October 28, 2023

New Launch: Feadship 84.20m Hull. 710

Feadships has launched hull #710, an 84.20 meter super yacht designed by RWD and Monk for both exterior and interior, and titled m/y Obsidian. Feadship #710 features surprising destination spaces, such as an asymmetrical atrium staircase leading to a lower deck dining saloon, where an entire wall opens to reveal a terrace view just above sea level. Near the stern is an Aqua Lounge with massive windows below water level. In place of a mooring deck forward there is a revelatory bow observation lounge with double-curved glass floor-to-ceiling windows. Terraced aft decks float without pillars, while glass balustrades allow unobstructed views from both aft deck and fully glazed aft interior spaces, creating a vital connection to the natural environment.  Striving for innovation and first-class engineering, Feadship 710 is the perfect next step on the famous Dutch super yacht path toward building zero-emission superyachts by 2030. It is the first of the new generation of large yachts furthering carbon reduction through hulls optimised at cruising speed instead of top speed, weight control, advancements in electric propulsion, and the ability to run her generators on HVO, a second-generation biodiesel, a so-called net zero CO2 fuel. Sea trials and delivery fill where all made with HVO, reducing total CO2 emissions by about 90%. Hull 710 made full use of Feadship’s Advanced Electrical Drive program for diesel-electric hybrid power, and has 4.5 times more electrical storage capacity than the first hybrid yacht, the famous Savannah hull number. 686. Feadship #710 has also no drive shafts, and no rudders with an electric drive and steering provided by a pair of electric Veth contra-rotating thrusters. Feadship and Veth collaborated on computational fluid dynamics analysis of the drive legs and propellors’ shapes to maximize efficiency and minimize vibration.  Providing energy for the luxury hotel load accounts for much of a yacht’s fuel consumption, for Feadship 710, the engineering team took a deep dive into capturing waste heat from the custom variable speed generators and air conditioner chiller to supply heat to the AC system, pool water, domestic water, and engine preheating, while an innovative heat pump system allows the yacht to draw heat from seawater.
Technical Data:
LOA - 84.20 m (276.3ft)
Beam - 13.65 m
Draft - 3.75 m
Displacement - 2554 gt *volume
Fuel Capacity - 240,000 l
Water Capacity - 50,000 l
Accommodation - fourteen guests in seven cabins, 27 crew fourteen cabins
Engines - diesel electric with 4 x Cats C32 generators
Propulsion - Veth counter rotating thrusters
Speed - seventeen knots max, twelve knots cruise
Range - 5500 nm at twelve knots
Construction - steel hull aluminium super structure
Project - Redman Whiteley Dixon and Ed Monk exterior and interior, Feadship de Voogt naval architecture
Certification - Lloyds Cross of Malta 100A1 SSC Mono G6 LMC UMS hybrid power classed

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