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Brown Brothers modular non-retractable fin stabiliser detail

Non-retractable stabilisers

Rolls-Royce provide two fixed fin designs – the Brown Brothers™ modular range (fin area 0.8m² to 16.5m²) for naval vessels, and the Gemini range (fin area 1.4m² to 3.2m²) for smaller commercial and naval vessels where high performance and low cost are important factors.


Brown Brothers Gemini non–retractable fin stabiliser

Features and benefits of modular stabiliser

  • Integral hull closing plate simplifies and speeds up installation
  • Fin size and performance tailored to specific ship designs

Features and benefits of Gemini stabiliser

  • Low weight compact design
  • Simple to install with packaged power pack
  • Enhanced stabiliser performance due to high lift fin with boundary layer control at the trailing edge
Read more about systems and solutions » Read more about our service and support options »

The Gemini range can be supplied with plain or high lift profile fins depending on application. Modular stabilisers incorporate superior hydrodynamic features and fully satisfy military standards for noise, shock and vibration levels.



pdf icon Rolls-Royce Gemini non-retractable fin stabiliser fact sheet 221kb

pdf icon Brown Brothers modular non-retractable fin stabiliser fact sheet 117kb

pdf icon Steering and stabilisation brochure 712kb



 Manoeuvring & stabilisation quick links

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