[Public-list] Mufflers

Bill Burke BurkeNH at verizon.net
Thu Aug 3 07:55:14 PDT 2006


Oops, you squared the Pi and not the radius...  divide those numbers by 3.14 
to get the correct values...   but you're covered by your disclaimer!  You 
only need a capacity of about half a gallon given your half full hose 
scenario.

Bill Burke
OSPREY #116

> ------------------------------
>
> Message: 3
> Date: Wed, 2 Aug 2006 11:56:31 -0400
> From: "Roger L Kingsland" <r.kingsland at ksba.com>
> Subject: Re: [Public-list] Mufflers
> To: "Alberg 30 Public List -- open to all" <public-list at alberg30.org>
> Message-ID: <04ef01c6b64c$396f19f0$af00a8c0 at office.ksba>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> reply-type=original
>
> Bill,
>
> One thing I recall when investigating my exhaust system is one 
> manufacturer
> recommended that the capacity of the water lift (muffler) be large enough 
> to
> hold the amount of water that drains back (down) from the exhaust hose
> leaving the water lift.  I guess that's better than having it back up into
> the exhaust manifold.
>
> They suggested assuming the hose is half full of water; so, if you have a 
> 2
> inch hose, half the volume per linear inch is about 5 cubic inches (1 inch
> radius x 3.14159 squared / 2).  If the part of the hose that drains back 
> to
> the water lift is 6 feet, the water lift should have a minimum capacity of
> 355 cubic inches or, at 0.004329 gallons per cubic inch; drum roll please,
> 1.54 gallons.  Please note, I am not an engineer (but I played one in my
> high school play 36 years ago) so you will need to confirm for yourself if
> any of this stuff makes sense.
>
> Roger
>
> ----- Original Message ----- 
> From: "Bill Newman" <newman423 at sympatico.ca>
> To: "Alberg 30 List" <public-list at alberg30.org>
> Sent: Wednesday, August 02, 2006 11:02 AM
> Subject: [Public-list] Mufflers
>
>
>> It's about time to replace the muffler system on #233's Atomic 4.  I am
>> wondering what the list member's recommendations are for replacement.
>>
>> Bill Newman
>> Marion Rose III, #233
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