AUTOSTREAM FEATHERING PROPELLER BROCHURE
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GREATER STRENGTH, LONGER SERVICE / ABOUT PROPELLERS artec solves the problem of feathering propellers for racing and cruising with its Autostream® line of two and three blade feathering propellers. The Autostream® is the logical and performance alternative for both moderate and heavier displacement sailboats; particu- larly for hulls with either a modified fin or full keel. And when compared to a fixed prop, the Autostream® signifi- cantly reduces drag while improving reverse performance. The three-blade model is also available for "Saildrive" engine installations and may be fitted to...

FEATHERING PROPELLERS PROVIDE \ND MORE FEATURES AT LOWER COST" Gary Beck, Martec Engineering No expensive shaft lock is required to be fitted with an Autostream®. The propeller feathers itself and stays in the feathered position until rotated by the engine. This results in very low drag... even in light winds, when it is most GENERAL FEATURES We investment cast the standard Autostream body from 316 stainless steel. The main gear and blades are fabricated from high-strength grade 2507 duplex stainless steel, allow ing us to create substantially thinner, symmetrical blade sections that are...

"FOR MOST CRUISERS WE WOULD RECOMMEND A FULLY-FEATHERING PROP AS THE ULTIMATE REPLACEMENT Ralph Naranjo and Joe Minik, "Prope ling Performances" Cruising World Magazine, June, 1996 AUTOSTREAM® FEATURES Simple screw and locknut adjustments may be easily performed underwater, eliminating expensive haulouts to dismantle the prop. Replaceable bearings throughout Independent forward and reverse pitch adjustment allows optimum ahead pitch and fine reverse pitch Superior propulsion astern over folding, fixed blade and self pitching propellers Each blade has 2 bearings for greater rigidity...