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Old 19-07-2020, 18:58   #1
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please explain the spade connection joint

I just bought a boat that has a spade anchor. Obviously, I've heard almost nothing bad about this anchor, and I've read in multiple places that the bolt holding the shank and fluke together doesn't take any of the load. I guess I believe this, since everyone says it, but when I assembled it after the purchase (the seller had put the original ss bruce on it for the sale, since it looked nicer), I had a hard time seeing how the bolt does not take most of the load. There is a lot of fore/aft play in the shank/fluke connection. Is it the way that the wedge shaped shank jams into the fluke slot that takes the load? Can somebody point me at a diagram, pictures, or video that visually explains it? Thanks!
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Old 19-07-2020, 19:48   #2
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Re: please explain the spade connection joint

When pulled from the chain attach point, the force is not acting in the direction needed to withdraw the shank. As a result, it binds in the hole.

Friction becomes great.

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Old 20-07-2020, 05:20   #3
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Re: please explain the spade connection joint

Ok, so there's supposed to be that play in the shank slot so that it pivots and the wedge shape binds up. Thanks.
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