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Old 04-22-2017, 10:45 PM   #1
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Supreme whack job continued ...

Quote:
Originally Posted by Nomad Willy View Post
Some grinding took off the roll bar.

When I bought the Supreme it was advertised as a 15lb anchor. It weighed 18lbs. Now it weighs 15lbs. The roll bar was heavier than I though it would be. As a result the CG is considerably lower. The only way one can make it drag is to stand it up vertical and tip it backwards away from the fluke. Very unlikely for the anchor to end up vertical and as soon as one started to back down it would be on it's side. Should work but then it's anchoring and surprises abound.

I have another modification planned that should take the place of the roll bar and force the anchor to orient itself properly. Very little weight and drag.

I want to try it as seen in the pics before further modification. I don't want to add stuff and then want to come back where I was before. I'm going to use the little cable as seen in the last pic to help w the penetration. If it won't penetrate deeper that the stock anchor w the roll bar then my mod is pointless.

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I was going to revive the thread but there's too much BS on it. Even arguing w Marin. Didn't realize it was that old.

In about a week we'll be going on our first cruise in some time. I plan to use the modified Supreme much of the time especially on questionable bottoms. Want to see if my substitute for the roll bar can provide dependable setting.

I included this old post (second pic (attachment) is best) to show how I've modified the anchor. The most recent mod was grinding (lots of grinding) the leading edge of the shank to a quite sharp knife like shape. The whole philosophy of this anchor mod is to attain a far less draggy substitute for the roll bar and streamline the other parts to permit low drag through the bottom and deeper penetration. But it needs to set dependably. Will report back.

The other anchor (XYZ) has been modified again since it's last been seen so I included two pics (after and before).
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Old 08-28-2017, 04:09 PM   #2
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Not an anchor one casually throws in the inflatable for kedging.

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Old 09-04-2017, 06:51 AM   #3
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The roll bar is from end to end and not side to side? How does that help it roll? At all?
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Old 09-04-2017, 07:20 AM   #4
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Quote:
Originally Posted by what_barnacles View Post
The roll bar is from end to end and not side to side? How does that help it roll? At all?
It will roll when that webbing fills full of weed in a good current and pulls the anchor back out, preventing it from ever resetting.....
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Old 09-04-2017, 07:59 AM   #5
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Oh Oh, this may put North Korea on the back burner.
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Old 09-04-2017, 08:02 AM   #6
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Oh Oh, this may put North Korea on the back burner.
It may take a video by Steve to avert the conflict....
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Old 09-21-2017, 08:41 AM   #7
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Quote:
Originally Posted by what_barnacles View Post
The roll bar is from end to end and not side to side? How does that help it roll? At all?
Barnacles,
If the anchor lands inverted the "horn" digs in and levers the back of the fluke up above the seafloor. This being very unstable it flops off on one side and presents an edge of the fluke tip to the bottom like many other modern anchors and "knifes" down into the bottom for a set.

Also re the horn .. notice how it's swept fwd? That's so during reversals the chain, cable or line doesn't catch the horn and jerk the anchor out.
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Old 10-09-2017, 09:34 PM   #8
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Caught up w Steve on the net and saw he's cut off the slot pice on top. It was my idea also but I thought it was not a good idea to weaken the shank so I declined to do it.

Well now Steve has done it and the shank seems up to the task w his rather violent reversals so I got out the grinder. Took quite a bit of grinding but it's done. Don't know when I'll get a chance to do some sets as I'm recovering from a separated rotator cuff tendon.

Took off the "hogback" righting lattice as I wanted to see if I could set the new version consistently ... or most of the time. The "lattice worked but I want to see how close to perfection I can come concentrating on CG to roll the anchor. It's lower drag than ever so I'm optimistic. Optimism fails in experimental anchoring often so ???

If I fail I have a plan B.
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Old 10-09-2017, 09:48 PM   #9
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Quote:
Originally Posted by what_barnacles View Post
The roll bar is from end to end and not side to side? How does that help it roll? At all?
barnacles,
It works. Just like the shank on the Manson Boss, Rocna Vulcan and Spade. If the anchor gets fairly vertical the top of the shank pushes the anchor up enough so the fluke tips the anchor over and the it lays on it's side or assumes a position right-side-up.
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