Author Archives: Rudi

About Rudi

Mr Scholz gained his academic qualifications in Germany and holds an MBA (Diplom Wirtschaftsingenieur, U of Braunschweig, 1988), postgraduate qualifications in industrial engineering (REFA Ing, Institute for Industrial Engineering in Hannover, 1988), postgraduate certificate in welding engineering (SLV Welding Institute, 1985), master’s degree in shipbuilding, naval architecture and marine engineering (Diplom Schiffbauingenieur, U of Hannover, 1983), and a certificate for building wooden and fiberglass boats (Opelit in Frankfurt, 1972). He has also studied in the Department of Naval Architecture & Marine Engineering of the University of Michigan in the USA.

Tourist boat in Phuket Thailand

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5 Bladed Surface Propeller Family

RINA has published several families of surface propeller . Here the a copy. For 4 bladed propellers go to the attached literature.

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Sale for customer “Levi Surface Drives LD320-350 (2 Units)”

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

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2 x Levi Drive LD 170-150 on Etamax boat

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.

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Levi Drive 170-150 Test Boat in Penang

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Levi Surface Drive with parasailing, DIY, in Rhodos Greece

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Record-breaking boat designer Renato ‘Sonny’ Levi dies at 90 (copy from Motor Boat and Yachting Nov. 2016))

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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Etamax Testboat in Penang Malaysia with 2 x LD 170-150 and 2 x Myvi Perodua engines 1.3 l

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Sea Sled Hickman

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Hickman’s “Sea Sled”

This gallery contains 7 photos.

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

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