[Public-List] Season's Greetings and a question about stern tubes

[Bob Norway]

FWIW, I replaced my engine last summer, as well as the shaft, stuffing box
and coupler. My stern tube WAS threaded into the bearing housing. The
bearing housing itself had the lower bolt threaded into the fiberglass,
while the upper bolt went all the way through and had a locknut on it.
Unfortunately pictures of the project were NOT taken.

Cheers,
Bongo Bob Norway
S/V Beowulf #488
Manatee Cove Marina Website Webmaster
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~~~~~
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   V

-----Original Message-----
From: public-list-bounces at lists.alberg30.org
[mailto:public-list-bounces at lists.alberg30.org] On Behalf Of George
Dinwiddie
Sent: Wednesday, December 29, 2010 17:38
To: Alberg 30 Public List -- open to all
Subject: Re: [Public-List] Season's Greetings and a question about stern
tubes

Mel,

Your pictures are posted at 
http://alberg30.org/maintenance/disorganized/MelMartin-SternTube/

It's been years since I've pulled my cutless bearing housing, but I 
don't see the threads where the housing screws onto the stern tube.

The bolts on this housing, BTW, generally are just threaded into the 
fiberglass.

  - George

On 12/26/10 9:13 AM, Mel Martin wrote:
> Ahoy maties! Very best of the season to yez!
>
> So, engine and gas tank removed, I can now properly inspect the stuffing
> box, prop shaft and stern tube. All have suffered years of neglect. I'm
> having a new prop shaft machined because the old one is badly scored and
> corroded. With the prop shaft out of the way, i can see the inboard end
> of the stern tube, and it is not a pretty sight (see attached).
>
> It's clear that the upper bolt retaining the stern tube is badly
> corroded. The lower bolt is impossible to see - it's hidden behind and
> below a "lip" of GRP, but I'm pretty sure it's in as bad shape. The tube
> itself seems a little misshapen.
>
> Anyway, it looks to like I'll have to replace the stern tube bolts, at
> least and maybe replace the stern tube itself. I confess that I am
> little bit nervous about the whole thing because I've never done it
> before, and because I am concerned about a cascade of problems once I've
> done it.
>
> Have any of you ever removed/replaced a stern tube? How hard was it?
> What problems did you run into while doing it? What should I look out
> for? Any and all advice welcome and appreciated.
>
> best.
> mel
> Hull 452
>
>
>
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-- 
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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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