[Public-List] cutlass housing replacement

Mike Lehman mlehman at gmail.com
Sat Jan 23 15:19:59 PST 2021


To use a technical term...they f'd up.

Mike Lehman
~~~_/)_/)~~_/)~~~




On Sat, Jan 23, 2021, 3:41 PM americo silva via Public-List <
public-list at lists.alberg30.org> wrote:

> Im wondering why they cut into the threads in the first place
>
> On Thu., Jan. 21, 2021, 11:59 p.m. George Dinwiddie via Public-List, <
> public-list at lists.alberg30.org> wrote:
>
> > In my experience, it’s easier to seal the threads than the tube to the
> > hull. I suspect that if the threads weren’t sealed, my boat would have
> sunk
> > before I noticed that the stern tube had rotated since I had replaced the
> > hose clamps. (The clamp screws were somewhat inaccessible.)
> >
> > George
> >
> > Sent from a primitive pocket computer. Please assume all errors are due
> to
> > that.
> >
> > > On Jan 21, 2021, at 18:47, Clay Pass via Public-List <
> > public-list at lists.alberg30.org> wrote:
> > >
> > > 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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