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80m COSMOS will be ‘world’s largest and fastest aluminium yacht’

By Katia Damborsky   4 December 2019

With the capacity to reach speeds nearing 30 knots, Heesen’s 80.7m/ 265ft motor yacht COSMOS combines high performance with an impressive LOA to deliver a world first. 

The stars aligned for Heesen yesterday, as members of the press gathered at Marriott County Hall in London to learn more about the Dutch yard’s brand new flagship; the 80.7m COSMOS.

On course for delivery in 2022, the yacht is set to become the largest and fastest aluminium yacht ever built, according to Heesen’s Sales Director Mark Cavendish. 

Heesen are no stranger to all aluminium-builds, but their latest project will be a colossal undertaking that aims to balance form with function.

From her construction to her engine make-up, COSMOS marks a series of technological firsts for the shipyard.

cosmos yacht from heesen being unveiled, heesen ceo stands on stage presenting
series of books of heesen cosmos yachtChampagne flutes and Heesen flag at Heesen press event for Cosmos in London

“We love a challenge at Heesen.” Commented Cavendish, “To do that kind of speed [...] our engineering team came up with a patent called ‘backbone technology’.”

Similarly to an I girder, backbone technology is a construction method that aims to provide structural support and rigidity without adding weight that could impact the yacht’s performance. The unique shape of the structure distributes the yacht's weight more evenly.

Four smaller MTU engines will power the yacht, totalling 19,000 hp. This marks another first for the yard, which has historically only used twin MTU engines (with the exception of 70m/ 230ft Galactica Supernova, which has two engines for cruising and a third engine that kicks in to deliver top speeds). 

With top speeds set to reach close to 30 knots, COSMOS will be around twice as fast as other yachts in her size class. 

 “We don’t build yachts of the same breed, we innovate.” Stated Arthur Brouwer, CEO of Heesen.

The yacht will have a cruising speed of 22 knots, and a GT of 17,000 tonnes.

Cosmos yacht helipad and helicopter

With top speeds set to reach close to 30 knots, COSMOS will be around twice as fast as other yachts in her size class.

Cosmos yacht interiors
cosmos yacht pool with waterfall feature

The owner’s brief centred around speed and size, all while maintaining the sleek finish of a sports yacht. 

Her styling is a collaborative effort between two esteemed design houses, with polished exteriors penned by Winch Design and interiors helmed by Sinot. 

Renderings of the yacht paint a picture of serenity and provide a closer look at her design details; her exterior features smooth lines with plenty of curves and wide expanses of dark glass that contrast her crisp white hull.

cosmos yacht aft decks
cosmos yacht helipad and al aflfresco cinemacosmos yacht beach club bar

She features a foredeck helipad and a large aft deck pool fed by a waterfall feature. 

Her beach club will be drenched in light thanks to twin sea terraces and glass panels in the pool above. The space will benefit from a recessed bar area and lounging space. 

She features accommodation for up to 12 guests in six well-appointed cabins. Across her accommodation and social areas, her interiors reflect a refined theme with plenty of wenge, black onyx and crystal panels.

A representative of Sinot has said; “[The owner] did not want anything too shiny. He wanted something very neutral but with some burst of colours as well as beautiful textures."

 We don’t build yachts of the same breed, we innovate.

Arthur Brouwer, CEO of Heesen Yachts

Another key feature is the central staircase, which Sinot has said draws inspiration from the natural world; shaped like ‘petals of a flower’, according to the design house. 

Other on-board highlights include a marble steam room and alfresco cinema set-up on the foredeck. The tender garage, which will play host to a Winch-designed custom limousine tender, sits under the helideck.

It is not yet known whether COSMOS will become a superyacht for charter.

You can view and compare all Heesen charter yachts.


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