[Public-List] loose casting on propeller shaft at end of keel

[George Dinwiddie]

Peter,

That sounds fine.  Turning the stern tube, itself, would be worrisome. 
There's a lot of caulk holding it in place, and keeping the water out. 
I think it takes a couple tubes to recaulk that.

  - George

Peter Milley wrote:
> Hi George,
> I believe I broke the seal of the cast part or cutlass housing. If you have
> some concerns please share them. Here is an account of what I did;
> Most of the calking that formed the gasket between the surface of the hull
> to casting had worn away leaving a space on the lower side of about 24
> thousands of an inch. After removing the bolts I rotated the casting a
> quarter turn clockwise, cleaned the hull surface of old calking that
> remained, re-calked the surface then re-turned the casting to its original
> position. Once back in position I ran additional 1/16 beads of 4200 around
> the casting, and with my finger worked them into the gasket area as if I was
> packing a bearing. I then cleaned off the surface of the hull of any excess
> 4200 and allowed this to set up. Once this set up I could no longer rotate
> the casting a quarter of a turn as it had solidly gripped the hull. I next
> epoxyed the two holes. After the resin had set up I drilled pilot holes and
> re-tapped new threads. The bolts gripped nicely in the new threads.
> Peter
> 
> 
> -----Original Message-----
> From: public-list-bounces at lists.alberg30.org
> [mailto:public-list-bounces at lists.alberg30.org] On Behalf Of George
> Dinwiddie
> Sent: July 26, 2009 9:09 PM
> To: Alberg 30 Public List -- open to all
> Subject: Re: [Public-List] loose casting on propeller shaft at end of keel
> 
> Peter Milley wrote:
>> First thing this morning I cleaned out then epoxyed the two holes and ran
> a
>> new bead of 4200 around the joint after having consulted with George
>> Dinwiddie last evening. I had given the shaft assembly a 1/4 turn with the
>> bolts out breaking the seal so the 4200 should re-bed the joint nicely.
> 
> Peter, did you break the seal of the cutless housing (the cast part) or 
> the stern tube (a bronze pipe)?
> 
>   - George
> 


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