single propeller; the one on the center shaft on {{lang|de|Scharnhorst}} was {{convert|4.7|m|ftin|abbr=on}} in diameter while the outer two were {{convert|5|m|ftin|abbr=on}} wide. {{lang|de|Gneisenau}}{{'}}s screws were slightly smaller, at {{convert|4.60|m|ftin|abbr=on}} wide on the center shaft and {{convert|4.80|m|ftin|abbr=on}} on the outer pair. The triple expansion engines were supplied with steam by 18 coal-fired marine-type [[water-tube boiler]]s with 36 fire boxes. The boilers were vented through four [[funnel (ship)|funnels]] located [[amidships]].{{sfn|GrΓΆner|p=52}}[/td]
[td]The {{lang|de|Scharnhorst}}-class ships used the same powerplant as in the preceding {{lang|de|Roon}} class: three 3-cylinder [[triple-expansion steam engine]]s.{{sfn|GrΓΆner|p=50}} Each engine drove a single propeller; the one on the center shaft on {{lang|de|Scharnhorst}} was {{convert|4.7|m|ftin|abbr=on}} in diameter while the outer two were {{convert|5|m|ftin|abbr=on}} wide. {{lang|de|Gneisenau}}{{'}}s screws were slightly smaller, at {{convert|4.60|m|ftin|abbr=on}} wide on the center shaft and {{convert|4.80|m|ftin|abbr=on}} on the outer pair. The triple expansion engines were supplied with steam by 18 coal-fired marine-type [[water-tube boiler]]s with 36 fire boxes. The boilers were vented through four [[funnel (ship)|funnels]] located [[amidships]].{{sfn|GrΓΆner|p=52}}[/td] [td][/td]
[td][/td] [td]The engines were designed to provide {{convert|26,000|PS|kW ihp|-1}}, though on trials they achieved higher figuresβ{{cvt|28782|PS|kW ihp}} for {{lang|de|Scharnhorst}} and {{cvt|30396|PS|kW ihp}} for {{lang|de|Gneisenau}}. The ships were rated at a top speed of {{convert|22.5|kn}}, though on trials {{lang|de|Scharnhorst}} steamed at a maximum of {{convert|23.5|kn}}, while {{lang|de|Gneisenau}} ran at {{convert|23.6|kn}}.{{sfn|GrΓΆner|p=52}} The vessels carried {{cvt|800|t}} of coal normally, though they were capable of storing up to {{convert|2000|MT|abbr=on}} of coal. This provided a maximum range of {{convert|4800|nmi|lk=on}} at a cruising speed of {{convert|14|kn}}.{{sfn|Herwig|p=268}} When the ships decreased speed slightly to {{convert|12|kn}}, the range increased to {{cvt|5120|nmi}}. The vessels' electrical plant consisted of four turbo-generators that delivered 260 kilowatts at 110 [[volt]]s.{{sfn|GrΓΆner|p=52}}[/td]
[td]The engines were designed to provide {{convert|26,000|PS|kW ihp|-1}}, though on trials they achieved higher figuresβ{{cvt|28782|PS|kW ihp}} for {{lang|de|Scharnhorst}} and {{cvt|30396|PS|kW ihp}} for {{lang|de|Gneisenau}}. The ships were rated at a top speed of {{convert|22.5|kn}}, though on trials {{lang|de|Scharnhorst}} steamed at a maximum of {{convert|23.5|kn}}, while {{lang|de|Gneisenau}} ran at {{convert|23.6|kn}}.{{sfn|GrΓΆner|p=52}} The vessels carried {{cvt|800|t}} of coal normally, though they were capable of storing up to {{convert|2000|MT|abbr=on}} of coal. This provided a maximum range of {{convert|4800|nmi|lk=on}} at a cruising speed of {{convert|14|kn}}.{{sfn|Herwig|p=268}} When the ships decreased speed slightly to {{convert|12|kn}}, the range increased to {{cvt|5120|nmi}}. The vessels' electrical plant consisted of four turbo-generators that delivered 260 kilowatts at 110 [[volt]]s.{{sfn|GrΓΆner|p=52}}[/td]
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