[Public-List] Standpipe exhaust

[George Dinwiddie]

If the joint leaks, it'll dump into the bilge, not the cylinder.  The 
center pipe is continuous.  Also, the old ones had a drain valve to 
drain the water out for the winter.

  - George

Peter Amos wrote:
> I had one of these on my previous boat.It was an incredibly heavy
> weight on the exhaust manifold,it leaked from a weld,out of sight
> ,and corroded an engine mount.I saw a diagram in one of Calders
> maintenance books and it looked to me that it always had water in
> it.If an interior weld leaks I think it would dump water into the
> cylinders
> 
> Pete #166
>  
>> Date: Tue, 15 Dec 2009 09:50:00 -0800
>> From: gwyn at beluga.phys.uvic.ca
>> To: public-list at lists.alberg30.org
>> Subject: [Public-List] Standpipe exhaust
>>
>>
>> Hi,
>>
>> I just had mine refurbished. It was leaking and something inside
>> was rattling. I didn't actually see the pipe disassembled, but 
>> the guy made some drawings which I've reproduced and put
>> on the web at:
>> http://astrowww.phys.uvic.ca/~gwyn/pers/sailing/standpipe.gif
>> The drawing is a bit crude, and not to scale, but it gives
>> you the idea.
>>
>> The rattle was caused by the deflector cap coming loose,
>> which is what is described in the last paragraph of:
>> http://www.alberg30.org/maintenance/MechanicalPropulsion/Exhaust/standpipe.html
>> It was resoldered in place. It wasn't possible to get the top
>> cap off by melting the original solder, so it was cut off and
>> then resoldered with silver solder.
>>
>> The guy who did this (Townside Auto in Victoria BC) said the
>> pipe was copper, not bronze. He figured that to make a new one
>> would require 200$ worth of copper parts plus 3 hours shop time.
>>
>> Stephen Gwyn
>> #495 Quasar
>>
>>
>>
>>
>>
>> ------------------------------------------------------------------
>> Stephen Gwyn | Tel: 1-250-363-3136
>> Dept. of Physics & Astronomy | Fax: 1-250-363-0045
>> Univ. of Victoria | Cell: 1-250-885-6969
>> PO Box 3055 | E-mail: gwyn at uvastro.phys.uvic.ca
>> Victoria, BC V8W 3P6 | http://orca.phys.uvic.ca/~gwyn
>> ------------------------------------------------------------------
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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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