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 Catalina/Capri 25/250 Sailor's Forums
 General Sailing Forum
 P/S ANCHOR TESTING		  New Topic  Topic Locked
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Dave5041
Former Mainsheet Editor

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USA
3758 Posts
Initially Posted - 04/05/2013 :  14:03:49  Show Profile
P/S has a two part article on anchor shaft bending that began in the current issue. This month is interesting background info on anchor certification, shank design and strength, and loads. They will start bending anchors in the next issue. A very interesting read, and next month should be very informative.

Dave B. aboard Pearl
1982 TR/SK/Trad. #3399
Lake Erie/Florida Panhandle
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awetmore
Master Marine Consultant

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USA
1144 Posts
Response Posted - 04/05/2013 :  15:10:27  Show Profile
My concern with the article is that they don't really touch on why the anchor shank needs to handle high side loads. If there is a high side load wouldn't you expect the anchor to pivot and reset?

If you are anchoring in rocks (so a pivot isn't possible) that might be important, but most people don't anchor in rocks.

If there is no expectation of side loads then the rectangular aspect ratio of modern anchors makes sense.

I'm curious to read the second one and see how that is addressed.
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Dave5041
Former Mainsheet Editor

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USA
3758 Posts
Response Posted - 04/05/2013 :  17:36:26  Show Profile
I think they did offer a scenario with a deeply set anchor that would not turn quickly enough to a rapid change in wind direction, not at all uncommon in thunderstorms. And personally, I have seen a lot of bent anchor shanks over the years. I saw three at Port St. Joe's small marina last month.
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pastmember
Master Marine Consultant

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2402 Posts
Response Posted - 04/05/2013 :  19:33:38  Show Profile
Will the Fortress finally find its Achilles shank?
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Dave5041
Former Mainsheet Editor

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USA
3758 Posts
Response Posted - 04/05/2013 :  20:35:27  Show Profile
Frank, P/S once bent a Fortress while testing holding power and resetting. It didn't reset after bending.
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.