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Go Back   SailNet Community > On Board > Gear & Maintenance > Stuck centerboard
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Thread: Stuck centerboard Reply to Thread
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Topic Review (Newest First)
09-29-2010 01:00 PM
brak
Quote:
Originally Posted by QuickMick View Post
also, a bit off topic, he has a boatlift in his slip and if that baby is not tied off just so it has a tendancy to heel over in high winds on the lift, just would hate to see you hurt your new toy....or the neighbors... lol.

glad you got her un-stuck.
I keep the boat with one float open - it's quite stable that way.

For high winds (we just had some tonight), I opened the other float - it just sits there. Fortunately, no one across the canal right now so there is lots of room for everyone to pass.
09-29-2010 12:57 PM
QuickMick also, a bit off topic, he has a boatlift in his slip and if that baby is not tied off just so it has a tendancy to heel over in high winds on the lift, just would hate to see you hurt your new toy....or the neighbors... lol.

glad you got her un-stuck.
09-29-2010 12:48 PM
QuickMick this might work, but it is VERY abrasive, ive used it to sand the edges of glass panes.

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09-29-2010 12:41 PM
brak QuickMick - funny you should say that.

After pondering all the "advanced" methods I finally decided to try a "bigger stick" (I was too careful before, tried a few pieces of lumber that were just too small, I guess). Found the biggest piece of lumber that I could swim with and fit in behind the cb, stuck it there and pried cb open (mainly by hitting it and cursing a lot). It's amazing how hard it is to hold onto something underwater to exert any type of pressure.

Now I also understand why it was so hard to move this thing down. Not only was it stuck but the cb is also *very* buoyant. So much so that if you let it go from down position, it will float up to where it gets stuck (and almost jammed my hand in process). I think it has at least 40lbs of buoyancy. That means anything used to dislodge it has to counteract this force first.

Well, now that the entire cb trunk is taken apart - I guess I have an unscheduled project of replacing the pennants (they are pretty new but since I already have this thing open, might as well), and then re-closing it. Also got to sand down sides of cb trunk underwater somehow. Is there sand-paper that won't turn into mush underwater?
09-29-2010 11:14 AM
QuickMick my friend has an F24--way cool boat-- and had the same problem... not very scientific, but he scubaed up and hit it a couple of times with a 2x4--i told him he was using the 'hitech' method-- just pointing out that he had the same problem w/o the paint job--he bopped it on the trailer at a crawl as it wasnt all the way up.

another thing you might want to keep an eye on that he had to replace, the plastic on the sides of the rudder is kind of thin, and over time they got a bit degraded (he always throws it in the cabin, so maybe the friction of the cassette over time caused it?) so he had to put some new ones on
09-29-2010 10:44 AM
CalebD My 7000# boat also has a c/b.
We were able to dislodge ours by motoring on some Hudson River chop.
Our c/b was stuck from marine growth in the trunk which grows there every year.
Sounds like you need to try your guitar string idea.
09-29-2010 08:56 AM
killarney_sailor I like the jack idea perhaps with the guitar string first. My Bristol's C/B trunk has a sea **** that is threaded on the inside. The boat came with about four feet of aluminum tube that is threaded at one end and has a large dowel (1"?). You take a cover off the sea ****, thread the pipe into the fitting and then use a hammer on the dowel. Haven't needed it yet, but that is how they want it done.

If you tried the banging trick, the next one would be the jack with a very wide support and a judicious hand on the crank.

For the person who asked about a 2000 lb boat with a C/B, my boat is 36K+ and Hood designed centerboarders much larger than my boat.
09-29-2010 08:33 AM
Bloke bugg*r - I cant say sh*t on this site
09-29-2010 08:31 AM
Bloke you say "the boat is new to you..."
perhaps there is a catch or other locking device that you haven't found yet...?
... previous owners modification maybe?
... perhaps something the boat yard put in to hold it up?
just thinking outside the box there ...

Beyond that, well your only option has to be a bigger hammer/lever - if the boat only weighs a ton then there can't be any real weight in the CB so bobing around in a seaway won't do ****.

reversing the jam effect of a ton weight is not so hard if you can get the leverage onto it.

... if you can access the housing that it slides into - clamping pressure for and aft will naturally open up the sides - not much but all you need is clearance

good luck
09-29-2010 07:05 AM
brak The boat is Corsair F-24.

1. hacksaw blade won't fit (I tried that too, that goes into the "blade of the knife" category). There is just no distance between cb and trunk wall in the area that is stuck to fit any metal object. I.e. I can run a knife/blade etc around the cb until it gets to the raised "wedge" at which point there is nowhere to go. I was hoping guitar string would be thin enough to slice through where blades won't go.

2. I have full access to the top of cb - the trunk lid is removed inside the boat. Pennants are disconnected at this point, so they are neither in the way nor really do anything.

Motoring around and hoping for it to fall - may be, but since I would have to fully reinstall the trunk cover, I'd like to wait on that one, it's going to be a desperation measure

What about using a jack screw to push it from the top? I am torn between that being a great or a totally harebrained idea.
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