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Keel laid on 80m Heesen flagship Project Cosmos

Dutch yard Heesen Yachts has celebrated the keel laying of its largest yacht to date, the all-aluminium 80 metre Project Cosmos.

The construction milestone took place on May 14 and was attended by Heesen chief executive Arthur Brouwer who declared Project Cosmos "the fastest and largest aluminium yacht ever built in the world."

It comes after the yard undertook proof of concept testing earlier this year, which culminated in the physical tank testing of a 3.7 metre scale radio controlled model at the Wolfson Unit in Southampton. The project was first revealed at the Monaco Yacht Show last year.

A key challenge for the yard has been securing a top speed of 30 knots for the 80 metre superyacht.

To achieve this, the yard had to find a way to add strength to the aluminium, which is thicker than usual, and developed what it has dubbed a "backbone". Thanks to the new techniques used, the yacht is both rigid and lighter.

Project Cosmos will also feature a propulsion package of four MTU 4000 M73 engines totalling 19,000hp.

Other key features include a certified helideck on the bow, which can transform to an outdoor lounging area populated with furniture that emerges from the deck. The tender garage, which is set to feature a Winch-designed custom limousine, sits under the helideck.

Sold in March 2018 and also known as hull YN19480, Project Cosmos features exterior styling by British studio Winch Design, exhibiting “muscular sportiness and timeless elegance”, with Sinot Yacht Architecture & Design appointed to design the yacht's interiors.

This will be Heesen's third collaboration with Sinot, which also worked on 55 metre Azamanta and 70 metre Galactica Super Nova.

The interior styling of Project Cosmos will feature a blend of natural materials, with lighter hues and accents of blue and darker wenge.

Other decorative materials will include black onyx, straw marquetry and crystal panels while custom furniture made from glass, marble, metal and various woods will add the finishing touches to this highly modern superyacht.

Speaking about the owner, Sinot's vice president of client services Kimberly Stone said: "He did not want anything too shiny. He wanted something very neutral but with some burst of colours as well as beautiful textures."

Another key interior feature is the central staircase which "is shaped like a snail shell or petals of a flower," Sinot design engineer Paul Costerus said.

Heesen sales and marketing director Mark Cavendish also previously revealed that the owner briefed Sinot to create a "lighter, luxurious and comfortable interior" and for ceiling heights to be "as optimised as possible."

Cavendish also previously described Cosmos' beach club as its "piece de resistance". “Drop-down platforms to the stern and side create a truly enormous space, and there is a stunning sunken bar below the onyx and glass clad bottom of the aft deck swimming pool," he said.

Accommodation is for up to 12 guests split across six cabins, including a main deck master suite, bridge-deck VIP and four lower deck cabins. Meanwhile, the crew quarters is suitable for a staff of up to 19 people.

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