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post #1 of 18 Old 02-26-2010 Thread Starter
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Mast drain (or lack thereof!)

I was investigating a leak at the partners of my Yankee 30 an discovered that the keel stepped mast is not draining. In fact, I have water up to the hole in shown in the picture (about 4 inches above the step)! I had always assumed it was draining into the bilge. I have little access and no visibility to the rear of the mast. I don't see/feel any openings in the step that seem to be plugged. Thoughts?
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Mast step 3.jpg   Mast step 2.jpg  

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post #2 of 18 Old 02-26-2010
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Is this the mast step inside the cabin or the partners on the deck? hard to tell from the photo. If it is the step inside the cabin—why not drill a hole for the water to drain out of.

Use a turkey baster or something similar to drain the interior of the mast completely and after it is dry do the following. Start by filling the interior of the mast with thickened epoxy to the level of the proposed drain hole, with it sloping upwards across the mast so that all the water drains and would drill the hole just above the level of the black piece.

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post #3 of 18 Old 02-26-2010
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Had a similar experience. My mast is deck stepped, and the lowest opening was 2" up from the base. I would occasionaly squeeze in a sponge to try to keep it dry. When I had the mast rebuilt, the corrosion inside was significant. It was then reinforced, and proper drain openings cut. Depending on the age and corrosion (looks like you may have enough room for a small mirror and light) SD's suggestion may be fine. Mine was a bit too far gone and necessitated welding.
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post #4 of 18 Old 02-26-2010
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I think if it were mine, I would just take a cordless drill, maybe a right angle drill and punch a 3/8" hole as close as possible to the level of the bottom of the extrusion. It looks like you have room to work if I'm seeing the pictures right.
Frankly I'm surprised that there aren't limber holes somewhere already. Have you checked all around the step for a small hole?



Looking at the picture above, I can see a bunch of spot of Spartite. It looks as though it leaked when it was first applied. The clay dam wasn't made properly and that's probably the reason for the leak.

Last edited by knothead; 02-26-2010 at 02:10 PM.
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post #5 of 18 Old 02-26-2010 Thread Starter
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Quote:
Originally Posted by sailingdog View Post
Is this the mast step inside the cabin or the partners on the deck? hard to tell from the photo. If it is the step inside the cabin—why not drill a hole for the water to drain out of.

Use a turkey baster or something similar to drain the interior of the mast completely and after it is dry do the following. Start by filling the interior of the mast with thickened epoxy to the level of the proposed drain hole, with it sloping upwards across the mast so that all the water drains and would drill the hole just above the level of the black piece.
It's keel stepped (I edited the post to reflect that fact, thanks). Could S&S actually have designed a mast without a drain? The thought never even occurred to me! I assume the epoxy project would be performed with the stick pulled? With as much water as this mast has been storing, I guess I need to have a look anyway.
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post #6 of 18 Old 02-26-2010 Thread Starter
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Quote:
Originally Posted by knothead View Post
Looking at the picture above, I can see a bunch of spot of Spartite. It looks as though it leaked when it was first applied. The clay dam wasn't made properly and that's probably the reason for the leak.
I was hoping one one would notice . No...that's a whole different, funny (now) and expensive story! I thought about telling it in the other thread regarding the leak. Maybe I will. As I mentioned there, due to the construction of the partners, the application of Spartite was problematic. The (final ) application of Spartite was performed correctly. Anyway, back to this swimming pool I call a mast!
Update: Told the story here:
How NOT to install Spartite!

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post #7 of 18 Old 02-26-2010
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L124C—

Just because S&S designed the mast with a drain doesn't mean that it was made with one... there are often a lot of things a designer would like but the manufacturer won't do for expense reasons...

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post #8 of 18 Old 02-26-2010
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Quote:
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I think if it were mine, I would just take a cordless drill, maybe a right angle drill and punch a 3/8" hole as close as possible to the level of the bottom of the extrusion.
I am about to do the same. I cant clear the hole at the foot of the mast at the track side. The foot / hole gets clogged up with bits of line (new version of baggywrinkle) and dirt.


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post #9 of 18 Old 02-26-2010
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So you are saying that there was a limber hole and it just got plugged up?
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post #10 of 18 Old 02-26-2010
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Here is a photo of a mast riser added to a Pearson 28. Hard to tell for sure, but from the 2nd photo, it looks to me like the original didn't have a drain hole.




Photo credits go to "cptinm" on the P-28 yahoo group.

Best,
ChuckA
sailing a P28-1 Heart of Gold on Narragansett Bay

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