Transmission and Propulsor Systems

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Ramming the Ice: Icebreaker Propulsion

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This beast bares TWO nuclear reactors, with over 60 MW of propulsive power driving through anything in its path! Discover why we need so much power for an icebreaker.
Ship Model Scaling

Ship Model Scaling

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It is impossible to perfectly convert between model scale and ship scale. Learn how to get around the scaling correlation problem.
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How to Design a Waterjet: Key Elements of Waterjets

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What makes a waterjet work? Learn the common elements of all waterjets and best practices to expect from a decent waterjet design.
Waterjets: When To Use, Pros And Cons

Waterjets: When to Use, Pros and Cons

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Waterjets are fun. They give you great maneuvering control and promise much higher efficiency at high speeds. But that flexibility comes with the price of more subtle limits on performance. Used incorrectly, waterjets perform worse than propellers. This article focuses on the merits of waterjets, with focus on the most important factor: efficiency.