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Originally Posted by Misty Blue
Next question: What is "Scope"? How much of it do youd need? I have a eight foot chain between my mooring hawser and my anchor. Why?
Misty Blue.
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Scope is the ratio of the length of rode to the height of the bitter end (where the rode is tied) of the rode above the sea floor. 7:1 is a good starting point from which you can go up or down a few points depending on the weather, the amount of room you have to swing and the security you need.
The chain on your mooring is there to resist the chafing that would otherwise part your hawser. Mooring anchors don't need the chain for holding power.