SMRTR Science & EngineeringSep 17, 2025Interesting Engineering

Smashing through ice: Germany’s icebreaker gets ‘largest’ 360-degree propulsion system

SMRTR summary

Germany's icebreaker Polarstern is being upgraded with the world's largest 360-degree propulsion system featuring two 16-foot diameter propellers generating 9MW of power each. The vessel will incorporate hybrid technology with green methanol capability and battery-assisted operation, allowing up to four hours of emission-free research while meeting strict environmental standards.

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