Contra-Rotating Marine Propeller

This counter-rotating propeller's design achieves a 10%-15% higher efficiency compared to conventional single propellers. It maintains an average working time between failures of greater than 5000 hours.

contra-rotating propeller - Image 1

Technical Specifications

Overview

Advanced Marine Propulsion

This contra-rotating marine propeller system utilizes two propellers rotating in opposite directions on a common axis to significantly enhance propulsion efficiency. By avoiding the high-speed mutual rotation of inner and outer shaft sleeves, the design reduces bearing heating and improves operational safety. The streamlined, compact gearbox minimizes water flow pressure, resulting in a system that is 10-15% more efficient than conventional single-propeller configurations.

Performance Metrics

Efficiency Improvement

15 %
Efficiency Increase

Technical Features

Key Design Advantages

  • Dual-shaft configuration reduces bearing heat
  • Streamlined gearbox reduces water flow resistance
  • Minimized individual gear load
  • Enhanced safety and reliability

Model Identifier
CFCR-W-LD600

Certifications & Status

Compliance & Status
Patented DesignIndependent Intellectual PropertyHigh Performance

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