Speed dating the deep hull

Posted by / 29-Sep-2017 06:30

Speed dating the deep hull

The keel of the traditional Downeast hull is similar to a sailboat’s keel.Although it’s not ballasted, the keel performs two important functions: First, it helps steady the boat in a seaway, especially a beam sea, limiting side-to-side motion.These two pieces are hand-laid with stitched biaxial E-Glass and vinylester resin for superior strength and then fit together to form a one-piece hull while still in the mold.The center seam is filled with twelve layers of fiberglass which fuse the two halves together creating an extraordinarily strong keel.Downeast boats, in general, are sea-kindly and safe in all kinds of weather.Stability is inherent in a design that includes a skeg to protect the underbody, propeller, steering gear, and drive train. When Maine fishermen began switching from sail to power, the Downeast hull configuration evolved from a true displacement hull to a longer, wider, semi-displacement hull.

Participants went on a series of 3-minute dates and indicated whom they would like to see again.The sound of waves slapping against a hull can be surprisingly disruptive to those who sleep aboard.Soft chines eliminate the noise of waves against the hull entirely.The flat after section tends to squat slightly, keeping the propeller and rudder deep in the water for a solid bite and excellent steerage.At the same time, the full length skeg and keel resists side-to-side rocking, while helping the boat track effortlessly–even in a following sea.

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There's some new research on speed dating, coming from researchers in Germany (Asendorpf, Penke, and Back, in press).