New 130m high-speed pentamaran yacht from BMT Nigel Gee

BMT Nigel Gee Ltd, a subsidiary of BMT Group Ltd, has introduced a new high-speed Pentamaran concept to the large yacht market, Project Véloce, which is capable of speeds of over 40 knots.

Project Véloce represents a truly innovative application of technology in the large yacht market. Developed for high-speed applications, the patented Pentamaran hull form is a derivative of the stabilised monohull concept featuring a long slender central hull, hydrodynamically optimised without the constraints of needing to be stable. Stability is then provided by two pairs of outriggers or ‘sponsons’.

Conventional stabilised monohulls typically require relatively deeply immersed and long sponsons to meet damaged stability requirements and these can incur significant resistance penalties. The Pentamaran overcomes this by having two pairs of sponsons; a very short and shallow pair aft and a forward pair clear of the static water surface. These forward sponsons only become immersed as the vessel heels, consequently stability characteristics are maintained with no resistance penalty. The Pentamaran offers a wide bodied and stable platform with outstanding seakeeping characteristics whilst retaining minimum speed loss in higher sea states.

Project Véloce is based on a 130m platform capable of over 40 knots. The beam of 30m offers significantly more internal area than on an equivalently sized monohull leading to exceptional internal spaces with true flexibility in configuration of the layout.

The propulsion system features a CODOG (Combined Diesel Or Gas) plant producing approximately 44MW of installed propulsive power, delivered via waterjets offering outstanding maneuverability and acceleration. For low and medium speed operation twin 20V8000 diesels are utilised providing efficient long range operation whilst for sprint speeds a single LM2500+ pushes the speed beyond 40 knots.

James Roy, Yacht Design Manager, BMT Nigel Gee said: “We have undertaken some US$5 million worth of testing on numerous Pentamaran designs and the technology is now fully mature. Further development of the Project Véloce design is currently underway.”

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