Mantus anchors
Marin wrote:
But we feel it would be bordering on criminal to sell an accident waiting to happen to an unsuspecting boater. So it will serve out its life as a doorstop until such time as we send it to a landfill with the rest of our garbage.
Rex writes:
Marin does have a point, equally it would also be bordering on a criminal act, or worse to sell an anchor designed with a specific steel grade to be redeemed as safe, then only to meet a price, reduce the quality of its original steel make up resulting in bent shanks.
Of course we need anchors that will rapidly penetrate and then hold, I have no doubt that weather the Mantus has third party tests or not theIr anchors do as they claim, this type of anchor technology is now becoming more of the norm.
The road maps are laid and should be easy to follow, I can tell you, get set for yet another design to hit the market shortly. No not mine.
So I don’t think there will be any problems with what Mantus claims, something that is even more important and should be questioned is design and construction, I say this partly due to the far better holding power of modern anchor designs, modern anchor technology, more holding power requires stronger better build and design, when searching new anchor technology also search the product for quality and certification of build and proof test.
As we have had to go through the whole process so many times with an independent authorized tester, it has helped us enormously and been a complete eye opener as to what we thought was strong enough, another reason for certification is it puts not just the strength of an anchor design through its paces but proves its ability to set , reset if broken out , a required penetration distance, then to maximum hold distance resulting in an independent of the holding power per kilo of anchor weight, this is all done in sand.
If you want approval in various types of sea floors then the same tests have be carried out by the same independent tester in the types of sea floor you are seeking certification for.
Finally, if you build an anchor design out of mild steel it still has to meet all of the above requirement’s, so steel quality is not the issue if it is a tested certified anchor design, the mild steel will befar thicker to cope with the required loads, however the mild steel does not have good recoil properties to absorb shock, we use all 360 grade mild steel in the Super Sarca’s and in twenty years have only heard of four bent anchors, this I believe is because meet a standard, not high holding power standards, Super high holding power standards, far superior to high holding power build construction.
The Excel is a different beast, it requires thinner steels to obtain correct orientation among many other aspects of its design, I take Erics point as to high tensile steels snapping, this is why we run with bisaloy 80, it is not to say we have the strongest shank but to meet the requirements for Super High Holding power proof tests, with one major advantage over mild steel, Bisaloy has incredible flexing and recoil properties that majorly help to reduce shock to anchor design , and reduce shock loads on the boat itself.
As Far as I am concerned this is where many of you should be focusing your attention, I know in some parts of the world certification can be bought, here in Australia you are scrutinized all the way and can simply get away with nothing, this is why boats under survey required certified anchors.
Both of our Designs are accredited with Super High Holding Power Certification.
Regards Rex.