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Rocna Anchors and stowage

FM
Faure, Marin
Thu, Jun 28, 2007 4:45 PM

We ordered a Rocna 40 for the new boat with the expectation of stowage

problems on the pulpit rollers. That big bail on the anchor top side
does present a challenge.

The roll bar on a Rocna should not present a problem because it's
forward of the anchor shank.  The Rocna 20 (44#) that we just installed
on our GB36 in place of the Bruce fits perfectly.  The only difference
is that the Rocna designer was more interested in making the anchor
self-deploying than in making it self-stowing.  So the anchor--- at
least the Rocna 20 we have--- balances on the forward roller of the
pulpit with the shank in the air above the pulpit as opposed to
old-style anchors like Bruce, CQR, Danforth, etc., which have more
weight behind the balance point and so sit with their shanks hard down
on the pulpit.

What this means is that the Rocna is really easy to deploy--- all we
have to do is release it, as opposed to our Bruce which required me to
lift up on the shank and shove the anchor forward until it tipped down
toward the water on its own.  The downside--- such as it is--- is that
since our Rocna only touches the boat at the forward roller, the anchor
can pivot back and forth a bit with the boat's motion while underway.
It's restrained by the chain keeper, of course, so it won't actually go
anywhere, but it does sway a bit.  For now we have simply put a bungee
around the back of the pulpit and hooked the ends to the anchor shackle.
This holds the anchor centered over the pulpit with no motion.  There
are probably many other more elegant ways the shank can be held immobile
as well.

For anyone contemplating the use of a Rocna on their boat I have a photo
of ours if you want to see how they sit on a GB-style pulpit.  E-mail me
and I'll attach it to a reply.  marin.faure@boeing.com .


C. Marin Faure
GB36-403 "La Perouse"
Bellingham, Washington

>We ordered a Rocna 40 for the new boat with the expectation of stowage problems on the pulpit rollers. That big bail on the anchor top side does present a challenge. The roll bar on a Rocna should not present a problem because it's forward of the anchor shank. The Rocna 20 (44#) that we just installed on our GB36 in place of the Bruce fits perfectly. The only difference is that the Rocna designer was more interested in making the anchor self-deploying than in making it self-stowing. So the anchor--- at least the Rocna 20 we have--- balances on the forward roller of the pulpit with the shank in the air above the pulpit as opposed to old-style anchors like Bruce, CQR, Danforth, etc., which have more weight behind the balance point and so sit with their shanks hard down on the pulpit. What this means is that the Rocna is really easy to deploy--- all we have to do is release it, as opposed to our Bruce which required me to lift up on the shank and shove the anchor forward until it tipped down toward the water on its own. The downside--- such as it is--- is that since our Rocna only touches the boat at the forward roller, the anchor can pivot back and forth a bit with the boat's motion while underway. It's restrained by the chain keeper, of course, so it won't actually go anywhere, but it does sway a bit. For now we have simply put a bungee around the back of the pulpit and hooked the ends to the anchor shackle. This holds the anchor centered over the pulpit with no motion. There are probably many other more elegant ways the shank can be held immobile as well. For anyone contemplating the use of a Rocna on their boat I have a photo of ours if you want to see how they sit on a GB-style pulpit. E-mail me and I'll attach it to a reply. marin.faure@boeing.com . ______________________________ C. Marin Faure GB36-403 "La Perouse" Bellingham, Washington