Why Are The Battleship's Propellers All Different?

Battleship New Jersey7 minutes read

The Battleship New Jersey has unique propellers with specific designs for each hub due to their counter-rotating nature and deliberate blade arrangements for increased efficiency. Repainting the propellers is crucial for preventing dissimilar metal corrosion, particularly for ships in reserve fleets or museums.

Insights

  • The Battleship New Jersey's propellers are unique due to their counter-rotating nature, with outboard propellers having four blades and inboard ones having five, enhancing efficiency.
  • American fast battleships experienced vibration problems during sea trials, prompting adjustments in propeller blade configurations to address these issues effectively.

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Recent questions

  • What makes Battleship New Jersey's propellers unique?

    The Battleship New Jersey has unique propellers with each one designed to fit a specific hub due to their counter-rotating nature.

  • How many blades do the outboard and inboard propellers of Battleship New Jersey have?

    The outboard propellers have four blades, while the inboard ones have five, a deliberate design choice for increased efficiency.

  • What issues did American fast battleships face during sea trials?

    American fast battleships faced severe vibration issues during sea trials, leading to adjustments in propeller blade arrangements.

  • Why is the length of propeller shafts on battleships significant?

    The length of propeller shafts on battleships is significant, with complex engineering to prevent twisting under torque.

  • Why is repainting the propellers of Battleship New Jersey essential?

    Repainting the propellers is essential for preventing dissimilar metal corrosion, especially for ships in reserve fleets or museums.

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Summary

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"Unique Propeller Design on Battleship New Jersey"

  • Battleship New Jersey has unique propellers, with each one designed to fit a specific hub due to their counter-rotating nature.
  • The outboard propellers have four blades, while the inboard ones have five, a deliberate design choice for increased efficiency.
  • American fast battleships faced severe vibration issues during sea trials, leading to adjustments in propeller blade arrangements.
  • The length of propeller shafts on these battleships is significant, with complex engineering to prevent twisting under torque.
  • Repainting the propellers is essential for preventing dissimilar metal corrosion, especially for ships in reserve fleets or museums.
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