Technical Layout

Rudders & Propellers

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Rudders & Propellers on Bismarck & Tirpitz
Propellers from Aft
All figures are in mm.
Rudder
All figures are in mm.
Rudder & Propeller Layout - Side view
The figures 2399 and 2746 are in mm.
Rudder & Propeller Layout - Above view

Rudders & Propellers on Bismarck & Tirpitz
Rudder Information
Displacement in tonnes with outside plating and fittings Figures from when the ship was in commission
Area of frames of the main frame Figures from when the ship was in commission
Number of rudders 2 parallel rudders controlled by electrical steering
Total rudder surface area 2 x 24,28 m² = 48,56 m² (2 rudders)
Total rudder volume 2 x 11,63 m³ = 23,26 m³ (2 rudders)
Angle of the rudders Inclined from the vertical with 8º divergence towards the centreline
Propeller Information
Number of- and type of propellers 3 manganese bronze propellers
Number of blades 3 blades on each of 3 propellers
Diameter of propeller 4700 mm
Area of the propellers (when rotating) 3 x 17,349 = 52,047 m² (3 propellers)
Volume of propeller 2,4 m³
Number of revolutions per minute at full speed 270
Position of the Waves
Centre Wave Port and Starboard Side Wave
Frame Above Bottomline Frame Midship Above Bottomline
16,5 2399 mm 23,5 6200 mm 2746 mm
91,3 4360 mm 112,3 5000 mm 4360 mm

Rudders & Propellers on Bismarck & Tirpitz
Bismarck Tirpitz
The small white rectangular items attached to the rudder surface were zinc strips to attract corrosive elements away from other parts of the lower hull fittings. They were placed differently on Bismarck and Tirpitz, as illustrated above.

Rudders & Propellers on Bismarck & Tirpitz
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