Frédéric Sauvage

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Frédéric Sauvage.

Frédéric Sauvage (20 September 1786 - 17 July 1857) was a French boat builder who carried out early tests of screw-type marine propellers.

Sauvage was born at Boulogne-sur-Mer. In a public demonstration with a small boat on January 15, 1832 in Honfleur, he was able to show that a propeller is more efficient than the then standard paddle-wheels located on the sides of the boat. However, he was not able to interest the French Navy in his idea and when he tried to develop it commercially on his own he was not successful, went bankrupt and landed in debtor’s prison for a time. Today, the practical development of propellers is generally credited to Josef Ressel (Austria) who took out patents in 1827, although Sauvage was clearly a pioneer.

External links

Who invented the screw propeller?

Authority control	VIAF: 30427512

Persondata
Name	Sauvage, Frederic
Alternative names
Short description	French boat builder
Date of birth	20 September 1786
Place of birth
Date of death	17 July 1857
Place of death

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