[Public-List] Cracked Stern Tube - Laugh or Cry?

[Hernán Scarnichia]

Gord,
yes that would have been another way to fix it.
probably easier.
at that time I didn't trust that a bolt threaded on epoxy could withstand
any shaft vibration.

On Tue, Sep 18, 2018 at 10:29 PM Gordon Laco via Public-List <
public-list at lists.alberg30.org> wrote:

> Hello Hernan
>
> Those bolts are normally threaded in as you describe.   They cannot be
> bolts through.  You can restore their integrity if you need to by filling
> the loose bolts hole with thickened epoxy, then redrilling and tapping new
> threads.
>
> Gord
> 426 Surprise
>
> Sent from my iPhone
>
> > On Sep 18, 2018, at 10:35 PM, George Dinwiddie via Public-List <
> public-list at lists.alberg30.org> wrote:
> >
> > Hernán,
> >
> > How did a fiberglass shaft log change the bolts of the cutless bearing
> housing?
> >
> > - George
> >
> >> On 9/18/18 1:30 PM, Hernán Scarnichia via Public-List wrote:
> >> The problem on my boat (#414) was that the two bolts holding the cutlass
> >> bearing housing were not through bolted, just threaded into the
> fiberglass,
> >> these were not lag bolts with a coarse thread either, just regular
> thread
> >> bolts threaded straight to the fiberglass. The shaft vibrations loosened
> >> them and one bolt was already gone when I hauled out.
> >> I suppose that if I had realized earlier that the engine was misaligned,
> >> and the shaft vibrating, it could all have been prevented.
> >> Either way I did not like the fact that all that was keeping the water
> out
> >> was those two bolts and a wad of caulk so I scrapped the whole thing and
> >> installed a fiberglass shaft log.
> >> On Mon, Sep 17, 2018 at 1:58 PM George Dinwiddie via Public-List <
> >> public-list at lists.alberg30.org> wrote:
> >>> On 9/17/18 5:36 PM, Jonathan Bresler via Public-List wrote:
> >>>> Remember hearing form various sources that cutlass bearings and the
> rest
> >>>> are tricky
> >>>> "cause the stern tube might turn or twist and break its bond to the
> >>>> deadwood".
> >>>> Seems that won't be a problem in this Triton given the amount of epoxy
> >>>> applied.
> >>>
> >>> This was my fear, and the reason I pulled and rebedded the stern tube
> >>> when I noticed that it had turned. The hose clamp screws were no longer
> >>> pointed up where a screwdriver could reach them.
> >>>
> >>> It turned out that this is an unnecessary worry. The water is contained
> >>> by the cutless bearing housing (and bolts), and the stuffing box. The
> >>> caulking of the stern tube itself is not critical.
> >>>
> >>>   - George
> >>>
> >>> --
> >>>
>  ----------------------------------------------------------------------
> >>>    When I remember bygone days                         George Dinwiddie
> >>>    I think how evening follows morn;
> gdinwiddie at alberg30.org
> >>>    So many I loved were not yet dead,
> http://www.Alberg30.org
> >>>    So many I love were not yet born.                          also see:
> >>>                 'The Middle' by Ogden Nash
> http://idiacomputing.com
> >>>
>  ----------------------------------------------------------------------
> >>>
> >>>
> >>>
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> > --
> > ----------------------------------------------------------------------
> >  When I remember bygone days                         George Dinwiddie
> >  I think how evening follows morn;            gdinwiddie at alberg30.org
> >  So many I loved were not yet dead,           http://www.Alberg30.org
> >  So many I love were not yet born.                          also see:
> >               'The Middle' by Ogden Nash     http://idiacomputing.com
> > ----------------------------------------------------------------------
> >
> >
> >
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