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Project Disruption

As presented by ZF Marine at the 2017 Fort Lauderdale International Boat Show and METS:

The Project Disruption concept allows shaftline boat builders to harness the benefits of contra-rotating propellers, including increased efficiency, acceleration and reverse authority. The concept changes all of the pre-established constraints of trying to optimize propeller diameter with gear ratio.

The concept, intended to interface with a standard ZF marine transmission, is comprised of a strut-housed underwater gearbox which transmits power to two contra-rotating propellers.

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Freelance, Full-time, Moonlighting
Drew Orvieto
Naval Architect/Marine Designer Fort Lauderdale, FL