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Post by hoppy on Jun 13, 2015 6:34:51 GMT
I want to replace my 16kg Delta with a 20kg Rocna Vulcan or Spade but it is clear that neither of these anchors will fit without extending the bow roller. Anyone got any bright spark ideas about how it could be extended?   I could perhaps make a longer pivoting part but I suspect that before the anchor is firmly in place on the roller it will kiss the gelcoat. Given the design of the anchors I want, I wont need a pivoting part on an extension. As it is quite wide on the roller, perhaps I can get made up an anchor roller that fits snuggly inside, using bolt that goes through the current roller plus some bolts trough the stemhead to secure it  Otherwise I'll need to remove the stemhead and weld on a longer roller. |
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Post by sailbleu on Jun 13, 2015 8:00:31 GMT
Wow , Hoppy' s going for the fancy stuff , Rocna Vulcan for crying out loud.
Quite an adaption extending the bow roller , I' m sure you're aware of the bigger leverage forces on a longer roller when not using a snubber line.
But have you measured the distantance from the shank (inside curve) to the tip of the anchor of both Vulcan and Spade ?
If you you're just short of an inch or so you can solve that by putting in a full size front roll ( now you have a stepwise shape roll) so the anchortip is further away from the bow.
This is what I've done to tackle the problem .
The only thing I really should make a habbit of is to install my bow cover before anchoring , the gelcoat damages are numerous already.
And when a nearly 30 kg anchor crashes into the bow it leaves more than just a scratch.
Hope this helps
Regards
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Post by hoppy on Jun 13, 2015 8:40:45 GMT
I was told that even with the SS bow cover you can still damage the gelcoat, but in a different way. So you dont want an anchor that always hits the protector.
Got a bigger issue to worry about, but that issue may make modifying the existing roller easier
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Post by touchngo on Jun 13, 2015 16:22:31 GMT
I'd be interested in what the person telling you meant. I have a stainless protector on the stem, and we have a 20KG Rocna. It hasn't damaged anything visibly yet, but we do bring it up to the roller gently and the tip is usually stowed a little down the starboard side. We will be marking the chain two meters from the anchor, so that as it breaks the surface, you know to slow down on the hoist.
Love my Rocna, Chinese built and all (it's always trying to dig its way back home).
PT
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Post by hoppy on Jun 13, 2015 16:53:19 GMT
Have you taken the ss plate off.
I guess if the anchor hits the ss hard it will press into the gel coat. The load will be more spread and perhaps overtime it will crack the gel coat
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Post by touchngo on Jun 13, 2015 17:34:12 GMT
I'll have to look into how to take the Stainless off, although I'm not that stressed about it at the moment to make it a priority to check. I guess it is Sikaflexed in place, so may be quite a job to get off!
PT
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Post by Tafika II on Jun 14, 2015 14:37:12 GMT
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Post by hoppy on Jun 14, 2015 15:37:09 GMT
Did you cut the original bow roller off the stemhead? |
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Post by Tafika II on Jun 14, 2015 18:14:31 GMT
No removed the entire plate roller assembly, welded on a stepped 1/2 SS plate with the same countersunk mounting holes and reinstalled with 3M 5200 underside.
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Post by MartyB on Jun 15, 2015 14:08:43 GMT
"IF" I had one of these plumb bow boats, I could see a 12-18' sprit of some sort to get the anchor away from the actual boat bow. I could also see this as a place to attach a code 0 or asymetric too with some of the fractional rigs that manufactures are selling these days. The 349, SF3200/3600 have a sprit option sorta kinda like I was thinking of.
This would be my personal attempt at fixing this issue.
Marty
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Post by hoppy on Jun 15, 2015 16:32:43 GMT
"IF" I had one of these plumb bow boats, I could see a 12-18' sprit of some sort to get the anchor away from the actual boat bow. I could also see this as a place to attach a code 0 or asymetric too with some of the fractional rigs that manufactures are selling these days. The 349, SF3200/3600 have a sprit option sorta kinda like I was thinking of. This would be my personal attempt at fixing this issue. Marty The thought has crossed my mind in the past couple of days. It would be nice to do away with my Selden bowsprit. It works well but it's a bit annoying that it blocks the anchor locker so I cant have my genny rigged up until I've up anchor and I cant drop it after I'm anchored Do you you know of any companies that make them? The only company I've looked at is a Swedish one www.batsystem.se This is the SO49 but it will look the same on the 40 or in black www.batsystem.se/en/peke/segelbat/performance/pb120bl |
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Post by MartyB on Jun 15, 2015 18:29:23 GMT
Hoppy,
That is the idea. I personally would choose something that was FRP of some sort. The wood/SS of that option does not appease my eye any how. I find it easier to maintain a FRP setup, which is why I would go that route.
I do not like the Seldon sprits as you point out the why and where for.
If that sprit was the ONLY option, I would take it.....Now one is into the personal taste of items vs a strictly function standpoint.
Marty
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Post by hoppy on Jun 15, 2015 19:31:50 GMT
Hoppy, That is the idea. I personally would choose something that was FRP of some sort. The wood/SS of that option does not appease my eye any how. I find it easier to maintain a FRP setup, which is why I would go that route. I do not like the Seldon sprits as you point out the why and where for. If that sprit was the ONLY option, I would take it.....Now one is into the personal taste of items vs a strictly function standpoint. Marty My big fear of a bowsprit like that is that I'll end up having to sell my "Code 1" because I ordered a Code 0  |
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Post by hoppy on Jun 19, 2015 6:37:23 GMT
Ordered the bowsprit (obvious given I'm selling the Selden ) and a 20kg Rocna Vulcan. It's going to be interesting to see how I'll be attaching the snubber in the future |
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