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Old 30-11-2017, 01:53   #16
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Re: Windlass Problem Using A Length Of Chain Between Anchor and Rope

"The CQR is all chain and the Danforth has 150' of rope and 25' of chain at the end. The problem is that the rope drum on the windlass won't wind the chain."

"You could consider doubling the length of chain so your anchor is pretty well always going to be on the bottom still, while you are swapping the rode from the drum to the gypsy, to make that job easier. Theoretical solution only - never tried that."

A rule of thumb is that the chain length should be one boat length, the chain serves two vital purposes.
It ensures that the pull on the anchor is horizontal and thus unlikely to break it out,
and secondly, the chain acts as a shock absorber, when a load comes on the anchor due to wave action etc, then the chain lifts absorbing the energy of the additional load on the rode, thus ensuring that there is no shock load going on the anchor that could break it out.
It is essential that the length of chain is sufficient to ensure that the pull on the anchor is still horizontal ie increasing the length of the rode in bad weather.
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Old 30-11-2017, 05:13   #17
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Re: Windlass Problem Using A Length Of Chain Between Anchor and Rope

Quote:
Originally Posted by Jim Cate View Post
FWIW: If you take two turns of the chain around the drum and tail firmly, it will likely work just fine. It is likely to scar the drum, but it will haul in the chain. Oil rig workers use this technique to screw together and unscrew pipe sections.

Jim
had me standing to attention in a nanosecond in the bunk when a kiwi next to us did that in teh wee hours of the morning
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