[Public-List] cutlass housing replacement

[Clay Pass]

I thought in prior discussions we had agreed that water within (inside) the
stern tube was captured by the stuffing box/packing nut on the other end
from entering the boat.  Water that leaks through the threads at the
cutlass housing to the outside of the tube will be stopped from entering
the boat by the complete seal of the stern tube to the hull (outside of the
tube to thru hole in hull) and also the seal of the cutlass bearing housing
to the hull.  In any case, I had a housing scored just like this and had no
issues with it after caulking the whole interface with 3M 4000 and I
believe I caulked the threads with the same just for good measure.  As long
as you can screw the housing on the stern tube without it turning or
breaking the seal and also use plenty of caulk to seal the
housing/hull/stern tube interface, you should not have any issues.  I
haven't had any with mine.

Clay
#449 Seeing Deep

On Sun, Jan 17, 2021 at 1:36 PM Greg Wallis via Public-List <
public-list at lists.alberg30.org> wrote:

> Hi,
>
> I am in process of replacing the cutlass bearing,
>
> Here's a link to my poor cutlass bearing housing.  Notice the ruined pipe
> threads.
> https://drive.google.com/file/d/198AJ_rMD7Lx8QrdksGXhIbeRR6_FPS9t/view
>
> I took the cutlass bearing housing to a shop to have the new bearing
> pressed in, and they proceeded to overcut the old bearing and cut two deep
> groves lengthwise through the female pipe threads of the cutlass housing.
> These threads connect the cutlass bearing housing to the stern tube.  So
> now the threads are not going to be watertight.  I think that the threads
> will still function, but they will most certainly leak.
>
> I am hoping somebody has an identical alberg30 cutlass bearing housing that
> they'd be willing to sell to me.  This would be the best.
>
> If I can't find another one, I am considering to allow this fitting to leak
> between the stern tube and the cutlass bearing housing.  I think I'd just
> need to ensure that there is plenty of sealant around the outside of stern
> tube where it exits the hull.  I guess some water would accumulate in that
> space and wouldn't really have anywhere to go.
>
> I would also put a generous layer of sealant on the threads themselves, to
> hopefully prevent it from leaking at all.   Doing this is going to make it
> very difficult to remove the cutlass bearing housing in the future.
>
> If you have any suggestions or tricks to make these threads watertight
> again, please do let me know.  How about a thread sealant that would solve
> this problem and still be possible to unscrew in the future?
>
> Ideally though, if you have a cutlass bearing housing you'd be willing to
> part with, please let me know!
>
> Thanks
> Greg
> hull #165
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