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  #21 (permalink)  
Old 03-15-2007
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I agree with Craig that as a single "all conditions" hook....the Delta should be the 44 pounder. I don't have the personal experience with Rocna's/Spades/Mansons etc. to say if I would be comfortable with less anchor in one of those designs.
My own experience with Delta on a 25K boat and a 50K boat is that 2 sizes up from recommended is needed if you expect to reliably hold in various bottoms in a gale. Of course, there are some bottoms that nothing will hold in reliably but the Delta does a great job of penetrating and holding. As I've said before....if I were starting out again...and being the conservative that I am...I would probably opt for one of the newer designs of similar weight to my Delta for extended cruising...though I think you can get away cheaper if you are not doing extended cruising and pick the right hook for your local conditions.
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  #22 (permalink)  
Old 03-24-2007
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AlainPOIRAUD AlainPOIRAUD is offline
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Always The Same Fake Curve..

Once more Craig Rocna is publishing here (as it has been published on nearly ALL nautical forums) the same FAKE curve showing the (ROCNA MODIFIED) results.

By no way the Rocna was the first in the test. Read below the test report written by Jeffrey Moser and Abner Kingman for Powerandmotoryacht magazine (the complete report can be read on:http://powerandmotoryacht.com/gearre...st/index5.aspx)

The comments are as folows:

the Manson proves the Kiwis know anchors, as it set quickly each time and held to a maximum of 5,332 pounds, releasing and dragging only once.

the Spade engaged quickly and held to 5,000 pounds in two nonconsecutive pulls, topping out at 5,236 pounds. (it should be noted that the tested Spade was only 2/3 of the surface area of the Rocna)

Rocna : The anchor tended to drag at first but finally set each time and held once to 5,000 pounds
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Old 03-24-2007
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Arrow

The standard nonsense from Poiraud, and the standard response for those who value independent testing:

Raw data from SAIL:

Code:
Anchor			Weight (lbs)	Max Before Releasing (holding power)
------------------------------------------------------------------------
Bulwagga		28		2200
Claw			36		0
 CQR			38		2300
 Delta			36		3250
 Fortress		22*		2100
Hydrobubble		16**		1700
Manson Supreme		35		2400
Océane			38		0
WM Performance 20	26		1600
Rocna			32		4800
SARCA			33		2800
Spade			35		3300
WASI / Bügel		32		2700
XYZ			12.5		900

* aluminium
** partly aluminium
Quotes from SAIL and Yachting Monthly:

"The Spade turned out to be one of the better-performing anchors on 5:1 scope... Results fell off dramatically, however, at 3:1 scope and at the New Brighton location."

"The Rocna was a powerful, impressive performer in our tests, recording instant sets at multiple 5,000 lb maximum (or near max) pulls at 5:1 scope. On the second 5:1 it released suddenly at maximum tension when revs were reduced, only to reset instantly at 4,300 lb of resistance, which was astonishing for an instant set."

"[The Manson] Supreme anchor, launched last year, is similar to the Rocna design. It also copies Sarca’s shank slot... At our first test location it set immediately and held to the maximum 5,000 lb pull... At other locations it wasn’t quite as steadfast, but still set and provided around 2,500 lb of resistance."


Strange how these comments differ to those from Power & Motor Yacht. It might have something to do with their seeming inability to distinguish between holding power while dragging and holding power while, ummn, dragging. Or it might have something to do with the fact that Jeffrey Moser, writer of the P&MY article, wasn't even present at the 2nd round of testing?
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Old 03-25-2007
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Alain/Craig ...Guys...I am not gonna have the SSCA fight duplicated here. I am leaving both your posts up so people can make up their own minds but further "contributions" on this thread by either of you are unwelcome and I will delete the posts if you two continue. I respect you both but enough!
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Old 06-14-2007
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Thanks to everyone who offered their input in response to my dual anchor post. I just wanted to follow up with an update regarding my final choice and my impressions.

I ended up with a Delta 44 with 200 ft of chain as my primary, my old Fortress 16 with 50 ft of chain and 150 of nylon rode as my second, and a Delta 22 with 50 ft of chain and 150 of nylon as my third.

We just returned from 3 weeks of cruising the DelMarVa Penninsula and must say that I am very pleased with the set up. We were forced to anchor on a very short scope one evening due to the fact that the only anchorage available was VERY crowded, and one of the typical Cheasapeake Bay summer storms blew through. And, although quite a few boats dragged, and some significant damage ensued, we were very secure.

The Delta 44 set first time every time, and stayed set in a variety of bottoms and thru wind shifts as well. So far so good. It is a very big improvement over my previous set up, and we are looking forward to setting that Delta in some nice Bahamas sand this winter!

All the best,

Mark Wood
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