Peter Madsen in Dragoer Harbor south of Copenhagen on Friday, August 11, 2017

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Police in Copenhagen say they’re charging submarine fanatic and rocket builder Peter Madsen in connection with the death of a missing Swedish journalist.

The Dane is the skipper and designer of the UC3 Nautilus, a privately-owned submarine which sank off the Danish coast on Friday.

Some reviews describe Mr Madsen as a “passion engineer”, and it isn’t clear what his background and coaching is.

Whereas constructing his personal crowd-funded submarine may appear difficult sufficient, after finishing the Nautilus – which he claims is the world’s largest privately-built submarine – in 2008, he moved on to a extra lofty ambition – area exploration.

He now runs an organisation known as Rocket-Madsens Area Laboratory, which is funded by donations, and goals to launch a rocket from a floating platform within the Baltic, close to the island Bornholm.

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This image of the Nautilus, with a girl looking of the tower, was taken on Friday

A crowd-funding web page was arrange for the Nautilus previous to 2014 to aim to boost $50,000 (£39,000) to cowl refurbishment prices – simply $6,170 was raised. At the moment the Nautilus had logged greater than 1,000 dives and had a workforce of 10 volunteers engaged on her refurbishment.

In 2015, after a dispute with the group of volunteers sustaining it, possession of the Nautilus was transferred to Mr Madsen, says a statement on the website (in Danish).

“Chances are you’ll assume curse is mendacity on Nautilus. That curse is me,” he had messaged members of the board, in accordance with the assertion. “There is not going to be peace of Nautilus for so long as I exist.”

The craft lastly re-launched earlier this 12 months. It has a diesel and an electrical motor and is 17.8m in size.

In accordance with the crowd-funding web page, Danish legislation prohibited the Nautilus’s operators from taking up passengers, however the workforce supplied excursions of the craft whereas docked “to provide the full expertise of being aboard an actual submarine”.

Each Rocket-Madsens Area Laboratory and Copenhagen Suborbitals – which Mr Madsen co-founded however has since left – are attempting to turn into the primary non-government, all-volunteer organisation to launch a human being into area.

The 2 organisations are in battle over their launch space, and appear to speak through weblog warfare.