Propulsors


In developing a world leading propulsor design for the Astute class submarines, Rolls-Royce used considerable technical pull through from its marine and gas turbine technology to develop the structural design, ILS and safety support.

Propulsors image

Designed to meet stringent weight and performance targets, Rolls-Royce concentrated on optimising the quality of all components, particularly the Nickel Aluminium Bronze castings. A completely new composite duct virtually eliminates corrosion.

Features and benefits

  • Innovative and lightweight design
  • Excellent corrosion resistance
  • Fully composite duct for minimum signature
  • Shock compliant
  • Low maintenance

The resultant design is very strong, meeting all the shock requirements whilst also being considerably lighter than previous propulsors and is expected to last the lifetime of the submarine.

 

 

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