Misea Marine Equipment
Marine Semi Balanced Rudder
Semi-balanced rudder with 20–30% of blade area forward of the stock and a fixed rudder horn, cutting steering torque by 30–50% vs unbalanced rudders; for cargo ships, bulkers and container ships.
Description
The Marine Semi Balanced Rudder from Misea Marine is a horn-type rudder in which approximately 20–30% of the blade area lies forward of the pivot axis; the upper part of the blade is unbalanced and supported by a fixed rudder horn for rigidity.
Construction
- Reinforced blade with streamlined section, vertical rudder stock, fixed rudder horn and reinforcing ribs
- Forward balance area controlled within 20–30% of total blade area, with balance ratio and reinforcement standardised by vessel tonnage
Performance (manufacturer figures)
- Steering torque reduced by 30–50% compared with unbalanced rudders
- Propulsion efficiency improved by 2–4%
Compliance
- Stated to comply with SOLAS and ship manufacturing industry standards
Applications
Twin-screw cargo ships, bulk carriers, container ships, medium-sized passenger ships, offshore engineering vessels and medium-tonnage naval ships.
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