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Priority to ES266191ApriorityCriticalpatent/ES266191A1/en
Publication of ES266191A1publicationCriticalpatent/ES266191A1/en
Propeller apparatus for boats, characterized in that it consists of a central axis, with double-angled ends for insertion of pairs of runners, equipped, in its middle part, with two parallel discs, perpendicular to it and conveniently separated, starting from these radial discs. , forming pairs, being mounted between each pair of radial plates, a set of blades composed of two flat blades arranged obliquely to each other and mounted braced by plates that maintain a separation between them, forming this set a system of several sets of pallets arranged in drum. (Machine-translation by Google Translate, not legally binding)
ES266191A1961-03-301961-03-30Propulsor device boats (Machine-translation by Google Translate, not legally binding)
ExpiredES266191A1
(en)