„The displacement glider hull has succesfully proven its advantages“

Venice, Italy – After one year of testing in waters around Venice the company Alsphere has successfully proven advantages of displacement glider (DG) boat, that because of its hull design produces almost no waves. This effect brings several advantages: lower fuel consumption, low wake and because of its unique keel also additional deck space.
The patented system is based on the form of the boat consisting of two elements: One of them is lower part, keel and second part is gliding area, and both parts create their waves independently on each other. To put it simply, they affect each other and in an optimal case they annul each other.
The tests of DG boat in waters around Venice have shown substantially smaller total resistance when travelling through water at all speeds compared with conventional boats and also substantially lower total resistance when travelling through water compared with conventional gliding boats or hydroplanes in the speed range before hydroplaning. Hull provides advantage of up to 30 percent less fuel consumption to comparable displacement boats. As an American naval architect commented “the boat brings more speed with less horse power”. And that enables reduced investment in boat engines.
DG boat forms virtually no wave when travelling through the water enables better protection of bank and buildings on water. Because of its low wake Italian Company Actv spa (Venice public Transport Company that operates vaporettos and other public transport) has taken DG boat to consideration for usage in public transport in Venetian lagoon.
Since keel is wider, you can fit motor, fuel, water tank and sewage inside and get flat deck from stern to bow. That advantage can enable mainly trawler boats to increase living space on boats for up to 25 percent. The DG boat has shown that trawler boats with improved hull design could increase their autonomy range for up to 30 percent with the same sized fuel tanks.
The company Alsphere with its DG boat is not going to compete with established boat producers with its own line of boat, but is going to offer patented hull design under license basis to improve hulls of their existing or new boat lines.
The hull has been granted patent in US and Japan, patent in EU is pending.

For more information regarding the DG boat or the trial test ride in Venice, contact Mr. Peterman, telephone +43 1 516 71 - 0.

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