BBC8d
Propeller from RMS Lusitania
Lusitania and her sister-ship Mauretania were originally fitted with three-bladed propellers. In 1908 Mauretania had a new set of four-bladed propellers fitted, which immediately improved her speed.
The New York Times6y
BEATS LUSITANIA RECORD.; Mauretania Averages 27.36 Knots Per Hour Over 300-Mile Course.
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BBC6y
Propeller from RMS Lusitania
Lusitania and her sister-ship Mauretania were originally fitted with three-bladed propellers. In 1908 Mauretania had a new set of four-bladed propellers fitted, which immediately improved her speed.