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Join Date: Sep 2005
Location: New Westminster, BC
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With the narrow-finned Ross 780 and other boats like it, the riding sail doesn't eliminate the anchor-sailing, but seriously slows it down, and more importantly softens the turns so there are less shock loads on the ground tackle.
When the bow falls off on boats like that, the boat acclerates, sometimes alarmingly, and when the rode fetches up it can, in a decent breeze, put enough shock on the anchor to pop it loose. This is reason enough to use a riding sail even though it's only a partial cure.
They stow compactly and are simple to deploy.(and to make, come to think of it - they need no shape, only a flat panel, a couple of hanks and loops)