April 11, 2015

New Launch: Feadship 83.50m Hull. 686

Feadship has launched the 83.50 meter hull. 686, titled m/y Savannah she is the first superyacht to feature an eco-friendly blend of single diesel engine, three generator sets, batteries, propeller, azimuth thruster and a streamlined hull shape. Offering fuel economies of thirty per cent, the pioneering electro-mechanical propulsion platform marries Feadship’s past experience and forward thinking approach within a pure custom creation. Further innovation comes in the form of a floating superstructure, an underwater lounge, the ‘open’ aft deck areas, and much more besides.  Inspired by the 2010 Feadship Future Concept Breathe, Savannah is a demonstration of the cost-effective and cleaner mode of propulsion that can be achieved within an entirely bespoke superyacht. Hull. 686 has a dynamic hull shape with a very fine entry, uses one efficient medium-speed Wärtsilä main engine instead of two higher-rev diesel motors, a single central propeller shaft installation on the centre-line and three generator sets. Redundancy is ensured by fitting a large counter-rotating and azimuth stern thruster just aft of the main propeller. The design of the aft ship allows for a propeller that is forty per cent larger than the norm. Combined with the power supplied by the thruster, the load on the propeller is only half that of a conventional twin screw yacht. This again results in a higher efficiency and fewer vibrations. In addition, the large stern-thruster also ensures excellent manoeuvrability in marinas. Taken as a whole, the package offers major benefits in terms of fuel saving and consists of five modes: manoeuvring, diesel-electrical, range, high speed and boost. This guarantees a high level of reliability and a better engine load than any other superyacht afloat today. 
Technical Data:
LOA - 83.5 m (273.9ft)
Beam - 12.5 m
Draft - 3.95 m
Fuel Capacity - 150000 l
Water Capacity - 40000 l
Accommodation - twelve guests in five cabins, 22/26 crew berths
Engine -  single Wartsila 9L20 2412hp
Project - CG Design exterior and interior, Feadship De Voogt naval architecture

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