[Public-List] Standpipe exhaust

[Peter Amos]

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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