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On-line calculator of optimum propeller diameter and RPM, based on Dave Gerr′s formulae, for any of the 650 boats in Carl′s database. Inputs required are horsepower and prop type.
[Carl Adler, USA]
How to fabricate boat legs that will hold a keelboat upright when drying out between tides to paint the hull or make repairs below the waterline.
[SailNet, 8 February 2002]
A discussion board and photo gallery for cruising sailors and wannabes focused on selection, operation and maintenance of yacht engines, drive trains, and related systems.
[Cruisers Forum, Buskerud, Norway]
This ABYC standard is a guide for the design, construction and materials for propeller shafts and struts, and the installation of shaft bearings, stern bearings, struts, shaft seals, shaft logs, shaft couplings, and propellers.
[American Boat & Yacht Council, Edgewater, MD, USA]
How a propeller should be installed - and many are done badly - with a step-by-step protocol.
[Boatdiesel (USA), Inc., USA]
A propeller inspection service provides a list of steps to take when installing a new or newly remanufactured propeller.
[Propeller Dynamics Pty, Ltd., Burleigh, MDC QLD, Australia]
Guidelines for choosing among controllable-pitch, variable-pitch, folding, or feathering propellers. Most of the brand names are discussed. 8 pages with illustrations (print versions only).
[Blue Water Sailing, February 2004]
Sailboat shaft logs, packing boxes, packing, tools and other prop shaft accessories
[Buck Algonquin, Smyrna, DE, USA]
Stainless circular blade with serrated cutting edge held by set screws to the shaft. Can be installed where there is little space on the shaft.
[The Evolution Company, Inc., Rockland, ME, USA]
Narrow-bladed two- and three-bladed props for reasonable performance and reduced drag. Cast in Nibral Bronze and statically balanced.
[Seahawk Pty Ltd,, Bayswater, Victoria, Australia.]