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Let nature do the work for you!
How fitting can a product name be? Bearing the natural shape of a fish in mind, the engineers at De Waal have succeeded in creating a highly advanced rudder system. The fishtail cross-section offers improved navigation properties with relatively low drag. All in all, a good mix of features and on top of that, no maintenance!
The Stuwa® fishtail rudder hangs straight down on the centreline of the prop wash. The rudder features wide curved top and bottom plates that contain the water flow and increase thrust.
Rudder dynamics
The fishtail design features a streamlined symmetrical cross-section ending in a streamlined symmetrical tail. This deflects the water flow an additional number of degrees relative to the rudder deflection, so minor course corrections ensure extra controllability. The fish-shaped streamline form creates very little drag when running straight ahead. In consultation with our engineers we can adapt the tail end shape to fit specific requirements. Whether only gently curving or with a pronounced shape, you will have the most efficient rudder for your specific situation.
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Maintenance-free
The Stuwa® fishtail rudder has no moving parts. The rudder-stock bearing is a heavy-duty fitting created from high-quality cast iron. This results in a maintenance-free rudder system that will be the right choice in many cases.
Features
- Special manoeuvrability effect
- Low drag
- Long maintenance intervals
- High-grade conservation process
- Heavy-duty bearing system
- Features unique shrink ring
- Available for any classification