Plastimo Cobra 2 Anchor.

I used a Delta for a year - fantastic anchor. My only gripe was that it was going to require a bit of fettling of the bow roller to sit properly.
Unfortunately, some toe rag decided they wanted one too but didn't fancy paying for it, so helped themselves. I replaced it with a Kobra II and must say that it is easily as good as the Delta, with the added bonus of sitting perfectly on the roller.
I have used it along the North East coast of Scotland and on the West coast around Mull / Oban etc. First time every time in up to 40 knots of shifting wind and tides. The chart plotter described a perfect circle !

It is reputedly better at resetting after a change in direction.
 
We replaced our Kobra (a Kobra 1 as it happens, but I think the performance is identical) with a Spade this year.

The Kobra had served us well for 10 years, but dragged on 3 occasions this spring. In each case I think the problem was a violent change of wind direction, and the anchor's failure to reset. The Kobra can get on its back and skid with no attempt to dig in. I've watched it doing this in clear water.

It seems to me that a real anchor test would be to let the anchor dig in, then pull it sharply from the opposite direction. Almost any old anchor will hold with a steady wind and adequate scope.

Tony MS
 
I used a Delta for a year - fantastic anchor. My only gripe was that it was going to require a bit of fettling of the bow roller to sit properly.
Unfortunately, some toe rag decided they wanted one too but didn't fancy paying for it, so helped themselves. I replaced it with a Kobra II and must say that it is easily as good as the Delta, with the added bonus of sitting perfectly on the roller.
I have used it along the North East coast of Scotland and on the West coast around Mull / Oban etc. First time every time in up to 40 knots of shifting wind and tides. The chart plotter described a perfect circle !

Great post, ta.
 
Ok I've decided on a Kobra 2, now I need to decide on sizing. Aquilo is a Beneteau First 31.7 and loaded I recon it weights about 4000kg. I was hoping to get the 12kg, what do you think? I don't anchor often and have no plans to be anchoring in 50 Kts but I guess you never know.
 
I will be replacing my Bruce copy (only because the alloy is of unknown quality and therefore the risk of brittle fracture is high; otherwise, the anchor holds very well once it digs in) with either a Kobra 2 16kg or a Manson Supreme 16kg; however the kobra is £140 and the Manson is £300; decision time.......
 
Actually, I have one slight gripe with the Kobra. There's not enough meat in the shank for me to feel comfortable drilling it to accept the securing pin as already fitted to my bow roller. That said, I lash it back to the windlass within the chain locker, and thanks to it and the roller's shape, there's now way it's going anywhere even without a fixing further forward.

I drilled mine to fit the bow roller pin on our Jeanneau SO34.2 eight years ago when we got it and have not been worried about it being a weak link when you look a all the other points of failure in an anchoring system; 10mm links, swivel, deck screws / bolts for the cleat or windlass, anchor shackle etc..

Ok I've decided on a Kobra 2, now I need to decide on sizing. Aquilo is a Beneteau First 31.7 and loaded I recon it weights about 4000kg. I was hoping to get the 12kg, what do you think? I don't anchor often and have no plans to be anchoring in 50 Kts but I guess you never know.

We have an oversized 16kg on a nominal 5000kg boat and I sleep easily.
 
I will be replacing my Bruce copy (only because the alloy is of unknown quality and therefore the risk of brittle fracture is high; otherwise, the anchor holds very well once it digs in) with either a Kobra 2 16kg or a Manson Supreme 16kg; however the kobra is £140 and the Manson is £300; decision time.......

What weight/ length boat is that on?
 
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