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6. Propeller manufacture
Propeller manufacture comprises three phases: casting, finishing (by grinding or machining) and geometric control.
6.1 Propeller materials
Propeller materials must have the following qualities:
ease of manufacture (molding) ;
good mechanical strength ;
low marine corrosion ;
resistance to erosion (cavitation in particular) ;
dirt resistance ;
ease of repair (metal supply in the event of damage).
Whereas around 1960, two-thirds of all propellers were made of HR (high-strength) brass, more precisely Cu + Zn + added...
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Propeller manufacture
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References
Manufacturers and suppliers
(non-exhaustive list)
Renou-Dardel SA.
Helicia SA.
Alstom Marine
Alstom Power Conversion
Moteurs Baudouin http://www.moteurs-baudouin.fr
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