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Go Back   SailNet Community > General Interest > General Discussion (sailing related) > Question regarding Rocna Anchor's Roll Bar
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Topic Review (Newest First)
03-25-2013 06:33 PM
Brent Swain
Re: Question regarding Rocna Anchor's Roll Bar

Quote:
Originally Posted by Faster View Post
As an aside, CG, BC's favourite 'dragging ground' at Newcastle is now mostly a mooring buoy field.. the park people installed them over last winter. They seem well used and appear to be addressing the various issues that plagued that bay - and anchoring/inside among the new buoys is forbidden (in all of Mark Bay).
Nanaimo is about to become a non issue for most cruisers, as the down town docks are about to be sold to a private company, with a reputation for charging huge fees for dingy access, putting it off limits for all but the rich.
03-25-2013 09:59 AM
SVAuspicious
Re: Question regarding Rocna Anchor's Roll Bar

I concur with wingNwing. I've had my main Rocna since 2006 and my secondary Rocna since about 2009. While I haven't been dragged down on I did hold a four boat raftup through an afternoon Chesapeake Bay thunderstorm.

I can also add that when fully set the Rocna roll bar is generally fully buried. Accordingly it is no more likely to catch the anchor of a dragging boat than is your chain. The story told is a great story to tell at the bar but should not contribute to the decision-making process when selecting an anchor.
03-25-2013 08:06 AM
wingNwing
Re: Question regarding Rocna Anchor's Roll Bar

If enough sailors anchor out enough times, I suspect that anything, no matter how statistically unlikely, will eventually happen ...

We've had our Rocna since 2009; 2 round trips ICW and back Chesapeake to Bahamas/Florida with lots of anchoring in lots of conditions. In all that time, we dragged once, and that was in a *tornado!!* On two separate occaisionsions, unattended boats our size or larger dragged into us (one in a gale at 3 AM, isn't that always when these kinds of things happen?). Our Rocna held BOTH boats for hours and didn't move until we could get the owners back and get them separated. Neither case was the roll-bar issue you are concerned about; my satisfaction with the anchor is based on the fact that it held much more than its rated load.
03-24-2013 06:00 PM
Capt. Grimek
Re: Question regarding Rocna Anchor's Roll Bar

Capt. Ty, thank you for re-affirming that this Old "superstitious about changing up his gear"
Salt isn't crazy after all :-) That roll bar just looked like it was begging for such an event to me even though I was told I was claiming the sky was falling :-0
You've done me a service by reaffirming my concerns and by letting people know that this is indeed a real possibility.
03-22-2013 01:48 PM
Capt. Ty
Re: Question regarding Rocna Anchor's Roll Bar

Quote:
Originally Posted by Capt. Grimek View Post
I've been looking at Rocnas on the dock and even though the plow portion looks good, that tall curved roll bar cries out one big concern for me. A friend and local broker said he had the same concerns looking at them.

My question is: When anchored in a blow and less seamanlike owner's boats
are dragging down on your location, aren't those tall semi-circular roll bars
just "begging" for a neighbor's dragging anchor fluke or plow tip to enter, continue dragging enough to pull out your anchor? Or at the least tip it on it's side enough that the neighbor's anchor won't let yours reset?

I can't imagine this not being a risk. Can owners explain why this would not be
of concern?

I've been using a CQR oversized for over 30 years in the Pacific N.W. in trying situations and have no desire to change, but I'm interested in looking over the "new generation" anchors to see what they offer.
That "hoop" on the Rocna raised our eyebrows.

For WA State and B.C. sailors here, it's Nanaimo,B.C./ Newcastle Is. Anchorage that comes to mind primarily. Seen many people drag in a S.W.er there and many people don't use adequate scope, etc. We haven't ever dragged in 30 years other than 2 initial "trial" sets. It' the other guy I'm worried about....so far ;-)
I just read your Rochna post of nov. 2013. Strange but true, this actually happened to me yesterday, English Harbor, Antigua. I watched a charter group come into the anchorage. They dropped 60 feet in a 20 ft. water depth. Catamaran, lagoon 40. They started to drag and as they raised their anchor they violently did a swing to starboard. I had my sights on them and lo and behold up came my Rochna anchor. Lucky for me I had 180 feet of chain out from the boat and I did not move. Their anchor had dragged right through the roll bar and had locked in place. It took 4 people, two in dinghies, to disentangle the anchors. This is the first time in 3 years this has happened. It is a real risk and not to be diminished. Mine is a 55 lb. Rochna, and it came up nicely!
11-06-2012 10:29 PM
chef2sail
Re: Question regarding Rocna Anchor's Roll Bar

Tri it mitch and report back...maybe you create another different type of new generation anchor
11-06-2012 10:16 PM
Minnewaska
Re: Question regarding Rocna Anchor's Roll Bar

Quote:
Originally Posted by mitchbrown View Post
Brent

I am thinking the same as you where it comes to welding a roll bar on my Delta anchor. The anchors are pretty similar other wise.

Mitch
They couldn't be more different. The convex vs concave plow is a huge difference.
11-06-2012 10:14 PM
eherlihy
Re: Question regarding Rocna Anchor's Roll Bar

Uh... no,

The Delta is a type of plow anchor. The blade is concave in relation to the shank, whereas the blade on a Rocna is convex in relation to the shank. To make a Delta work similarly to a Rocna or Manson, you would have to remove the shank, and weld it to the other side of the blade. I still doubt that it would work as well..
11-06-2012 09:59 PM
mitchbrown
Re: Question regarding Rocna Anchor's Roll Bar

Brent

I am thinking the same as you where it comes to welding a roll bar on my Delta anchor. The anchors are pretty similar other wise.

Mitch
11-06-2012 06:46 PM
Brent Swain
Re: Question regarding Rocna Anchor's Roll Bar

Quote:
Originally Posted by Capt. Grimek View Post
I've been looking at Rocnas on the dock and even though the plow portion looks good, that tall curved roll bar cries out one big concern for me. A friend and local broker said he had the same concerns looking at them.

My question is: When anchored in a blow and less seamanlike owner's boats
are dragging down on your location, aren't those tall semi-circular roll bars
just "begging" for a neighbor's dragging anchor fluke or plow tip to enter, continue dragging enough to pull out your anchor? Or at the least tip it on it's side enough that the neighbor's anchor won't let yours reset?

I can't imagine this not being a risk. Can owners explain why this would not be
of concern?

I've been using a CQR oversized for over 30 years in the Pacific N.W. in trying situations and have no desire to change, but I'm interested in looking over the "new generation" anchors to see what they offer.
That "hoop" on the Rocna raised our eyebrows.

For WA State and B.C. sailors here, it's Nanaimo,B.C./ Newcastle Is. Anchorage that comes to mind primarily. Seen many people drag in a S.W.er there and many people don't use adequate scope, etc. We haven't ever dragged in 30 years other than 2 initial "trial" sets. It' the other guy I'm worried about....so far ;-)
Given Nanaimo BC's increasing hostility towards cruisers, anchoring there may soon be a moot point. The downtown basin has been sold to Washington Marine Group, a group which has been asking $5 an hour for visitors to park their dinghy, and is selling slips to private owners for up to $65,000 each.
Their moorage rates send a clear message to cruisers, only the filthy rich are welcome in Nanaimo. Many are passing it by, and elsewhere there is no shortage of anchorages where there is little chance of anyone dragging down on you.

I have been considering using a roll bar on a delta type anchor, to simplify construction and galvanizing. Has anyone tried that?
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