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jemmyqiu 发表于 2013-9-17 08:45 
船身是5.5米,本来配的是2米的链子,可是有时候下锚船还是动,(淤泥地)你知道新人不知道掉点就只能往船 ...
Actually from what I have learned and input from other experience boaters, chains length at the end of anchor rope varies from one's boat size, weight, anchor selectioni, and also the current factor of where the anchoring spot.
The main purpose of chain addition is to ensure the anchor, if appropriate anchor is selected, aligns with the seabed in narrow angle so the anchor can grip hold of the terrain with the chain weight, notwithstanding under current would drag and resist your rope from aligning the seabed.
Depend on the boat size and the material of your boat, i.e. glass or alu, the requirements for chain length varies on the tidal resistance of one's boat on water. In saying so, the current plays a factor too. For example when I fish off Western Port in Victorian waters where half a knuckle size sinker can easily afloat in spring tide, then one needs a longer chain to serve the purpose of anchoring.
Hope it helps. It's part and parcel of anchoring. |
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