Association Forum - Has anyone used a Magma Rock & Roll stabilizer?

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Catalina/Capri 25/250 Sailor's Forums

General Sailing Forum

Has anyone used a Magma Rock & Roll stabilizer?

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delliottg
Former Mainsheet C250 Tech Editor

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USA
4479 Posts

Initially Posted - 09/11/2007 : 11:56:26

Our last time out we spent a pretty bumpy night hanging on a mooring ball. We get a fair amount of ferry and commercial traffic, and unless you get one of the "good" balls, you can expect a fair amount of large wakes to go through during the night. While both of us were able to sleep OK, there were a few times where it got pretty rough for a while, and I'd like to not have that happen again if possible.

We're contemplating a [url="http://www.magmaproducts.com/Products/Marine_Products/Stabilizer/stabilizer.html"]Magma Rock & Roll Stabilizer[/url] to reduce rolling while anchored/moored. Does anyone have experience with them? Recommendations?

David
C-250 Mainsheet Editor

Sirius Lepak
1997 C-250 WK TR #271 --Seattle area Port Captain --

Edited by - on

Sloop Smitten
Master Marine Consultant

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USA
1181 Posts

Response Posted - 09/12/2007 : 10:41:43

David,
I can't comment on the Magma product but thought I would relate how we overcame the rocking on my last trip to Catalina Island. We were moored at Descanso Bay, outside Avalon, which is a largely unprotected mooring field. There was no wind but a small swell was coming through and the time period between the swells was sufficient to initiate some pretty violent rolling. Finally about midnight I got up and raised the mainsail. It provided sufficient stability to overcome the rolling and pitching and we had a restful night after that. If the wind had been up that may not have been an option but in a calm situation on a strong mooring it worked beautifully. This is also one of the reasons it is a good idea to raise the main when yuo are motoring. It keeps the pitching and rolling to a minimum.

Edited by - Sloop Smitten on 09/12/2007 10:43:38

JimB517
Past Commodore

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USA
3285 Posts

Response Posted - 09/12/2007 : 15:13:25

I use the roll preventors. I have 3 cones on each side, attached to an 8 lb mushroom anchor. I deploy 1 set of 3 from the spinnaker pole (or whisker pole). If your boat is rolling through 30 degrees, one set of 3 on the pole will cut it to 15.

15 is still alot so if my boat was rolling that much I'd drop in the second pair. Since I only have one pole, I simply hang the 2nd pair from a cockpit winch.

This will kill the rolling to about 5 degrees.

They work. Get them deep, on a pole, keep the anchor off the bottom.