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The tube is an important part of a boat's propeller system. It stops water from entering the hull, and ensures the least possible friction to the propeller shaft when it is rotating. The most common type of tube in Norway is the flexible type with a brass or bronze stem flange, a water lubricated rubber bearing, a brass shaft tube, an armoured rubber hose and a grease lubricated stuffing box with ring joints. This tube works very well, while at the same time being easy to use and maintain, plus allowing the motor to be placed on rubber dampers.
The tube can be custom modified to suit the customer's needs, with regards to choice of materials, available space and the number of parts used.
Modifications are used when a tube is installed in an aluminum hull. The shaft tube and stem flange is then made from aluminium, and a rubber bearing with synthetic shell or thordon bearing is used. The stem flange and rubber bearing can sometimes be left out when installing the propeller system on boat that are equipped with a bracket, since it is enough with the bracket and the bearing there. In those instances where space for the stem flange and bracket is limited, a short stem fitting with thordon bearing is installed. The tubes are also delivered with different sealings and lubricators.
West Mekan makes simple, high-quality tube arrangements that are field-tested and safe to use. Our 30 years of experience in designing, producing and supplying enables us to guide you to a safe decision.
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Simplex FlexiTube
With Simplex FlexiTube, we offer precision technology in a complete package solution involving less preparation for the designer, the shipyard and the shipbuilder. The patented FlexiTube is a complete sterntube including sterntube bushes, a patented sealing package and installation supervision.
It facilitates rapid and exact installation under the supervision of our skilled personnel as well as easier maintenance and lower maintenance costs when the ship is in operation. For designing a customized Simplex FlexiTube, we only need to know the type of hull, the sterntube length and the diameter of the propeller shaft. The Simplex FlexiTube is suitable for all types and sizes of vessels.
Benefits:
- A complete sterntube installation in less than 8 hours
- Stress free installation due to the flexible forward end
- Customised design
- Turnkey solution ready for installation
- Simple and precise installation
- Simple and efficient cooling
- Low wear on bearings, hull and shaft seals
- Low and easy maintenance from within the engine room
- Easily replaceable bearings
- Low consumption of sterntube oil due to the optimised design
- Compensation of mechanical deviations
- Type approved by classification societies
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The white metal lined sterntube bearings are designed for trouble-free service throughout the lifetime of the vessel. They are available for shaft sizes from 100 mm up to 1150 mm.
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7.09 m
23' 3"
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When it comes to true comfort, Sonpon I/O Elite offers exclusive features, options and amenities that no other pontoon boat can offer From custom graphics to a premium sound system with Sony electronics and marine-certified custom Polk speakers, built for tough Environments. Strategic speaker height and placement provide a rich sound experience. Every detail is designed for unrivaled comfort and convenience.
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7.31 m
24' 0"
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7.31 m
24' 0"
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