A propeller including a propeller hub, two or more blades connected with the propeller hub, and an insert having a tubular shape with an inner and outer face. The insert having a raised ridge on the inner face and the insert being inserted in at least a portion of the propeller hub.
BEACHING PROPELLER
2024-08-29
Patent
Electronic Resource
English
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |
Account of beaching and overland transportation of old submarine "Peral"
Engineering Index Backfile | 1930
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