August 2009 Issue
Mooring Anchors for Sensitive Seabeds
Practical Sailor reviews options for mooring anchors with this first report in a series on mooring gear selection.
Mooring anchors fall into two general categories: those that rely on sheer weight and mass to provide holding and the embedment types that penetrate the sea floor. There are also some hybrids that rely mostly on their weight, but also embed themselves in the sea floor over time. BoatUS projects and municipal tests on Sarasota Bay, Fla., support helical screws as the best option when it comes to choosing mooring tackle, particularly in sensitive areas. Practical Sailorís evaluation of mooring anchor types includes the Helix screw, Manta Ray, Dor-Mor, Mushroom, and concrete blocks.
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