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propeller×ナカシマプロペラ - List of Manufacturers, Suppliers, Companies and Products

propeller Product List

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Main thruster variable pitch propeller

Main thruster variable pitch propeller

We take pride in our numerous delivery achievements by incorporating the know-how and high technical skills developed with fixed-pitch propellers into our environmentally friendly, high-efficiency variable-pitch propellers.

**Features** By controlling the wing angle, it becomes easy to move forward, stop, and reverse. When combined with side thrusters, it offers convenience in situations where frequent changes in ship speed are necessary, such as during entering and leaving ports or during docking and undocking. Additionally, it can respond immediately from full forward to full reverse during emergency stops. By adjusting the wing angle, the engine can always operate at the most efficient load, allowing for free adjustment of the ship's speed, which can lead to fuel savings and reductions in NOx emissions. Due to these advantages, it is widely adopted in various types of vessels, including fishing boats, tankers, ferries, and tugboats.

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Main thruster fixed pitch propeller

Main thruster fixed pitch propeller

Custom Order Production - Shaping Optimal Solutions: Analysis and Design Technology - One of the World's Leading Propeller Factories

By combining Nakashima's technology, we can provide high-performance and high-quality propellers that optimize the balance of propeller efficiency, vibration, and strength according to our customers' needs. 1. NHV Effect 2. Chip Rake Effect 3. High Skew Effect 4. Keyless Propeller

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CFRP propeller

CFRP propeller

We have successfully developed the world's first CFRP propeller for general commercial vessels.

The greatest features, "high efficiency" and "quietness," are performances created by maximizing the properties of the materials. In 2015, we received the Prime Minister's Award at the 6th Monozukuri Nippon Grand Award for the development of the world's first carbon fiber reinforced plastic propeller installed on a commercial ship that achieves energy conservation. Lightweight - Achieved lightweight due to a specific gravity of about 1/5 that of conventional materials, making installation easy. - Reduction of moment of inertia and lightweighting of the shaft system. High Strength - Higher fatigue strength and reliability compared to conventional materials. Low Vibration - Vibration is reduced due to lightweighting and high damping rate. - Improvement of living environment. Overload Reduction - The shape of the blades deforms to match the flow, reducing overload during rough weather and other conditions. High Efficiency - Lightweighting allows for easy increase in diameter, achieving improved propeller performance. - Suppression of cavitation occurrence. Improved Maintainability - By stocking spare blades, quick response is possible even in case of damage. - No specialized knowledge required for replacement, and repairs are also possible.

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