Online Exhibits > Leonardo and the Engineers of the Renaissance > 3D Simulations

Keel-breaker

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This device was concealed under water. An enemy vessel seeking to enter the port or canal would inevitably ram into the catch, freeing the counterweight. The hook would thus smash into the hull and cause the boat to sink.

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2004 IMSS Piazza dei Giudici 1 50122 Florence ITALY