Hill made his decision after consulting the club's medical staff - but he hopes to bow out on a high note.

BBC: Hill to retire at end of season

One difficulty, for example, is that if the bow is raised too high above the stern during a climb, the airship can tip into a vertical position.

ECONOMIST: Monitor

Long, who has played the majority of his games for St Helens, is moving to Hull on a two-year deal at the end of this season and Potter is convinced that he will want to bow out on a high.

BBC: Potter happy with Long commitment

According to Mitsubishi the ADM vessels will also feature a high-efficiency hull and a newly designed bow shape that will reduce wave-making resistances.

FORBES: Archer Daniels Midland & Mitsubishi Team Up To Blow Bubbles

Mr Giles's solution to the drag problem is a sharp bow that cuts through waves up to 40 feet high, and a concave hull bottom.

ECONOMIST: Fast container ships

"I want to go out on a high and I see the Test series against the Kiwis as a good way to bow out, " he said.

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