[Public-List] Stern tube

Wes Gardner via Public-List public-list at lists.alberg30.org
Mon Jun 13 08:14:49 PDT 2016


Hey All,

Also a general question...the stern tubes I installed on other boats were
glass tubes and were glassed in....is this something not done on our
boats???

Wes

On Mon, Jun 13, 2016 at 11:12 AM, Wes Gardner <wesgardner1952 at gmail.com>
wrote:

> Hey All,
>
> Just from knowledge of cutlass bearings on other boats, 2" seems awfully
> short.  Perhaps this is something a PO did incorrectly???  I have cut them
> down in the past, but not that much...other folks should know what is
> specific to our boats.
>
> Wes
>
> On Mon, Jun 13, 2016 at 9:46 AM, Greg Bover via Public-List <
> public-list at lists.alberg30.org> wrote:
>
>> Thanks, Don, very helpful. Fortunately, maybe, there is no dolphite in
>> evidence, I think the PO went through that in 2009. What is around the
>> tube
>> is apparently 4200, as it is still somewhat pliable. It may be the same
>> procedure though.
>>
>> I am still looking for a source for the new bearing. Everything I see
>> online
>> is 3 1/2" long whereas what I measure is 2".
>> Any suggestions?
>>
>> Greg Bover
>> #114
>> Gloucester
>>
>> -----Original Message-----
>> From: Don Campbell [mailto:dk.campbell at xplornet.ca]
>> Sent: Saturday, June 11, 2016 10:58 PM
>> To: Greg Bover <gregbover at cbfisk.com>; Alberg 30 Public List -- open to
>> all
>> <public-list at lists.alberg30.org>
>> Subject: Re: [Public-List] Stern tube
>>
>> Hi Greg:
>>     You have yourself quite a job. The only way to seal that tube well is
>> to
>>
>> remove all of the dolfinite that was the seal and that means getting in to
>> the back of the shaft area and scraping all you can of it out, Then you
>> could take a wire brush on a drill to rough it up and get more out, and
>> then
>>
>> it is the solvents. Be careful of inhaling whatever you use. use extra
>> ventilation. Once it is clean as a whistle, you can reinstall the tube and
>> the bracket on the exterior that holds the bearing. I used most of a tube
>> of
>>
>> 5200 to seal things because I did not want to have to go through the
>> process
>>
>> again and I put some on the join and then let it start to harden before
>> adding more. The toughest part is under the tube, but access and care will
>> suffice. That was about 10 years ago now and I still have a dry seal
>> between
>>
>> the tube and the water outside. IT IS A BIG CHORE TO DO IT WELL.  Any
>> dolfinite in the way means you will have a leak.  I also had the motor out
>> at the time so had better access., but for me to take out the motor and
>> get
>> it back in is about a 3 1/2 hour job, which is not bad in the scheme of
>> things.
>>     My feeling is that you will have a constant leak here unless you get a
>> good seal and the only way to do that is to have things really clean.
>> Don
>>
>> -----Original Message-----
>> From: Greg Bover via Public-List
>> Sent: Saturday, June 11, 2016 7:00 PM
>> To: List A-30
>> Subject: [Public-List] Stern tube
>>
>> Test fired the Yanmar this morning prior to next weeks scheduled launch
>> when
>>
>> I put it in gear by mistake it rumbled and rattled unusually. I found the
>> shaft to be loose in the cutless bearing. Three hours later after making a
>> prop puller I got the bearing out but when I tried to unscrew it from the
>> stern tube the tube came part way out with it. What do I need to do to
>> seal
>> it when it goes back together?
>> Also all the cutless bearings of the right od and id seem to be 3 1/2"
>> long
>> whereas mine is just over 2". Does one just cut to length?
>> Thanks to George for the good info on the website. And thanks to all you
>> all
>>
>> for your advice.
>> Greg Bover
>> #114 Pensive Flyer
>> Gloucester
>>
>> Sent from my iPhone
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>
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