RINA has published several families of surface propeller . Here the a copy. For 4 bladed propellers go to the attached literature.
Levi LD 320-350 Surface Drives with Propeller Item Details: These units of Levi Surface Drive LD 320-350 with Propeller is available for sale due to the bankruptcy of the owner and are being sold as an asset liquidation. Details are listed below: … Continue reading
This project was done to show some fisherman in Malaysia that that surface propulsion can work economically on their boats. We used some 2. hand boat and and marinized 2 Myvi petrol engines.
Motor Boat & Yachting Record-breaking boat designer Renato ‘Sonny’ Levi dies at 90 Ray Bulman November 14, 2016 0shares Record-breaking boat designer Renato ‘Sonny’ Levi has died peacefully at the age of 90 at his home on the Isle of … Continue reading
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Here a link to an interesting articles on Hickman’s “Sea Sled” written by Dave Gerr and published in Boat Building Magazine Jan/Feb 2003. Gives a bit of history on surface propellers. “Sea Sled slides again” by Dave Gerr Boatbuilding Magazine … Continue reading