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Our aluminium boats are designed to cope with the choppy waters encountered off the Australian coastline and many of them feature our exclusive “S” shaped inverted chine with variable deadrise hull. This combination was made possible using advanced Naval Architecture software and results in a unique hull shape that is both stable and soft riding.
We have tested in the open waters in a 2.5m swell. We tested into the swell, beam on to the swell and running with the swell. The boats stay dry, do not broach and maintain a comfortable 25 knots.
We have designed our hulls to stay in the water and cut through the waves – not jump over them.
Designed in 3D using the latest 3D CAD software, our aluminium boat are built in the computer before they are physically built. This allows us to develop the most efficient construction methods which saves time。
Our comprehensive drawing set features 3D Assembly Instructions guiding you step by step through the construction sequence.
Our unique hull shapes are each designed from scratch using advanced naval architecture software. With the exception of out ‘Punts’, Our design brief is generally to develop a hull shape that is best suited to the conditions off the Australaian coast. Our hulls feature a variable deadrise combined with an inverted forward chine. This combination was chosen to give a balance between stability at rest, smooth water planing and rough water comfort. The inverted chine allows for a finer entry to increase comfort levels when heading into choppy seas. Below the waterline the flatter deadrise aft promotes stability
Aluminium is a great material for building boats since it is light weight and corrosion resistant. The down side is that it has a very poor fatigue resistance. That means that in areas of repeated vibrations, such as those caused by engines and sea chop, Aluminium is more prone to cracking than steel and other materials. This is why it is vital that your boat is designed by appropriately qualified & experienced people. When designed properly, the risk of cracking is significantly minimised. This is why we place so much importance on using CNC cutting to allow us to use stress relieving shapes
our boats by referring to Australian Standard 1799, BV rules for High Speed Light Craft, DNV rules for High Speed Light Craft and the USL Code. In addition we then apply fundamental engineering principles in areas not covered by these rules such as stress relieving cutouts. We go beyond simply meeting the minimum requirements
To maximise the strength and safety of your boat, our hull frames are full depth solid plate.Unlike some manufacturers, we do not use floating frames.
Our boats with chines that are built in the same way that larger commercial boats are built.
That is inserted between the bottom and side plates and fully welded inside and outside.
The alternative is to join the side and bottom plates directly and then cap the join with an extruded angle section. We will not design this way due to the risk of crevice corrosion. If this capped section should ever leak, damp salt would build up inside.
The area would then become oxygen deficient and corrosion would be accelerated.
Some builders that use the capped method drill drainage holes in the ends of capped chines to let water out if it ever leaks. The problem is that this also lets the salt water in. While the water would drain out, the salt will build up.
The result of the use of this modern technology in the design process is that properly engineered boats can be built quickly and with minimal distortion. This reduces residual stresses in the aluminium and hence reduces the risk of cracking problems
