#1412: Icescape

Today’s invention is a technique by which submariners trapped beneath an oceanic ice sheet can burrow their way to safety.

The propeller of a submarine would be run in reverse and used as a drill with which to cut a hole in the ice.

Once engaged, the bow thrusters would be run at full power in order to resist the tendency for the prop. to lock in the ice and the hull to rotate.

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