Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Vilafranca Larea Miguel
Original Assignee
Vilafranca Larea Miguel
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Application filed by Vilafranca Larea MiguelfiledCriticalVilafranca Larea Miguel
Priority to ES107610UpriorityCriticalpatent/ES107610Y/en
Publication of ES107610UpublicationCriticalpatent/ES107610U/en
Application grantedgrantedCritical
Publication of ES107610YpublicationCriticalpatent/ES107610Y/en
Device for propulsion of light boats applicable to boats of small size essentially characterized by being composed of two paddles mounted on an axis located aft below the waterline whose fins are fixed to the referred shaft in an independent arrangement so that when operated by half of an asynchronous set of pedals located in the boat oscillate in the interior of the water alternately advancing the boat and achieving its direction. (Machine-translation by Google Translate, not legally binding)
ES107610U1964-07-221964-07-22
A DEVICE FOR PROPULSION OF LIGHT BOATS.
ExpiredES107610Y
(en)
The effects of cavitation on the magnitude of the intermittent forces transferred to a ship's hull by a screw propeller as it operates(Effect of cavitation originating at screw propeller blades on magnitude of vibration transmitted to ships hull)