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  #1  
Old 06-18-2013
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Stabilizers

We have a wharf up at our cabin that is not very stable. It's ok for the most of us but my wife's father has some mobility issues.
We have looked at replacing the whole thing with an aluminum unit but the cost is rediculous. Has anyone used the upside down mushroom style of stabilizers and if so what are your thoughts on them, ie; do they work? They seem a bit small to do anything.
There is very little wave action so it will be for more stability from people walking around on it than for damping wave action.
The lake freezes for 5 months out of the year and the level of the lake goes up and down about 3 feet throughout the year.
I am open to all suggestions and methods.
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Old 06-18-2013
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Re: Stabilizers

Floating or stationary?
Maybe galvanized pipe legs to pads or auger screws on the bottom, if it floats, the pipes could be attached in a manner to allow them to still rise and fall and provide some lateral stability.
Stationary Dock Hardware - Bottom Pad - Overton's
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Old 06-18-2013
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Re: Stabilizers

It floats and it gets pulled out most winters.
The cabin sits empty for the most part and is almost 8 hours and a ferry trip away, so it would have to be self adjusting.
The wharf part is not anchored, it is held in place by the gangway. I am looking for vertical stability rather than lateral that's why I was thinking about the mushroom style of stabilizer as it only attaches to the wharf. I'm just not sure how well they work.
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Old 06-18-2013
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Re: Stabilizers

I am assuming a floating dock from the description. Does it float up and down on polls or is it via chains and anchors? If it is on polls could you put some locking screws on the brackets that hold them to the polls. You could lock them in place when needed (such as when the father in-law is there), then unscrew them to let them float up and down when not needed so that it can follow the lake height. Could be simple as a nut welded onto the bracket that you can thread a bolt through till it presses against the poll or post. A large wing nut could then be welded onto the bolt to make it tool free. Just remember to unscrew it or the entire dock structure could get lifted. Is it tidal or just seasonal as far as depth goes?

Edit:

If it is just held in place by the gang way that will be more difficult.
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Re: Stabilizers

Doubtful the lake level changes rapidly.. If it's not too deep how about attaching 3 or four adjustable stifflegs and deploy them when needed (ie extend them to the bottom to support the 'float' for the time of use.. retract them when you're away. You could adjust to suit the depth at the time (again, assuming it's not too deep)
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Re: Stabilizers

I have been trying to upload a picture but I keep getting an upload failure.
That would work and I could probably get away with just two poles. But knowing me I would forget to release them and I would return months later to find the wharf high in the air or under water.
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Re: Stabilizers

Quote:
Originally Posted by Dog Ship View Post
I have been trying to upload a picture but I keep getting an upload failure.
That would work and I could probably get away with just two poles. But knowing me I would forget to release them and I would return months later to find the wharf high in the air or under water.
High, perhaps, but never under water... it would just float off and lift the legs up with it...
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Re: Stabilizers

Ever think about how stable multihulls are? Imagine an outrigger or two. You do not have to go buy a decrepit catamaran sans mast and sails. A beer keg welded to one end of an aluminum strut and then the other end bolted to your wharf will do the trick.
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Re: Stabilizers

Quote:
Originally Posted by Michael K View Post
Ever think about how stable multihulls are? Imagine an outrigger or two. You do not have to go buy a decrepit catamaran sans mast and sails. A beer keg welded to one end of an aluminum strut and then the other end bolted to your wharf will do the trick.
Just be sure to drink the beer first, no need to waste perfectly good beer!
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Old 06-19-2013
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Re: Stabilizers

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Originally Posted by miatapaul View Post
Just be sure to drink the beer first, no need to waste perfectly good beer!
Definitely, no alcohol abuse allowed around here.
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