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Go Back   SailNet Community > On Board > Gear & Maintenance > Shaft Through-hull Leak
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Thread: Shaft Through-hull Leak Reply to Thread
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Topic Review (Newest First)
06-21-2013 01:38 PM
Alex W
Re: Shaft Through-hull Leak

I responded with the photo link on the p28forum, since you have to be a member to see it (and I saw your question there first).

Fisheries Supply can get the B/A part.
06-21-2013 01:29 PM
ahalfon
Re: Shaft Through-hull Leak

Thanks for the tip!

Sorry about the double post... user error
06-21-2013 01:28 PM
ahalfon
Re: Shaft Through-hull Leak

Great to meet another p28-2 owner!

Mine is the shoal draft version, which may have a different log arrangement.
It's out of the water now, and looking from the outside confirms it's a through-hull.

It looks original, but as you said the gobs of sealant suggest a bad repair by a PO..
I'm going to replace it altogether, and am trying to find the right part.. any help would be greatly appreciated.

Could you also please post a link to that image on the p28forum (I'm also a member)
Thanks!

Amir
06-21-2013 08:39 AM
jameswilson29
Re: Shaft Through-hull Leak

Hamilton Marine sells Buck Algonquin. Perhaps you could build your own fiberglass shaft log and install in its place.
06-21-2013 07:54 AM
ahalfon
Re: Shaft Through-hull Leak

Nice to see another P28-2 owner!

Mine is the shoal draft version, and the hull design suggests the through hull is original, though you're absolutely right that the gobs of sealant suggest a bad repair by a PO...

The boat's out of the water now, and looking from the outside confirmed that this was indeed a through-hull style log. Now the question is where to find a new one.
Online I only saw buckalgonquin, but they don't sell direct.. If you where it might be available it'd be terrific.

Also, could you please share the p28forum image url (I'm also on that group)

Thanks!
06-20-2013 02:12 PM
Alex W
Re: Shaft Through-hull Leak

I thought I remembered my shaft log being fiberglass, but a quick look on the p28forum photos showed another using a brass through hole.

I will be at my boat later on today and can look at the stuffing box to remind myself of how it is setup.

Either way it sounds like hauling and close inspection are going to be necessary. You have way too much caulk there, that is always a bad sign to me.
06-20-2013 02:08 PM
ahalfon
Re: Shaft Through-hull Leak

Here's what I think might be under all that sealant:

http://catalog.buckalgonquin.com/vie...logs-log-only?
06-20-2013 01:59 PM
ahalfon
Re: Shaft Through-hull Leak

You're spot on - I caught a line in the prop about a year an half ago, which probably has something to do with this. (Although the gobs of caulk were there since I got the boat 10 years ago, perhaps concealing an earlier failure.)

I'm certainly haling out and dealing with this now - just trying to get a sense of the proper way to fix this, and also find out where to get the parts.
The arrangement on the 28-2 is very different than the 28-1, and resembles a thourg-hull, though that may be wishful thinking on my part If anyone has an image of what it looks like outside the boat that would be tremendous!

I've already replaced the original stuffing box with a LasDrop Dry Seal a few years back, so am familiar with the process of removing the coupling, etc.
I don't know anything about the shaft log though, and it'd be great to find out more before starting the project (I'm using a mechanic but would still like to know as much as I can).
Thanks!

Amir
06-20-2013 12:50 PM
jameswilson29
Re: Shaft Through-hull Leak

You have a Pearson 28-2 with a stuffing box attached to the shaft log, with 10 lbs. of caulk around it.

Here is what the shaft log on a Pearson 28-1 looks like: SailNet Community - jameswilson29's Album: Winter repairs: replace stuffing box hose (See photo 12 of 21).

It looks as if someone improperly addressed a mismatch between the shaft log and the stuffing box by caulking the area or tried to stop a leak from the shaft log with caulk.

I would pull the boat, disconnect the coupling from the transmission, remove the coupling from the propeller shaft, remove the stuffing box, pull the prop shaft, remove all the caulking and thoroughly examine the shaft log and your stuffing box.

A failure in that area can lead to a very fast sinking boat. Pearsons are generally well-built boats. I doubt a failure developed there from normal usage, vibration, friction or some other normal wear and tear. I would not be surprised to learn that some extreme lateral force was applied to the propeller shaft, either through an impact in the water or a fall on the hard, and one of the POs or a sloppy mechanic simply replaced the bent shaft and stuffing box instead of properly repairing the shaft log.
06-20-2013 12:32 PM
ahalfon
Re: Shaft Through-hull Leak

Sorry about the long delay. I had to go out of town (only to find things in much worse condition when I got back...)

The leak is coming from the area that the light is falling on right below the log:


And here is a close-up:


I'm getting ready to haul out the boat, but would like to get a better sense of the extent of the job beforehand. Looking at the log, it almost seems like a through-hull rather than the typical glassed-in arrangement. Can that actually be the case? If not, how extensive is the replacement job?

Thanks!
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