Francois,

 

When I replaced my muffler several years ago, I used a muffler with a 2"
outlet.  I ran 2" hose all the way to the transom and then used an adapter
to attach it to the exit fitting.  The boat sounds better now, but that
could be because of the fiberglass muffler instead of the original stainless
one.  I think either size would have worked, but I just felt better about
using larger hose.  I'm still limited by the size of the exit, but engine is
happy and that's all I care about.

 

Jake

 

From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of
Jean-Francois J Rivard
Sent: Thursday, August 22, 2013 5:17 PM
To: cnc-list@cnc-list.com
Cc: cnc-list@cnc-list.com; CnC-List
Subject: [SPAM]Re: Stus-List 1 1/2" ID Exhaust hose

 

Good afternoon gents, 

I'm the new kid on the block.  I purchased Steven Thorne's 34+ about 6 weeks
ago and my family an I are enjoying the boat tremendously.  I've also been
busy waxing and cleaning as well as fixing a bunch of little things that
needed attention.  

My question is :  Is it really such a bad idea to replace the original 1 1/2
ID exhaust hose with an identical hose?  (And not going to 2" as per the "
current school of thought" ) 

Prior to purchase, The surveyor noted hairline cracks at the loop before
discharge with some evidence of very minor leaks. I finally got around to
disconnecting it and wrestling it out of the boat.  It appears to be
original with and internal diameter of 1.5 inch and 12 feet in length. I
checked with my mechanic to see if he had one on hand and he scolded me for
even considering replacing it with another 1.5 inch diameter instead of the
"Prescribed" 2 inches stating that I was killing the engine with excessive
back pressure.  

The thing is:  This boat is clearly designed for a 1.5 inch hose. 

*        The stern discharge exhaust through hull is molded as an integral
part of the hull and is 1.5 inch in diameter.  ( I saw it during the survey
while the boat was out of the water).   
*        Also, there's no way a 2 inch diameter hose would fit between the
bottom of the fuel tank and the hull where it runs from the muffler to the
stern.  To get a 2 inch hose through you'd have to lift the tank and squeeze
it back in place while compressing the hose.   
*       There are no hard bends or kinks, it's a straight run to the loop
before the integrated hull discharge


The engine runs fine, the boat makes 7 knots at 2,800 rpm's or so and get up
to hull speed (about 7.5)  when you give it full throttle for while  so for
all appearances, it's making all the power it's supposed to make.  

All this after 23 years of "being killed" by back pressure.   

I might consider reworking the exhaust situation this winter when she's on
the hard for a bottom job but for now, there's no way I'm missing on
precious weekends on the lake with the family for a very remote possibility
of an issue with this.  

Am I taking such a risk?   

Thanks in advance, 

Francois Rivard
1990 C&C 34+  "Take Five"  




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From: cnc-list-requ...@cnc-list.com
To: cnc-list@cnc-list.com
Date: 08/22/2013 12:05 PM
Subject: CnC-List Digest, Vol 91, Issue 80
Sent by: "CnC-List" <cnc-list-boun...@cnc-list.com>

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Today's Topics:

  1. Re:  test (Andrew Burton)
  2. Re:  test (Rick Brass)
  3. Re:  test (Andrew Burton)
  4. Re:  test (Frederick G Street)


----------------------------------------------------------------------

Message: 1
Date: Thu, 22 Aug 2013 10:45:25 -0400
From: Andrew Burton <a.burton.sai...@gmail.com>
To: cnc-list@cnc-list.com
Subject: Re: Stus-List test
Message-ID:
<CAGAfpmZdQ64GCEZrcR_d=QWE=90ZX8+AKDYBm3m=batx2_8...@mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"

I think the number you're looking for is 42.
Andy


On Thu, Aug 22, 2013 at 10:29 AM, Della Barba, Joe
<joe.della.ba...@ssa.gov>wrote:

> 1****
>
> ** **
>
> _______________________________________________
> This List is provided by the C&C Photo Album
> http://www.cncphotoalbum.com
> CnC-List@cnc-list.com
>
>


-- 
Andrew Burton
61 W Narragansett Ave
Newport, RI
USA 02840
http://sites.google.com/site/andrewburtonyachtservices/
phone  +401 965 5260
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Message: 2
Date: Thu, 22 Aug 2013 10:58:39 -0400
From: "Rick Brass" <rickbr...@earthlink.net>
To: <cnc-list@cnc-list.com>
Subject: Re: Stus-List test
Message-ID: <00c101ce9f48$16bb2bf0$443183d0$@net>
Content-Type: text/plain; charset="us-ascii"

Good one, Andy.



Now the question in my curious geek mind is whether you've read the
Hitchhiker's Guide to the Universe, you know a lot about General Relativity,
or both?



Rick Brass



From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Andrew
Burton
Sent: Thursday, August 22, 2013 10:45 AM
To: cnc-list@cnc-list.com
Subject: Re: Stus-List test



I think the number you're looking for is 42.

Andy



On Thu, Aug 22, 2013 at 10:29 AM, Della Barba, Joe <joe.della.ba...@ssa.gov>
wrote:

1




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This List is provided by the C&C Photo Album
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CnC-List@cnc-list.com




-- 
Andrew Burton
61 W Narragansett Ave
Newport, RI
USA 02840
http://sites.google.com/site/andrewburtonyachtservices/
phone  +401 965 5260 

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Message: 3
Date: Thu, 22 Aug 2013 11:32:06 -0400
From: Andrew Burton <a.burton.sai...@gmail.com>
To: cnc-list@cnc-list.com
Subject: Re: Stus-List test
Message-ID:
<cagafpmydmocjfe3h8vjmavypdkbhkkdqchnjqnyldhhpeoy...@mail.gmail.com>
Content-Type: text/plain; charset="windows-1252"

The former. And google helped me find out what you are talking about with
the latter. Facinating! I wonder if Douglas Adams knew that?

Andy


On Thu, Aug 22, 2013 at 10:58 AM, Rick Brass <rickbr...@earthlink.net>wrote:

> Good one, Andy.****
>
> ** **
>
> Now the question in my curious geek mind is whether you?ve read the
> Hitchhiker?s Guide to the Universe, you know a lot about General
> Relativity, or both?****
>
> ** **
>
> Rick Brass****
>
> ** **
>
> *From:* CnC-List [mailto:cnc-list-boun...@cnc-list.com] *On Behalf Of
*Andrew
> Burton
> *Sent:* Thursday, August 22, 2013 10:45 AM
> *To:* cnc-list@cnc-list.com
> *Subject:* Re: Stus-List test****
>
> ** **
>
> I think the number you're looking for is 42.****
>
> Andy****
>
> ** **
>
> On Thu, Aug 22, 2013 at 10:29 AM, Della Barba, Joe <
> joe.della.ba...@ssa.gov> wrote:****
>
> 1****
>
>  ****
>
>
> _______________________________________________
> This List is provided by the C&C Photo Album
> http://www.cncphotoalbum.com
> CnC-List@cnc-list.com****
>
>
>
>
> --
> Andrew Burton
> 61 W Narragansett Ave
> Newport, RI
> USA 02840
> http://sites.google.com/site/andrewburtonyachtservices/
> phone  +401 965 5260 ****
>
> _______________________________________________
> This List is provided by the C&C Photo Album
> http://www.cncphotoalbum.com
> CnC-List@cnc-list.com
>
>


-- 
Andrew Burton
61 W Narragansett Ave
Newport, RI
USA 02840
http://sites.google.com/site/andrewburtonyachtservices/
phone  +401 965 5260
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Message: 4
Date: Thu, 22 Aug 2013 10:58:04 -0500
From: Frederick G Street <f...@postaudio.net>
To: cnc-list@cnc-list.com
Subject: Re: Stus-List test
Message-ID: <fd308b88-c298-4d19-9e04-d1223cc3d...@postaudio.net>
Content-Type: text/plain; charset="iso-8859-1"

Andy, you beat me to it!

Fred Street -- Minneapolis
S/V Oceanis (1979 C&C Landfall 38) -- Bayfield, WI

On Aug 22, 2013, at 9:45 AM, Andrew Burton <a.burton.sai...@gmail.com>
wrote:

> I think the number you're looking for is 42.

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------------------------------

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End of CnC-List Digest, Vol 91, Issue 80
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