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A comment on Project Habbakuk: Britain's Ice "Bergship" Aircraft Carrier Project. Parent comment

Re:Project Habbakuk: Britain's Ice "Bergship" Aircraft Carri... by pfdietz on Monday April 29, 2024 @08:59PM (#40206147)
As I understand it, they found out they needed to refrigerate the ice to keep it from creeping too much, and this increased the cost too much for the idea to work.

The US did make some vessels out of concrete because of constraints on steel production. A famous example was a barge in the Pacific (I think at Ulithi?) that was devoted to making ice cream.

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Re:Project Habbakuk: Britain's Ice "Bergship" Aircraft Carri... by AS37 on Tuesday April 30, 2024 @02:31AM (#40207860)
https://en.wikipedia.org/wiki/Ice_cream_barge

https://en.wikipedia.org/wiki/Category:Trefoil-class_concret...

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Re:Project Habbakuk: Britain's Ice "Bergship" Aircraft Carri... by jhugo on Tuesday April 30, 2024 @02:39AM (#40207910)
The article seems to make it clear that the refrigeration requirement was known from the start (how could it not be?) but that the amount of steel required had to be increased substantially to avoid creep in the ice.
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