[Public-list] exhaust system

[Mike Lehman]

I not entirely sure - I think the vented loop would be at the highest point 
in the water line which would prevent the water from siphoning back into the 
engine.



Mike Lehman
"Gilleleje" #505

~~~_/)_/) ~_/) ~~





----Original Message Follows----
From: "Roger L. Kingsland" <rkingsland101 at ksba.com>
Reply-To: Alberg 30 Public List -- open to all <public-list at alberg30.org>
To: "Alberg 30 Public List -- open to all" <public-list at alberg30.org>
Subject: Re: [Public-list] exhaust system
Date: Tue, 27 Apr 2004 11:20:42 -0400

Mike,

That's just what I was looking for, thanks very much.  If I were to install
a "vented loop," how would it work?

Roger

Roger L. Kingsland, AIA
Managing Partner
Kingsland Scott Bauer Associates (KSBA)
N40° 27' 49"  W79° 57' 59"
3441 Butler Street
Pittsburgh, PA 15201
www.ksba.com

1(412) 252-1500 X101 - Office & Voice Mail
1(412) 779-5101 - Mobile (no voice mail)
1(412) 252-1510 - Fax


----- Original Message -----
From: "Mike Lehman" <sail_505 at hotmail.com>
To: <public-list at alberg30.org>
Sent: Tuesday, April 27, 2004 10:48 AM
Subject: Re: [Public-list] exhaust system


 > Roger,
 >
 > Check out how many boats have made this replacement at:
 >
 > http://alberg30.org/maintenance/MechanicalPropulsion/Exhaust/
 >
 > This pipe arrangement bolts directly to the engine. You eliminate the hot
 > insulated pipe running all the way to the lazarette because it is 
replaced
 > with rubber USCG exhaust hose. The water injection comes in right at the
 > engine pipes. The big black muffler is replaced by a Vetus plastic 
muffler
 > mounted over and behind the drive shaft. You eliminate everything in the
 > lazarette except for the single exhaust hose to thru-hull fitting. Many
 > boats have been surveyed with this exhaust arragement and never been
 > required to have a vented loop installed, although I believe it is on the
 > "recommended" list. The pipe can be black iron; galvanized; or bronze. 
The
 > isurance guy will insist that it is wrapped with fglass tape, which is 
not
a
 > bad idea to prevent burns, shortens pipe life though. Mine is bronze and
is
 > 10 years old, never had a problem with back flooding water.
 >
 >
 >
 > Mike Lehman
 > "Gilleleje" #505
 >
 > ~~~_/)_/) ~_/) ~~
 >
 >
 >
 >
 >
 > ----Original Message Follows----
 > From: "Roger L. Kingsland" <rkingsland101 at ksba.com>
 > Reply-To: Alberg 30 Public List -- open to all <public-list at alberg30.org>
 > To: "Alberg 30 Public List -- open to all" <public-list at alberg30.org>
 > Subject: Re: [Public-list] exhaust system
 > Date: Tue, 27 Apr 2004 10:32:13 -0400
 >
 >
 >
 > My bad, critical word in last sentence should have been "OR" not "of."  
It
 > is fixed below; please disregard last and replace w/ this.
 >
 > Roger
 >
 >  > Albergers,
 >  >
 >  > My insurance surveyor said I need to "Install a vented loop in the
 > exhaust
 > raw water injection hose.  Locate the vented loop as high as possible."  
I
 > have a Universal diesel with an insulated pipe running aft to the lower
 > forward end of the Lazarette where it turns up and joins with the cooling
 > water just below deck level; then, it goes through the big black cylinder
 > (technical name; cylindercus darkus which I assume is a muffler) near the
 > low point of the Lazarette and out.
 >  >
 >  > I figure I can do a vent at the high point in the Lazarette but don't
 > know
 > why it is needed (something to do w/ backflow prevention?).  Also, is it
 > necessary to have cylindercus darcus in the lazarette or can I move it to
 > the engine compartment (and shorten the rigid insulated pipe)?  Is
backflow
 > prevention a function of the vertical dimension between the cylinder and
the
 > high point of the exhaust OR the high point of the exhaust and the 
engine?
 >  >
 >  > Any feedback would be greatly appreciated.
 >  >
 >  > Thanks,
 >  >
 >  > Roger
 >  >
 >  > Roger Kingsland
 >  > Chief Financial Officer (AKA, check writer)
 >  > PERFECT intentions, A30 #148
 >  > N40°  29.288'
 >  > W79°  54.228'
 >  >
 >  > Author's Disclaimer; This email was produced exclusively by the sender
 > and, in the interest of expediency, without the benefit of editing by
 > others.  The sender, thank goodness, is a much better architect/sailor
than
 > speller/editor and, frankly, constantly laments an obvious flaw in "spell
 > check," it does not know what the author is thinking.  Please accept the
 > sender's sincere apologies for any "typos" that may appear in this
document.
 > If present, they are certainly unintended and hopefully do not cloud the
 > message, or spawn any unnecessary lawsuits.
 >  > _______________________________________________
 >  > Public-list mailing list
 >  > Public-list at alberg30.org
 >  > http://alberg30.org/mailman/listinfo/public-list
 >  >
 >
 >
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