Another "Next Generation" anchor enters the market... - Page 26 - SailNet Community
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post #251 of 291 Old 02-22-2014
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Re: Another "Next Generation" anchor enters the market...

Netters thank you for your support!
wanted to share this blog post with you...

s/v Perry: Nightmare Anchorage in Lizard TownTalking anchors is a bit like talking religion and people have strong opinions. After spending almost every night at anchor over the last year and surviving strong winds and rough anchorages with all kinds of bottoms without dragging, I'm ready to jump into the fray with a plug (uncompensated and with no hidden agenda) for our Mantus anchor. We love it. Yeah, we love it so much maybe we WILL marry it..........

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post #252 of 291 Old 02-23-2014
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Re: Another "Next Generation" anchor enters the market...

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Netters thank you for your support!
wanted to share this blog post with you...
Quote:
s/v Perry: Nightmare Anchorage in Lizard Town

We met one couple in the boatyard in Beaufort, North Carolina that had sold everything to move aboard their boat and then less than a year later decided it wasn't for them and threw in the towel. The main reason they gave was that they were never able to sleep well while at anchor due to worry.
I'm sure many of us have heard similar stories, as well ... Never ceases to amaze, wouldn't you think people would figure out that they're Nervous Nellies about anchoring BEFORE selling everything they own, and embarking upon the glossy magazine 'Cruising Lifestyle' ?

Or, that after a year or more, they simply hadn't learned enough about anchoring to be able to do so with confidence?

UFB...

Last edited by Faster; 02-23-2014 at 08:15 AM. Reason: Fixed quote
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post #253 of 291 Old 02-23-2014
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Re: Another "Next Generation" anchor enters the market...

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I'm sure many of us have heard similar stories, as well ... Never ceases to amaze, wouldn't you think people would figure out that they're Nervous Nellies about anchoring BEFORE selling everything they own, and embarking upon the glossy magazine 'Cruising Lifestyle' ?

Or, that after a year or more, they simply hadn't learned enough about anchoring to be able to do so with confidence?

UFB...
We had members in our sailing club who felt the same.. For 30 YEARS!!

They seemed to make it a point of pride that they'd never anchored in all that time. They only ever attended our rendezvous' if we went to a marina...

Ron

1984 Fast/Nicholson 345 "FastForward"

".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)
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post #254 of 291 Old 02-23-2014
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Re: Another "Next Generation" anchor enters the market...

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Do the bent anchor shafts mentioned in Practical Sailor bother you? How about the steel quality the bolts are made of ? I have one and so no reason tp find the claims its better than its predacessors Rocna or Manson.
Chef2sail, Practical Sailor has never reported a bent Mantus Shank, as you state in your post.
However, shanks of any design can bend and where we stand with our shanks is clearly explained in this write up.... Anchor Shank Strength for Lateral Applied Loads

We also have a life time warranty on our anchors and ship replacement parts at our expense.

As far as the bolts go,
Even though we currently use Grade 5 bolts the anchor was designed and sized for use with Grade 2 bolts.

For example a Mantus 35-lbs anchor has FOUR 1/2-in bolts at the shank joint. Each 1/2-in Grade 5 (120 ksi) bolt has ultimate tensile strength (UTS) of 24,000-lbs. Compare that to the 5/16-in High Tensile (HT) chain which has UTS = 11,700-lbs.
Each bolt is twice as strong as the chain & there are four bolts, so the Mantus joint is 8x as strong as the chain.
Simple math gives you - Mantus shank joint UTS = 96,000 lbs
5/16" HT chain - UTS = 11,700 lbs.

For Grade 2 (74 ksi) bolts the UTS =14,800-lbs. A single 1/2" Grade 2 bolt is still stronger than the HT chain. And the Mantus shank joint with four Grade 2 bolts has UTS = 59,200-lbs and is 5x as strong as the 5/16" HT chain.

reference bolt strength data

Greg
Happy Mardi Gras!

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Last edited by Mantus Anchors; 02-23-2014 at 01:59 PM.
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post #255 of 291 Old 06-09-2014
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Re: Another "Next Generation" anchor enters the market...

The shear strength of the Mantus bolts is massively higher than any load you'd ever encounter. It's simply not an issue. As far as bolts loosening, as long as they are sufficiently torqued, it should never be an issue and even if ONE were to loosen, it would be immediately obvious. Just not an issue.

I would like to hear from folks who have been using the Mantus for a while now as per any rusting, bending, wear and tear issues. Looking at all the anchor options, I believe a 65# Mantus will be my next main anchor.

Alberg 35: With a philosophical flourish Cato throws himself upon his sword; I quietly take to the ship.
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post #256 of 291 Old 06-09-2014
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Re: Another "Next Generation" anchor enters the market...

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Unfortunately, to get this discount you have to be at the show in person.
But we will have something special for the online Netters very soon
Greg
Greg,
It's been about four months since your "stay tuned" post. The season's getting started up here in Seattle and I'm anchor shopping. Any Netter deals available?
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post #257 of 291 Old 06-09-2014
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Re: Another "Next Generation" anchor enters the market...

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........
I would like to hear from folks who have been using the Mantus for a while now as per any rusting, bending, wear and tear issues. Looking at all the anchor options, I believe a 65# Mantus will be my next main anchor.
65#er for a 35 footer seems overkill to me?? We've got a 35# Mantus on our (albeit lighter) 35 footer - replacing a same weight CQR.

Early days for us but last year we plowed enough furrows in a bay with our CQR to plant corn.. early this year, same bay, same place, single drop and solid stop with Mantus. We'll have more to say at the end of this coming summer.

Ron

1984 Fast/Nicholson 345 "FastForward"

".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)
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post #258 of 291 Old 06-09-2014 Thread Starter
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Re: Another "Next Generation" anchor enters the market...

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I would like to hear from folks who have been using the Mantus for a while now as per any rusting, bending, wear and tear issues. Looking at all the anchor options, I believe a 65# Mantus will be my next main anchor.

I was one of the early adopters and I've been using mine for 2 years now and have really put her through her paces. I really like this anchor. I will preface this with the statement that I'm comparing it to my experience with the Fortress and genuine Bruce and I've never used a Mansocna.

She grabs quick and hard and sets right where you drop her. A Bruce is a fast setting anchor, but the power of the grab is immediately apparent with the Mantus. I once set her while in a strong current and my bowsprit dipped down over a foot as she grabbed.

I've had no rust or other issues with mine and the supplied lock washers have kept the bolts from working loose. I disassembled my anchor when I put my boat up for sale and she came apart just fine (I used the supplied grease when I first put her together) after 2 years of use.

I convinced my dad to join the cult and he's currently on the way to the Broughton Islands with his new Mantus. He's planning on posting his thoughts on the trawler forum when he gets back. He's used his once so far, where he had a 40ft sailboat and a 40ft trawler rafted to his 52ft pilothouse boat. All were hanging on the Mantus and the wind did pick up. No dragging and you can see from this photo I took afterwords how deep she dug in the sand. The entire fluke was buried. BTW, the anchor in the picture is the 105lb Mantus.



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post #259 of 291 Old 06-09-2014
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Re: Another "Next Generation" anchor enters the market...

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Originally Posted by smurphny View Post
I would like to hear from folks who have been using the Mantus for a while now as per any rusting, bending, wear and tear issues. Looking at all the anchor options, I believe a 65# Mantus will be my next main anchor.
That seems a pretty big anchor for an Alberg 35.

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Re: Another "Next Generation" anchor enters the market...

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Originally Posted by smurphny View Post

I would like to hear from folks who have been using the Mantus for a while now as per any rusting, bending, wear and tear issues. Looking at all the anchor options, I believe a 65# Mantus will be my next main anchor.
That seems a pretty big anchor for an Alberg 35.
Wow, I'll say... Especially on a design with such long overhangs, and so little tolerance for placing additional weight at the ends of the boat...

Says me, who carries a 45 lb Manson and a 33 lb Bruce on the bow of a 30-footer :-)


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