Toroidal propellers can be used in electric or hybrid vessels. In fact, these types of propellers can be particularly well-suited to such applications due to their efficiency and design advantages.
- Efficiency: The unique design of toroidal propellers can provide greater efficiency compared to conventional propellers, making them a good match for electric and hybrid propulsion systems that value energy efficiency. The low drag characteristics and reduction in cavitation can further optimize the energy usage.
- Compact Design: Toroidal propellers are typically more compact than traditional propellers. This can be an advantage in electric or hybrid vessels, where space might be at a premium due to the additional need to accommodate batteries or hybrid propulsion components.
- Flexibility: The variable-pitch nature of some toroidal propellers means that they can be adjusted to operate at peak efficiency at a range of speeds, which can be beneficial in electric or hybrid vessels that may operate at varying speeds depending on the power source in use.
- Noise Reduction: Electric and hybrid vessels often strive for quiet operation, and the reduced noise and vibration characteristics of toroidal propellers can contribute to this.
It’s important to remember that the suitability of toroidal propellers will depend on the specific design and requirements of the vessel, and professional advice should be sought in the design or retrofitting process. However, with their potential advantages, toroidal propellers present an exciting option for the ongoing evolution of electric and hybrid vessel technology.