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Date Posted: - Tuesday - 08/29/06 - 11:03pm
Author: Randall, M31, Murre
Subject: easy
In reply to: Terry 's message, "Anchor Snubbing" on - Tuesday - 08/29/06 - 9:03pm


I have about 25 foot of three braid nylon line that I use for a spring line when in the marina and a snubbing line when at anchor. Can't remember the diameter ... 1/2 inch, 3/4 inch?...but relatively large. I have 100 feet of 5/8ths chain.

Once the anchor is set, I tie the snubber to the chain with a rolling hitch and pitch it overboard; tying off on the samson post at the depth I want, usually at least 15 feet. You can let the line feed through the anchor roller and the chain over the toe rail, BUT...

... I recently learned a new trick I like a lot. I attach a large snatch block (same size as jib sheet block) to the end of the bow sprit with a rope bridle and run the snubber through that. This gets the snubber almost entirely off the bob stay (even rope rubbing on the bob stay will wake you up) and lets you put the chain back into the chain roller. It’s also dead simple and can be made up with stuff you likely already have on hand--an old block, some spare line for the bridle, etc.

And with the rolling hitch, you can avoid the chain hook set-up, which requires you have a line that’s JUST a snubber. The rolling hitch is a thing of genius. It just doesn’t slip but is killer easy to untie when you are weighing.

Larry Pardey recommends the bow sprit thing and contends that there’s plenty of strength in the rig to absorb the pitching shock. Also, the leverage of the sprit helps to dampen the shock. I’ve used this set-up in calm to moderately rough conditions (25 knots wind--just two weekends ago) with great success.

Good luck,

RR

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Replies:

[> [> correction -- Randall, - Tuesday - 08/29/06 - 11:12pm

actually that chain size is wrong; it ain't 5/8ths. i can't remember if it's 5/16ths or 3/8ths though. sorry.


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[> [> [> Snatch Block setup -- Steve Cox M-32 Pyxis, - Wednesday - 08/30/06 - 9:18am

Could you post a pic of the setup or give a fuller description? I am having trouble visualizing where you attach the snatch block


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[> [> [> [> Another Snubbing Option -- Lawrence Killingsworth M40 Ta Ata Ori, - Wednesday - 08/30/06 - 1:46pm

Another option, Steve, as shown somewhat in the photos of Ta' Ata Ori on this web site, is to have a dedicated snubber line attached to the point where the bobstay attaches to the hull. On the anchor end, the snubber line (5/8" or maybe 3/4" nylon line) has a hook that attaches to the chain. No knots to tie. This arrangement keeps the anchor attachment low, so less pitching. Also, completely out of the way of the bobstay, dolphin striker, etc. There is some controversy associated with the having anchor stress at a point near the waterline, but the bobstay attachment area on the hull is highly reinforced and the snubber has worked fine on Ta' Ata Ori for many years.


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[> [> [> [> can do... -- Randall, - Wednesday - 08/30/06 - 2:00pm

...a pic, but i won't be on the boat this weekend, so it will be a while.

a better description is difficult, but let's try this: for the bridle, find a random piece of (1/2 inch?) used line in the locker 6 to 10 feet long (?); tie the bitter ends together to form a loop; fold this loop in half, twice; lay this folded loop over the bowsprit (in that space just in back of the cranse iron and just in front of the pulpit); now on each side of the bowsprit should be two loop ends that hang just below the bob stay when taut; clip the snatch block to these loop ends.

the bridle will rest on the sprit and lay over the whisker stay turnbuckles; thus the double loop, which helps distribute the load and the chafe. Extra chafing gear would be in order, but I've noticed very little line wear to date.

i haven't experimented w/this much. the first thing I tried (above) worked so well, I've not made any modifications. if the boat is sailing on anchor much, you will hear, from the vberth, the bridle shift position back and forth, but the noise is nothing like the wake-the-dead thunking and thundering of chain or snubber full across the bob stay.

ya, so a picture will be worth a thousand words... :)

RR


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[> [> [> [> [> Step one: the loop -- Randall, Murre, M31, - Sunday - 09/10/06 - 11:37pm

Select a 10 foot +/- length of rope; tie off w/a square knot and whip the ends (so things look neat and nautical for your mariner brothers).

Free Image Hosting at www.ImageShack.us


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[> [> [> [> [> Step two: lay over sprit -- Randall, Murre, M31, - Sunday - 09/10/06 - 11:42pm

Double the loop over twice and lay it over the sprit and over the outside of the whisker stay turnbuckles.

Free Image Hosting at www.ImageShack.us


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[> [> [> [> [> Step three: attach the block -- Randall, Murre, M31, - Sunday - 09/10/06 - 11:45pm

Attach your block ... without falling overboard.

Free Image Hosting at www.ImageShack.us


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[> [> [> [> [> step four: run the snubber -- Randall, Murre, M31, - Sunday - 09/10/06 - 11:52pm

Run the bitter end of the snubber through the block and BACK ON DECK. Attach to chain w/a rolling hitch. Run both snubber and chain through chain roller. Feed out as desired...

Free Image Hosting at www.ImageShack.us


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[> [> [> [> [> Step five: relax -- Randall, Murre, M31, - Monday - 09/11/06 - 12:26am

You're anchored.

Free Image Hosting at www.ImageShack.us

Advantages:
-no extra stuff to purchase
-no holes in your bowsprit
-easy to deploy

Disadvantages:
-chafe on the sprit and whisker stay turnbuckles (but this isn't much in moderate conditions when used for weekend anchoring. Besides, it's a junk piece of line you're using: if it chafes through, use another. That, or install extra chafing gear.)
-doesn't entirely eliminate snubber rub on bob stay, but rub is only audible when boat is sailing around on anchor (i.e. is a vast, vast improvement over nothing at all.)


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