The Kamewa CP-A controllable pitch hub is an evolution of the XF5 system, renowned for its high efficiency and its blade bearing arrangement designed to avoid peak pressures and cavitation.
Compared with its predecessor, the CP-A offers improved power to weight ratio by 20%, a significant increase in efficiency and a blade foot with decreased exposure to cavitation, thanks to the latest mechanical design and hydrodynamic techniques.
At the same time, the blade foot bearing surfaces have been increased to provide even greater strength and wear-resistance. The system can be supplied with four or five blades of high skew or moderate skew type, conventional or nozzle design.
Computational Fluid Dynamics
Computational fluid dynamics (CFD) and cavitation tank testing were used to refine the contours of the propeller hub and blade roots. Improved hydrodynamic performance results in lower fuel consumption and reduced emissions.
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