Ignorance may be bliss but with the information given 1.5" is what I would do.
Welcome to the C&C family. Josh Muckley S/V Sea Hawk 1989 C&C 37+ Solomons, MD -- When privacy matters. http://www.secure-my-email.com On Aug 22, 2013 5:17 PM, "Jean-Francois J Rivard" <[email protected]> wrote: > 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" > > > > > [image: Inactive hide details for cnc-list-request---08/22/2013 12:05:42 > PM---Send CnC-List mailing list submissions to > cnc-list@cnc-l]cnc-list-request---08/22/2013 > 12:05:42 PM---Send CnC-List mailing list submissions to > [email protected] > > From: [email protected] > To: [email protected] > Date: 08/22/2013 12:05 PM > Subject: CnC-List Digest, Vol 91, Issue 80 > Sent by: "CnC-List" <[email protected]> > ------------------------------ > > > > Send CnC-List mailing list submissions to > [email protected] > > To subscribe or unsubscribe via the World Wide Web, visit > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > or, via email, send a message with subject or body 'help' to > [email protected] > > You can reach the person managing the list at > [email protected] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of CnC-List digest..." > > > 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 <[email protected]> > To: [email protected] > 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 > <[email protected]>wrote: > > > 1**** > > > > ** ** > > > > _______________________________________________ > > This List is provided by the C&C Photo Album > > http://www.cncphotoalbum.com > > [email protected] > > > > > > > -- > Andrew Burton > 61 W Narragansett Ave > Newport, RI > USA 02840 > http://sites.google.com/site/andrewburtonyachtservices/ > phone +401 965 5260 > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://cnc-list.com/pipermail/cnc-list_cnc-list.com/attachments/20130822/9f3b1ebb/attachment-0001.html > > > > ------------------------------ > > Message: 2 > Date: Thu, 22 Aug 2013 10:58:39 -0400 > From: "Rick Brass" <[email protected]> > To: <[email protected]> > 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:[email protected]<[email protected]>] > On Behalf Of Andrew > Burton > Sent: Thursday, August 22, 2013 10:45 AM > To: [email protected] > 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 < > [email protected]> > wrote: > > 1 > > > > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > [email protected] > > > > > -- > Andrew Burton > 61 W Narragansett Ave > Newport, RI > USA 02840 > http://sites.google.com/site/andrewburtonyachtservices/ > phone +401 965 5260 > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://cnc-list.com/pipermail/cnc-list_cnc-list.com/attachments/20130822/5c79ca50/attachment-0001.html > > > > ------------------------------ > > Message: 3 > Date: Thu, 22 Aug 2013 11:32:06 -0400 > From: Andrew Burton <[email protected]> > To: [email protected] > 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 <[email protected] > >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:[email protected]<[email protected]>] > *On Behalf Of *Andrew > > Burton > > *Sent:* Thursday, August 22, 2013 10:45 AM > > *To:* [email protected] > > *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 < > > [email protected]> wrote:**** > > > > 1**** > > > > **** > > > > > > _______________________________________________ > > This List is provided by the C&C Photo Album > > http://www.cncphotoalbum.com > > [email protected]**** > > > > > > > > > > -- > > 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 > > [email protected] > > > > > > > -- > Andrew Burton > 61 W Narragansett Ave > Newport, RI > USA 02840 > http://sites.google.com/site/andrewburtonyachtservices/ > phone +401 965 5260 > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://cnc-list.com/pipermail/cnc-list_cnc-list.com/attachments/20130822/3b56ba78/attachment-0001.html > > > > ------------------------------ > > Message: 4 > Date: Thu, 22 Aug 2013 10:58:04 -0500 > From: Frederick G Street <[email protected]> > To: [email protected] > Subject: Re: Stus-List test > Message-ID: <[email protected]> > 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 <[email protected]> > wrote: > > > I think the number you're looking for is 42. > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://cnc-list.com/pipermail/cnc-list_cnc-list.com/attachments/20130822/4345888a/attachment-0001.html > > > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > CnC-List mailing list > [email protected] > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > > > ------------------------------ > > End of CnC-List Digest, Vol 91, Issue 80 > **************************************** > > > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > [email protected] > >
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