[Public-List] Mufflers

[John Birch]

I believe they are soldered together, so it is important not to rotate the 
exhaust tube relative to the muffler, going into the exhaust flange. If you 
do it will leak, but the fix is cheap. Use non acid solder head and 
re-solder.

I have the same set-up on the A-37 as on our old A-30. It is an excellent 
system.

One thing I did was to use a bronze elbow coming off the manifold. You can 
use an iron one if you prefer, but do not use a galvanized one as the heat 
will off-gas the galv (which is toxic).

Best

John


----- Original Message ----- 
From: <mahseer at kos.net>
To: "Alberg 30 Public List -- open to all" <public-list at lists.alberg30.org>
Sent: Saturday, November 27, 2010 8:24 AM
Subject: Re: [Public-List] Mufflers


> Stephen
>
> If your standpipe is like mine the bronze pipe is internal and the end
> plates also bronze, the outer shell is good old 3in copper drain pipe.  My
> muffler also weeped  at the lower end plate and copper pipe.  a good
> acetalyne welder should be able to repair/replace the shell.
>
> John Boor
> MAHSEER #380
>> Hi,
>>
>> I probably need to replace the bronze standpipe muffler attached
>> to the back of my Atomic 4. It works, but it weeps. I was quoted
>> 800$ for a new one made of stainless steel.
>>
>> I've looked at the diagram here:
>> http://alberg30.org/maintenance/MechanicalPropulsion/Exhaust/
>> which tells me how to get the exhaust and water into the port
>> locker. This is all fine.
>>
>> I've also looked at the diagram here:
>> http://www.westmarine.com/webapp/wcs/stores/servlet/WestAdvisorView?page=Exhaust-System-Basics
>> which tells how to get the exhaust/water over the side.
>>
>> But I need a few more details:
>> Where exactly does the muffler sit in the locker?
>> How is it attached to the boat?
>> What brand/model of muffler?
>> Is there enough clearance in the locker to keep
>> the anti-siphon loop above the waterline?
>>
>> Does anybody have any thoughts, diagrams or photos?
>>
>> Thanks,
>>
>> Stephen Gwyn,
>> Quasar #495
>>
>> ------------------------------------------------------------------
>>   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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