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post #81 of 92 Old 01-01-2013 Thread Starter
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Re: Anchor Wars

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Yes, and I came darn close to buying one. At the time there was not as much info and I was suspect of spending my $$ on a newer product so I purchased a Manson Supreme. It didn't fit well on my roller so I returned it and got a Rocna. If I had to do it all over again I might buy a Mantus. That does not change my argument that Mantus has not proven that it holds any better or worse than a Manson or a Rocna.

I would buy Mantus because it probably holds just as well as the other two and it's priced well. The disassemble feature is nice, but once I put it together I doubt I would ever take it apart so that's a non-issue for me.
Well both Rocna and Manson Supreme are good solid anchors... and to prove advantage we need to challenge the anchor.... short scope, hard bottoms...
The aim was to make videos that are easy to watch and are catchy...The aim is to market... Having said that the results are real and unedited... I can provide you personally with hours of footage.... but it does not make for a good promotional video...

We achieve significantly higher holding power in hard bottoms:



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Re: Anchor Wars

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Mantus has a very interesting marketing approach. Probably cutting edge.
My big question about this anchor is the dissimilar metals in the bolts and crevice corrosion for when the anchor is left assembled permanently. Have these been tested? Wet, salt water, low oxygen environment between those sandwiched pieces could theoretically take the inside of those ss bolts apart, while the heads look brand new. Mantus, have you done tests on this?
Galvanized Steel Anchor
The bolts on the galvanized anchor are galvanized steel bolts. We provide lubricant for assembly to prevent seizing on future nut removal. Rusting begins only in areas where galvanization is lost. The bolt's body is not exposed to rubbing, so the galvanization layer stays intact. When the anchor starts to show significant signs of rust, bolts should be inspected.
Just like any other anchor when it starts rusting compromising integrity...

Stainless Steel
Our stainless steel anchors come with 316SS fasteners

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post #83 of 92 Old 01-01-2013
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Re: Anchor Wars

Which size do you recommend for a Westsail 32? A large 32 at 20,000 lbs. I plan to use the anchor without the hoop. Will that change the weight much? Should I move up to the 45 lb.?
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post #84 of 92 Old 01-02-2013
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Re: Anchor Wars

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Originally Posted by Mantus Anchors View Post
Galvanized Steel Anchor
The bolts on the galvanized anchor are galvanized steel bolts. We provide lubricant for assembly to prevent seizing on future nut removal. Rusting begins only in areas where galvanization is lost. The bolt's body is not exposed to rubbing, so the galvanization layer stays intact. When the anchor starts to show significant signs of rust, bolts should be inspected.
Just like any other anchor when it starts rusting compromising integrity...

Stainless Steel
Our stainless steel anchors come with 316SS fasteners
Thanks. I see I was mistaken about the dissimilar metals in the anchor.

However, have you done testing on crevice corrosion for the ss model, if left permanently bolted? How is the galvanized bolt not exposed to rubbing? What takes up the load, are there pins?


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Re: Anchor Wars

Bolts take up the load, but when assembled and fasteners are tight and greased there is little movement between the bearing surfaces, compared to the external part of the anchor that gets dragged on the sea floor. So the rust usually first appears on the nose of the anchor and then other external areas exposed to the sand paper effect of the sea bottom.

We have not done testing on the SS bolts for crevice corrosion. Though it will not be very different than corrosion involving a welded shank fluke attachment....
Remember a single bolt is enough to handle the maximum expected loads on the anchor... and there are four......

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Re: Anchor Wars

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Which size do you recommend for a Westsail 32? A large 32 at 20,000 lbs. I plan to use the anchor without the hoop. Will that change the weight much? Should I move up to the 45 lb.?
Since this is a 32 foot boat and does not have the wind-age of a modern 20,000 lbs boat I am tempted to say 35 lbs will be ok, but then when it comes to shock loads the mass/momentum becomes really important, so a 45 lbs anchor is totally reasonable and if it were me that's what I would do.
What do you have now?
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Re: Anchor Wars

Guys remember that we have a sponsorship program, if you are doing something cool,
Write us! there is a sponsorship link on the website....
Greg

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Re: Anchor Wars

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Originally Posted by Mantus Anchors View Post
Since this is a 32 foot boat and does not have the wind-age of a modern 20,000 lbs boat I am tempted to say 35 lbs will be ok, but then when it comes to shock loads the mass/momentum becomes really important, so a 45 lbs anchor is totally reasonable and if it were me that's what I would do.
What do you have now?
Greg
The boat came with a 45 CQR, which I never liked much. I had the opportunity to sell it for full retail when visiting the Galapagos. Since then, I've been using my spare, a 33lb Spade . This anchor is amazing, but I still need another anchor (to replace my spare).

Since I haul it by hand, I like the lighter weight of the Spade. From my experience (out cruising for 11 years), when conditions require it, I just add scope and a second anchor, rigged in tandem, if necessary

I'm leaning towards the 35lb Mantus (role bar removed) for the primary and moving the Spade back to the bilge for a spare.
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Re: Anchor Wars

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Originally Posted by Bambolera View Post
The boat came with a 45 CQR, which I never liked much. I had the opportunity to sell it for full retail when visiting the Galapagos. Since then, I've been using my spare, a 33lb Spade . This anchor is amazing, but I still need another anchor (to replace my spare).

Since I haul it by hand, I like the lighter weight of the Spade. From my experience (out cruising for 11 years), when conditions require it, I just add scope and a second anchor, rigged in tandem, if necessary

I'm leaning towards the 35lb Mantus (role bar removed) for the primary and moving the Spade back to the bilge for a spare.
Got it... Honestly I hate to say it, but I think you are better off leaving the Spade on the bow... Last thing you need is a failure to bite because the anchor flipped, its a rare event but possible without the roll-bar and can happen in the most inopportune time..... Spade is a very good anchor. The marginal advantage of the Mantus is offset when you have an anchor that does not right itself...
Just imagine a sloped bottom or a bump on a rock....
Greg

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Last edited by Mantus Anchors; 01-02-2013 at 01:56 PM. Reason: typo
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post #90 of 92 Old 01-25-2013 Thread Starter
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Re: Anchor Wars

Netters, meet us at Miami International Boat Show!
Booth 4022
We will be raffling off 2000$ worth of Mantus Products and offering big discounts....
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