EcoNavis Solutions, a spin-off from the University of Strathclyde in Scotland has begun production of its patented Eco Boss Cap propeller hub, marking the transformation of a university-led research project into an
Photo: EcoNavis
EcoNavis Solutions, a spin-off from the University of Strathclyde in Scotland has begun production of its patented Eco Boss Cap propeller hub, marking the transformation of a university-led research project into an industry-ready fuel efficiency retrofit technology.
The Eco Boss Cap is designed to eliminate the hub vortex cavitation that causes rudder erosion, vibration, and thrust loss in conventional propulsion systems.
Unlike finned boss caps, which only function optimally at narrow speed ranges, the Eco Boss Cap features a smooth, conical design with internal chambers and strategically bored holes. This configuration uses fluid pressure differences to improve flow uniformity, reducing torque while increasing thrust across a wide range of operating conditions.
The holes led to the solution being called the “holy boss cap” when it was first introduced.
The first unit, destined for installation on a general cargo vessel, has been cast at a foundry in China using designs optimized entirely
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