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flapbreaker
Joined: 26 Jan 2005 Posts: 878 City/Region: Hillsboro
State or Province: OR
C-Dory Year: 2006
C-Dory Model: 22 Cruiser
Vessel Name: Playin' Hooky
Photos: Playin' Hooky
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Posted: Mon Oct 17, 2005 5:46 pm Post subject: rigging the anchor |
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I have the fast set delta anchor and was wondering about something. It has a second hole in it's arm down near the "plow" area. I'm assuming this would be used to attatch the chain to permanently and then use zip tie's to attatch it to the end of the arm. Again I'm guessing this would be the ideal way incase the anchor got hung up you could bust the ties and would be pulling from a better angle? Right now it's not rigged that way so should I worry? |
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Bearbait
Joined: 28 Mar 2005 Posts: 151 City/Region: North Pole
State or Province: AK
C-Dory Year: 1991
C-Dory Model: 22 Cruiser
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Posted: Mon Oct 17, 2005 6:41 pm Post subject: |
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I've got a Bruce type anchor and it comes with the same 2 holes. I'm considering using both holes but I think I'll have trouble getting it up onto the anchor roller and through the loop of metal on the end of the roller assembly. I thought about getting a short piece of stainless cable to go between the 2 holes and I think that would take care of the problem.
I'm concerned with what exactly you would use to attatch to the front hole ie. wire, wire ties etc. How strong do they need to be to be reiably strong and still be able to break them. Using both holes might be a great setup for a fishing anchor but I don't know if I'd trust it while spending the night in less than ideal conditions. Who out there uses a breakaway setup and how do you assemble it? Do you use it while spending the night? |
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Redƒox Guest
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Posted: Tue Oct 18, 2005 2:16 am Post subject: |
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I do done it for years now, here's what the Fox likes:
Keep a stainless steel connector in the first hole, (non break-away) ready to rig to the chain, for trusted anchorages. In more unfamiliar and rocky areas (mostly fishing holes) use the break-away.
I use the same twin they use on longlines for commercial bottom fishing. Personally, I don't know what strength to use, I eyeball it, mostly
Have had the "ganion twine" wear-through, and anchor fail... (daoh ) keep a good eyeball on the break-away material
Have also retrieved a bent bruce, by not having it rigged by break-away, this was a "day anchor" I would not have chosen to anchor in normally.
It's worth it |
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Sea Wolf
Joined: 01 Nov 2003 Posts: 8650 City/Region: Redding
State or Province: CA
C-Dory Year: 1987
C-Dory Model: 22 Cruiser
Vessel Name: Sea Wolf
Photos: Sea Wolf
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Posted: Tue Oct 18, 2005 6:47 am Post subject: |
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Greg-
Is the "ganion twine" wrapping nylon (elastic) or dacon (inelastic) or does it make any difference?
Do you ever use tape over the twine to take some of the abrasive abuse?
1/4" G-40 chain and 1/2" three strand nylon rope each have breaking strengths of 7000+ lbs, The CD-22 weighs 3000+ lbs.
In motion, either with the motor moving the boat, or with the anchor line cinched down and the boat riding the swells, we could easily get 2000-3000 lbs or more on the rode to try and break it loose. Got any guess as to how much load the ganion twine is set up to break at? (Not trying to beg the question, just get a good feel for the "how much" to use issue.)
Another way to quantify it, perhaps the easiest, would be to state how many wraps of line to use and what test / breaking strength of the line was, i.e., five to seven wraps of 150 lb test line.
Thanks, Joe. _________________ Sea Wolf, C-Brat #31
Lake Shasta, California
"Most of my money I spent on boats and women. The rest I squandered'. " -Annonymous |
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flapbreaker
Joined: 26 Jan 2005 Posts: 878 City/Region: Hillsboro
State or Province: OR
C-Dory Year: 2006
C-Dory Model: 22 Cruiser
Vessel Name: Playin' Hooky
Photos: Playin' Hooky
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Posted: Tue Oct 18, 2005 12:24 pm Post subject: |
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I know that some people just use several large zip ties on their columbia river setup.
My problem is I'm using a windlass and I just put a swivel between the chain and anchor. Not sure how I would still use it while it's in the breakaway setup. I was thinking I could just cut the chain above anchor and instert the swivel between the two chain portions.
Anyway i just didn't know how necessary it was to use the breakaway. I would hate to have to cut it loose. |
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Redƒox Guest
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Posted: Tue Oct 18, 2005 2:14 pm Post subject: |
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Joe. There is no stretch at all in the ganion twine. It's super-duper-durable stuff I still don't know the poundage on it, but it's immense I'm sure Definitely only one wrap, or it will be stronger than the treated 3/8 rode I use.
Some mentioned them huge plastic ties (too spendy) then again, a roll of ganion is ridiculously priced also might be better off with the plastic ties... at least it would be rot and abrasion-resistant.
Arg.... I'm off to see my "kiroquackter" today I'll catch ya latter ... poof |
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journey on
Joined: 03 Mar 2005 Posts: 3597 City/Region: Valley Centre
State or Province: CA
C-Dory Year: 2005
C-Dory Model: 25 Cruiser
Vessel Name: journey on
Photos: Journey On
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Posted: Thu Oct 20, 2005 11:39 am Post subject: |
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I must be missing something. I looked at the various anchors I have (Bruce and CQR) and indeed they have two holes. One at the flukes, and the other at the end of the stock.
So, the suggestion is to shackle the chain to the fluke end and run the chain back along the stock, untill you get to the end of the stock and tie-wrap the chain there?
That's new to me. If the tie-wrap breaks loose when you really need the anchor, like in a blow, the rode will pull the anchor right out, since it'll be pulling the fluke end. Is that OK? The normal practice is to shackle the chain to the end of the stock, so the pull is going to set the anchor, the harder the pull the deeper the anchor is set.
I thought that the fluke hole was to tie a bouy line so that if it gets stuck you can pull it out. I've done that and it worked just fine. I've also neglected to set a bouy line, and had to dive the anchor.
Anyway, just understand what you're doing and what can happen. Remember, your anchor is what you're depending on. It's not a lunch hook.
Boris |
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Bearbait
Joined: 28 Mar 2005 Posts: 151 City/Region: North Pole
State or Province: AK
C-Dory Year: 1991
C-Dory Model: 22 Cruiser
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Posted: Thu Oct 20, 2005 12:30 pm Post subject: |
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I'm with you Boris, I think next year I'll rig my small fishing anchor that way but the big anchor will remain rigged conventionally. I don't like surprises in the night. |
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Sea Wolf
Joined: 01 Nov 2003 Posts: 8650 City/Region: Redding
State or Province: CA
C-Dory Year: 1987
C-Dory Model: 22 Cruiser
Vessel Name: Sea Wolf
Photos: Sea Wolf
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Posted: Thu Oct 20, 2005 12:43 pm Post subject: |
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Boris-
You're right on with your concerns and they are exactly why it's so important to get the breaking tension right on the tie-downs, and why when a real nasty life threatening blow is expected, a stainless steel shackle is used to solidly tie down the chain at the front and over-ride the break-away feature.
There have been a number of attempts to devise a mechanical trip device into the area where the shank meets the flukes, but none that I know of has ever caught on and sold well.
In storm anchoring, the KISS Principle seems to apply proportionately and therefore absolutely. |
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TyBoo
Joined: 23 Oct 2003 Posts: 5314 City/Region: Warrenton
State or Province: OR
C-Dory Year: 1996
C-Dory Model: 25 Cruise Ship
Vessel Name: TyBoo
Photos: TyBoo
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Posted: Thu Oct 20, 2005 12:55 pm Post subject: |
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A lot of people (but not me) rig their anchors in the manner discussed. The chance of the tie down failing is actually pretty slim, because when deployed and the rode is taut, the pulling force is pretty much in line with the shank and there is very little force applied to the tie down at the shank end. Where it comes into service is in the case of a stuck anchor when you move up on it and apply force straight up (~90º to the shank) or move past the stuck anchor and pull it backwards. Then the tie down absorbs all the force and breaks free.
That's all fine and dandy, but I still don't trust it. My concern is what may happen when anchored through a tide turn and the anchor has to be pulled around. Almost all of my anchoring is done in sand/mud, so there isn't really much to foul the anchor. Now RF, he gets his anchor into all kinds of places it shouldn't be and his lash-up has saved his butt (and his anchor) a bunch of times when rocks and trees didn't want to give it back. I reckon if I was in an area where fouling the anchor was likely, I would use the two-point attachment. _________________ TyBoo Mike
Sold: 1996 25' Cruise Ship
Sold: 1987 22' Cruiser |
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lloyds
Joined: 02 Aug 2005 Posts: 1724 City/Region: sublimity
State or Province: OR
C-Dory Year: 1996
C-Dory Model: 22 Cruiser
Vessel Name: undecided
Photos: 1996 22 Cruiser (Lloyds)
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Posted: Thu Oct 20, 2005 1:15 pm Post subject: |
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I too will stay with the conventional lashup. Before now I had never even heard of the alternate method. I found that when you anchor in places like Desolation Sound and look at the canadians anchored around you most of them have the buoy with the tripline attached. I went up there unprepared the first time and found out the usefulness of the tripline. Whaletown and most of the other popular anchorages are old log handling sites and the bottom is littered with cable, big cable. We ended up taking a loop of chain and a line and dropping it down the rode and hoped the loop would slide down the anchor shank so we could pull the anchor out from under the cables. Not much fun, real hernia material. |
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Redƒox Guest
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Posted: Thu Oct 20, 2005 1:31 pm Post subject: |
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Thank you Mike and Joe, for do'n such a good explanation of the rig
In answer to the original post then... I'd say the answer is: it depends on you location, and the anchor of choice. Personally I like the plow design best. They have less tendency to foil, for their single-fluke.
I to think the buoy-line is the best, but thats more work and more crap you have to carry on board, on a small boat.
A "flaw" in the buoy line method, perhaps: Draging anchor into deeper water, can float the buoy. Setting it up with excessive line (poly rode) can float on the surface and pose a navigational hazard to other boats. |
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Sea Wolf
Joined: 01 Nov 2003 Posts: 8650 City/Region: Redding
State or Province: CA
C-Dory Year: 1987
C-Dory Model: 22 Cruiser
Vessel Name: Sea Wolf
Photos: Sea Wolf
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Posted: Thu Oct 20, 2005 2:03 pm Post subject: |
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Deja-vu' !!!
The search for a simple, all inclusive, definitive answer for all possible circumstances is foiled by reality again! Dang!. Don't 'ja just hate it when that happens??? Now about those twins vs. singles, your prop pitch problem, and that potty and shower dilemma............
Joe. |
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Ron on Meander
Joined: 17 Jun 2004 Posts: 561 City/Region: Powell River
State or Province: BC
C-Dory Year: 2005
C-Dory Model: 25 Cruiser
Vessel Name: Meander
Photos: Meander
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Posted: Thu Oct 20, 2005 4:13 pm Post subject: |
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I saw this SARCA anchor at the Vancouver Boat Show last year and was tempted to get it instead of my Bruce. I found the Bruce used at about half price so I went that way. However, other than being butt ugly, I think this SARCA anchor would pretty much do away with any worries about getting fouled and it looks like it should hold as well as any plow style would. Check it out. http://www.anchorright.com.au/productCategoryAnchor.php?id=aus
Ron |
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Sea Wolf
Joined: 01 Nov 2003 Posts: 8650 City/Region: Redding
State or Province: CA
C-Dory Year: 1987
C-Dory Model: 22 Cruiser
Vessel Name: Sea Wolf
Photos: Sea Wolf
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Posted: Thu Oct 20, 2005 4:52 pm Post subject: |
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Ron-
The SARCA anchor looks interesting. Obviously its a plow design, but the ring feature to help the anchor roll over is new to me. The Hydrobubble designs have a float at the upper rear of the shank that helps land the anchor on its bottom and can also help to roll it over. One version of this anchor also has a hinged break-free device. See here:
http://www.anchorconcepts.com.au/?
The slotted shank has been used before. The biggest insecurity with a free slotted shank in which the shackle can slide is the fear that a wind reversal will pull the anchor out of its set and not reset properly. Note the hole in the front of the SARCA anchor shank to tie off hard to with the shackle or to add a breakable line to.
Looks like the number 3 size would fit the CD-22. Do you remember what the price was ?
Next week I'll show you an anchor with many of these features and then some, but still have to do some work on it, etc. Joe. |
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