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Old 15-05-2012, 22:37   #31
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Re: Another Lousy Day in Paradise - and Then -

Guyee Wish we were out there to help !love doing spars and masts, Doug fir like your useing is worth it's weight in gold, so nice to work with. When Connie and I sold out and moved out of North Cali we sold all our Doug fir to a local boat bilder!Hate to but needed the money for the trip thru the canal to Louisiana. Heres luck to ya ! and I know you will love your new mast when done.
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Old 15-05-2012, 23:24   #32
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Re: Another Lousy Day in Paradise - and Then -

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Sealing everything in epoxy is not a good idea. Wood is better left open to air and kept dry. So, you seal and paint/varnish the exterior and leave the inside alone but keep out the water. Sealing completely leads to dry rot - look what happens to bulkheads, engine stringers, plywood encapsulated hulls, decks, etc. when completely glassed over. Water finds it's way in and rot starts.
I also spent a few years as a pile buck/dock builder/commercial diver and you are right - piling rots off at the intertidal area and is eaten away by marine organisms at the mud line but piling below the mud line is as good as the day it was driven. Same goes with sunken vessels - the lower the o2 content, the longer they last. I believe that a hollow wooden mast if completely sealed from the outside environment and charged internally with co2 or argon would last forever if the outside finish was kept up but this is hardly practical in the real world.
The reality is that no mater what I replace my mast with, it will outlast me - unless I let the wind tear it off again!LOL!!
You could get fancy and install a solar fan inside to keep the air moving.
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Old 16-05-2012, 07:51   #33
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Re: Another Lousy Day in Paradise - and Then -

my problem is a support beam that had decent ventilation but had rain ingress into it --still rotting--we gonna soak it with penetrating epoxy until there is no more untreated wood, then add a sister, if needed for strength. it wont be a problem for many decades after, methinks, as we also are making new mast boots and wedges.
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Old 16-05-2012, 18:50   #34
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Re: Another Lousy Day in Paradise - and Then -

Zeehag, I'd soak it in wood preservative 1st to kill the fungus that is working on the cellulose below the wood surface
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Old 16-05-2012, 18:53   #35
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Re: Another Lousy Day in Paradise - and Then -

ty--am dealing with it tomorrow with my wood man.....we see what he wants to do . i know it NEEDS attention--is our next biggie on board....gotta keep bubba safe.
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Old 16-05-2012, 19:00   #36
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Re: Another Lousy Day in Paradise - and Then -

Saturating with penetrating epoxy WILL NOT STOP THE ROT I DONT CARE WHAT ANYONE TELLS YOU!!!!
The only way to stop rot is to treat with chemicals that will kill the fungi/organisms that cause rot. There are treatments out there that work - ethylene glycol is one - that's right - antifreeze.
Dry out the wood as best you can and soak with glycol - let it dry and then do your epoxy treatment. This is a long drawn out procedure but it works.
You can read all about it on line but I cant remember where to send you.
As a shipwright in the past, I have replaced more rot that was impregnated with git - rot to no avail. It's a waste of money, not structurally sound and doesnt cure anything except your piece of mind (false sense of security)
Once the wood fibers are in the wet or dry stage of rot - it's too late to stop it by injecting get-rot (or any other brand of magic cure all) The microbiology that IS rot has to be killed first. Difficult problem - given that once the tree dies, it begins to rot!
You will be miles ahead of the game to get the rotten wood out of the boat instead of covering it up - nobody wants to hear that but that's life in the big city.
Hell, every boat I've ever had has had rot some where! I'm on #8. I was looking for a glass boat once but thought, why ruin a perfect record!
Don't sweat the small stuff Zee - I think we're about the same age and our boats are going to outlast us!
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Old 16-05-2012, 19:22   #37
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Re: Another Lousy Day in Paradise - and Then -

idea,Zeehag...antifreeze is a cheap rot stopper Google told me about. You can use the safer stuff but don't let kitty lick it whatever.
Too bad (Geoduck) you couldn't just stick a shaped fir pole in and be done with it. If you cut a groove for the wiring, it might relieve checking, I've heard...and seen but haven't tried
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Old 16-05-2012, 19:52   #38
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Re: Another Lousy Day in Paradise - and Then -

will see tomorrow what the wood man decides--i will suggest the anti freeze....will peruse tomorrow in daylight and fix however it needs.
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Old 16-05-2012, 22:30   #39
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Re: Another Lousy Day in Paradise - and Then -

There are plenty of "wood mans" that know about bora, worms, dry rot etc but nothing about fungus. If he doesn't recommend fungicide then abandon him or the ship! I'm with Geoduck.
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Old 17-05-2012, 00:38   #40
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Re: Another Lousy Day in Paradise - and Then -

Good luck getting her fixed up. Your positive attitude, is well inspiring. I hope I can emulate the next time fate kicks me in the arse!
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Old 17-05-2012, 07:31   #41
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Re: Another Lousy Day in Paradise - and Then -

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when completely glassed over. Water finds it's way in and rot starts.
Do not want to ruffle you too much (suppose to be good for the heart a bit of ruffle) but if the water finds its way in, then it is not completely glassed over.
Epoxy, not glass, works well in the tropics to stop water getting in.
Make sure the drain holes can not get clogged.
I bet next time you will be looking for trains.
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Old 17-05-2012, 07:41   #42
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Re: Another Lousy Day in Paradise - and Then -

chala--my problem causing my dry rot problem was the mast boots--the beginning of my adventures in pair a dice--had to repalce the ORIGINAL 1976 mast boots--eewww--they were oilskin, and that is foogly when so old.... in order to fix the rest--after this is done, i should be able to remain afloat for a long time, even under sail.....
geoduck--ty for info--will definitely be figgering out the problem at source. i hope your new mast is gonna be awesome and perfect.
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Old 17-05-2012, 08:12   #43
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Re: Another Lousy Day in Paradise - and Then -

Well' it'll be a damn sight better than the one that blew up, that's for sure!
For the life of me, I cant figure why anyone would build a mast out of mahogany unless that's all they had to build it with. But - it did last a long time!
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Old 17-05-2012, 08:17   #44
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Re: Another Lousy Day in Paradise - and Then -

mahogany is pretty...not durable enough for longevity, as you found out the hard way--but gorgeous when varnished....awesome for a show boat.
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Old 17-05-2012, 08:40   #45
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Re: Another Lousy Day in Paradise - and Then -

Yeah - when I bought the boat, I had no idea the spars were mahogany because they were painted - I'd have bought the boat anyway!
Here is a web site that you will enjoy about treating rot with antifreeze and boric acid, etc.
go to- angelfire.com/nc3/davcarnell/rot.html
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