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Old 12-27-2011, 08:50 PM   #1
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stabilizers

I just purchaseda a 44' chung wha* I was thinking stabilzers may be worth looking into** can someone give me a brief 411* on* them* cost and downsides?
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Old 12-27-2011, 09:40 PM   #2
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RE: stabilizers

Downsides - none that I can think of, costs - minimum $25 -30K. Do you have the ER space?
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Old 12-28-2011, 01:21 AM   #3
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RE: stabilizers

sunchaser I do have the er space but have to much space in my bank account for 20-30g wow
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Old 12-28-2011, 04:03 AM   #4
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RE: stabilizers

Flopper Stoppers?

A couple of fish and 2 poles require no big holes in the bottom of the boat , no electronics , no hydraulics .

With a different cable end device , you can tame a rolly anchorage too.

Some work IS required to deploy them , not just fire a brain box.
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Old 12-28-2011, 08:09 AM   #5
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RE: stabilizers

Take a look at my avitar I have what are known as Paravane stabelizers.'

All it is is hardware.

You could have them custom made for a few hundred bucks and they really work.

Ask thousands of commercial fishermen.

SD
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Old 12-28-2011, 08:21 AM   #6
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RE: stabilizers

We also have paravanes (sissy bars).* They work at any speed, even at anchor and you can do any repairs yourself.** The loads*are extremely high so the*design is critical.** We wouldn't cruise where we do*without them.
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Old 12-28-2011, 02:47 PM   #7
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RE: stabilizers

I have seen them , and they sweem interesting The pictures I see range from the tall outriggers as seen on commerical fish boats to short poles mounted low on the deck are they equaly as effictive?
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Old 12-28-2011, 03:15 PM   #8
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RE: stabilizers

It's all about leverage. The farther out the paravanes aka birds are from the boat the greater their stabilizing effect will be. However the farther out they are the stronger their supporting structure needs to be and the stronger this structure's attachment to the boat needs to be.

Probably the most effective passive stabilizers are the ones used by salmon trollers and set from their deployed outriggers. But these are supported by a heavy central mast and a maze of rigging. Not too practical on a recreational cruiser unless it was built with this sort of thing in mind.* But it's a good illustration of the principle.
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Old 12-28-2011, 03:48 PM   #9
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RE: stabilizers

Since you're new to the boat, why not wait a while and see if you feel it needs improving. Either passive or active stabilizers are going to be a big expensive project.
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Old 12-28-2011, 07:21 PM   #10
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RE: stabilizers

This unit will just sit inside.. no poles /mast or fins.. not sure of the price but would expect it to be a few $$. I may look at something like this in a year or so. Anyone here know about this product?

http://www.antirollinggyro.com/CMS/00002.html

Elwin
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Old 12-28-2011, 08:22 PM   #11
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RE: stabilizers

I believe it would far exceed the value of your boat.
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Old 12-28-2011, 08:39 PM   #12
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RE: stabilizers

Tim you maybe correct but WOW.. $170K+ if value is rated in $$.. hmmm - not worth it I guess unless value is based on what one is willing to invest in for comfort i.e. not letting a favorite wine spill while having dinner at anchor with some sea on. Also, if it keeps the admiral from getting a little sick while touring around the coastline then a few $$ spent could be of some value.*

My biggest concern would be vibration / stress on my yacht on start-up or shutdown. Like it states in the info the*structural foundation should be approved by a Marine Engineer to ensure that it will safely transfer the torque to the vessels hull.

Elwin*
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Old 12-28-2011, 09:04 PM   #13
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RE: stabilizers

Quote:
Ocean Breeze NL wrote:
This unit will just sit inside.. no poles /mast or fins.. not sure of the price but would expect it to be a few $$. I may look at something like this in a year or so. Anyone here know about this product?

http://www.antirollinggyro.com/CMS/00002.html

Elwin
*This is probably the same product I read about a year or two ago. Went for around $75,000. Not worth it to me, no matter how well it might work, but...
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Old 12-29-2011, 03:47 AM   #14
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RE: stabilizers

A couple of OTS pillow block bearings , a liberated man hole cover , and a 3600 rpm table saw motor with a couple of belts?
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Old 12-29-2011, 05:27 AM   #15
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RE: stabilizers

I have a friend that runs the demo boat for this outfit. http://www.seakeeper.com/index.php He swears it's the greatest thing since sliced bread.
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Old 12-29-2011, 06:27 AM   #16
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RE: stabilizers

Unless you're doing open ocean cruising, I'm not sure the expense and effort justifies the benefit,* IMHO.* If you want a more comfortable ride at anchor, *check our Forespar's Roll-X.* We had a similar set up that we made our selves on our last boat and the*motion at anchor was*greatly reduced.* You can also just buy the stabilizer with out all the hardware from Magma.

http://www.forespar.com/products/rol...-stopper.shtml

http://www.magmaproducts.com/Product...tabilizer.html
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Old 12-29-2011, 12:38 PM   #17
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RE: stabilizers

Quote:
Marsh Rat wrote:
I have a friend that runs the demo boat for this outfit. http://www.seakeeper.com/index.php He swears it's the greatest thing since sliced bread.
*So what was the best thing BEFORE sliced bread? :-)
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Old 12-29-2011, 06:35 PM   #18
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RE: stabilizers

Quote:
Keith wrote:Marsh Rat wrote:
I have a friend that runs the demo boat for this outfit. http://www.seakeeper.com/index.php He swears it's the greatest thing since sliced bread.
*So what was the best thing BEFORE sliced bread? :-)

*Muffins.
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Old 12-29-2011, 11:20 PM   #19
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RE: stabilizers

Quote:
Delfin wrote:Keith wrote:Marsh Rat wrote:
I have a friend that runs the demo boat for this outfit. http://www.seakeeper.com/index.php He swears it's the greatest thing since sliced bread.
*So what was the best thing BEFORE sliced bread? :-)

*Muffins.

*No.* It's bacon!
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Old 12-30-2011, 01:38 PM   #20
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RE: stabilizers

Sea Gyro sells the GT5K stabilizer unit that they say is for*boats up to 30 tons for $19,900 USD plus freight according to*their ad.* It'd be curious to know if anyone has ever see or used one.* If it works as advertised, the price doesn't seem that bad with no external parts plus it*working at anchor.**www.seagyro.com
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