Anchor upgrade

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If your catenary has gone in 25 knts of wind may I suggest putting more chain out and using heavier chain. And note I did not say there is no need for an anchor but that the anchor secures the chain. If its securing the boat as you'd have it you are anchoring all wrong. And I say this because apart from the catenary acting as a shock absorber if its not lying flat at the anchor shank then its pulling the anchor out and not digging it in.
Sorry, but putting out more chain is not the answer - it may delay the point at which catenary is lost and is often difficult in busy anchorages because it increases the swinging circle. There is plenty of evidence that chain is essentially bar taut and no longer on the seabed in the sort of loads that 25-30 knots of wind create on a boat, particularly high windage ones. If the holding power of the anchor was of little importance then why would one bother with buying a superior holding anchor as other posters have said to overcome dragging? Numerous tests show that the angle of pull of the chain on the newer anchors has little effect on its setting or holding power. The idea of a more horizontal pull comes from the old style plough type anchors such as the CQR and to an extent the Delta which often needed a horizontal pull to set. New generation anchors are designed to set as soon as they hit the bottom and a load is applied. Plenty of tests on the internet that show this and post#9 illustrates the difference well.

This is the first time I have seen anyone suggest that the anchor is there to hold the chain! Very opposite of what happens. Good anchoring technique requires setting the anchor into the seabed and then letting out enough chain or rope appropriate to the depth and the room available for swinging. In lighter airs the catenary of chain or a snubber absorbs the loads but once that disappears the boat is anchored to the seabed. If your anchor is not set sufficiently it will drag
 
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