Articles

This was Canada's WWII plan to build an aircraft carrier made of ice

When we think of crazy military schemes, we probably think of the United States and Soviet Union during the Cold War. From nuclear-tipped kamikaze pilots to a base on the moon, the two superpowers came up with a lot of unconventional ideas for fighting World War III.


If outfitting cats to be radio transmitters is crazy, then I don't want to be sane.

So no one would blame you if you thought the idea of a silly military scheme from Canada was a little far-fetched. The U.S.' northern neighbors are very rational, logical, and don't feel the need to project global military power.

During World War II, however,  everyone was looking for the edge that could end the war in their favor. And since Canada was such an integral part of the British Empire, she was willing to put some ideas to the test...like, say an aircraft carrier made of ice in the mountains of Alberta.

Only it wasn't so crazy.

Project Habakkuk was the British effort to make unsinkable, non-melting landing strips made of Pykrete — a slurry of ice and sawdust. Pykrete (named for the inventor, Geoffrey Pyke) floated in water and would help keep the ice from melting during the summer months. Upon hearing about this, one of Prime Minister Winston Churchill's scientific advisors made his way to Churchill's bath and tossed a piece in.

You know you're the boss when you make people meet you in the bathtub. And they show up.

It floated in the bath water and the wheels of invention began to turn. Churchill long had an idea for protecting British shipping but couldn't spare the steel. Pykrete was an excellent material for his new endeavor.

British fighters patrolling for U-Boats in the North Atlantic were limited in the time they could loiter in the air above shipping lanes. If the Allies could create unsinkable floating refueling stations throughout the area, the planes could land, refuel, and continue the mission. More shipping would undoubtedly get through to England. The idea was first floated on Canada's Patricia Lake in 1943.

A 1,000-ton, 1:50 scale model was constructed on the Canadian lake to keep the material frozen while keeping the idea away from Nazi spies and saboteurs. The project was dubbed "Habakkuk," and would be a ship 2000 feet long and 100 feet thick. The actual ship needed 26 electric motors and a 15-story rudder and have a 7,000 mile operational range.

An artist's concept drawing of Habakkuk.

Unfortunately, despite the success of keeping the Pykrete ship frozen throughout the Canadian summer and the material standing the test of being rebuilt, the cost of actually building the size necessary to fit the plan was just too high.

The British abandoned the 60-foot long model, where parts of its construction (the non-ice parts) can be found on the bottom of Patricia Lake to this day.

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