Ditto to the others for our 1989 37+ with a Yanmar 3gm35f. The boat came with a bronze vented loop whose vent failed (open so a nice stream of water into the bulge...). I replaced it with a Forespar. Better safe than sorry for $30 and an hour of work....
Rich Hulit 917 854-5537 rhhu...@optonline.net Sent from my iPhone please excuse typos > On Jan 29, 2018, at 3:38 PM, cnc-list-requ...@cnc-list.com wrote: > > Send CnC-List mailing list submissions to > cnc-list@cnc-list.com > > 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 > cnc-list-requ...@cnc-list.com > > You can reach the person managing the list at > cnc-list-ow...@cnc-list.com > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of CnC-List digest..." > > > Today's Topics: > > 1. marinco 6079 installation (Alex Giannelia) > 2. Vented loop for engine above exhaust elbow? (Patrick Davin) > 3. Re: Vented loop for engine above exhaust elbow? (Josh Muckley) > 4. Re: Vented loop for engine above exhaust elbow? (Andrew Burton) > 5. Re: Vented loop for engine above exhaust elbow? > (Della Barba, Joe) > 6. Re: Vented loop for engine above exhaust elbow? (Dennis C.) > 7. Re: Vented loop for engine above exhaust elbow? (Jack Fitzgerald) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Mon, 29 Jan 2018 18:18:15 +0000 > From: Alex Giannelia <a...@airsensing.com> > To: "cnc-list@cnc-list.com" <cnc-list@cnc-list.com> > Subject: Stus-List marinco 6079 installation > Message-ID: <2a8bf01ded5b47779e91a0509aa0795f@S05-MBX03-17.S05.local> > Content-Type: text/plain; charset="us-ascii" > > Lee, > > Thanks for all those good notes. I now understand it really isn't necessary > if the plywood provides enough support for the 4 screws holding the ears of > the duplex outlet and I can pretty well do it as I want. > > Thanks again, > > Alex Giannelia > C&C 35-II (1974) no 282 > a...@airsensing.com > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://cnc-list.com/pipermail/cnc-list_cnc-list.com/attachments/20180129/8e2a4ac3/attachment-0001.html> > > ------------------------------ > > Message: 2 > Date: Mon, 29 Jan 2018 10:27:59 -0800 > From: Patrick Davin <jda...@gmail.com> > To: cnc-list@cnc-list.com > Subject: Stus-List Vented loop for engine above exhaust elbow? > Message-ID: > <cahixy6tzbts25aahj2xdv0nujdkzv2ofad85f2r0qqc8efv...@mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > Does anyone have a vented loop on their engine cooling water hose (between > the heat exchanger and the exhaust elbow)? Do you think it's necessary, > and any regrets / things you would change? If you have one, where is it > mounted? (particularly for LF38 layout, but any C&C over 32' would probably > be relevant) > > I searched the archives for previous discussion of this but couldn't find > anything. A diesel mechanic I'm having work on the engine (Yanmar 3HMF) > recommended a vented loop as a precautionary / extra-careful measure. Our > exhaust elbow is a few feet above waterline, and I'm skeptical we could > ever be heeled enough to bring it below heeled waterline (we've had the > toerail in the water before, and afaik the boat has never had a waterlock > issue). But I see his point about it maybe being cheap insurance against a > big problem. > > Background: a vented loop is sometimes installed between the heat exchanger > and the exhaust elbow to prevent water in the hose from siphoning into the > engine, resulting in hydrolock or worse (engine being ruined). It has > nothing to do with the exhaust hose exiting the boat (past the exhaust > riser). The need for it is determined by whether the exhaust elbow can be > below heeled waterline or not. Opinions on the Internet diverge (some > people think they're necessary, some don't). So I'm interested in what C&C > folks have since this is very specific to engine layout. > > -Patrick > 1984 C&C LF38 > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://cnc-list.com/pipermail/cnc-list_cnc-list.com/attachments/20180129/ed8788b7/attachment-0001.html> > > ------------------------------ > > Message: 3 > Date: Mon, 29 Jan 2018 18:37:41 +0000 > From: Josh Muckley <muckl...@gmail.com> > To: cnc-list@cnc-list.com > Subject: Re: Stus-List Vented loop for engine above exhaust elbow? > Message-ID: > <CA+zaCRBS=dffapmspiq2kcfiojuxsgr1wwsmqnurrbmb0s1...@mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > I have one from the PO. No regrets and no plans on removing it. I think > it is probably cheap insurance. I've come across precautionary tails of > the vent becoming plugged closed or degrading open. Just be aware. > > Josh Muckley > S/V Sea Hawk > 1989 C&C 37+ > Solomons, MD > > On Mon, Jan 29, 2018, 1:29 PM Patrick Davin via CnC-List < > cnc-list@cnc-list.com> wrote: > >> Does anyone have a vented loop on their engine cooling water hose (between >> the heat exchanger and the exhaust elbow)? Do you think it's necessary, >> and any regrets / things you would change? If you have one, where is it >> mounted? (particularly for LF38 layout, but any C&C over 32' would probably >> be relevant) >> >> I searched the archives for previous discussion of this but couldn't find >> anything. A diesel mechanic I'm having work on the engine (Yanmar 3HMF) >> recommended a vented loop as a precautionary / extra-careful measure. Our >> exhaust elbow is a few feet above waterline, and I'm skeptical we could >> ever be heeled enough to bring it below heeled waterline (we've had the >> toerail in the water before, and afaik the boat has never had a waterlock >> issue). But I see his point about it maybe being cheap insurance against a >> big problem. >> >> Background: a vented loop is sometimes installed between the heat >> exchanger and the exhaust elbow to prevent water in the hose from siphoning >> into the engine, resulting in hydrolock or worse (engine being ruined). It >> has nothing to do with the exhaust hose exiting the boat (past the exhaust >> riser). The need for it is determined by whether the exhaust elbow can be >> below heeled waterline or not. Opinions on the Internet diverge (some >> people think they're necessary, some don't). So I'm interested in what C&C >> folks have since this is very specific to engine layout. >> >> -Patrick >> 1984 C&C LF38 >> >> _______________________________________________ >> >> Thanks everyone for supporting this list with your contributions. Each >> and every one is greatly appreciated. If you want to support the list - >> use PayPal to send contribution -- https://www.paypal.me/stumurray >> >> > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://cnc-list.com/pipermail/cnc-list_cnc-list.com/attachments/20180129/a5089058/attachment-0001.html> > > ------------------------------ > > Message: 4 > Date: Mon, 29 Jan 2018 13:43:23 -0500 > From: Andrew Burton <a.burton.sai...@gmail.com> > To: cnc-list@cnc-list.com > Subject: Re: Stus-List Vented loop for engine above exhaust elbow? > Message-ID: > <CAGAfpma-NFeXQBZNPaTKrA0aG9G4a=eyv4+kpofkrt3kk-w...@mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > The mechanic put one on my new installation on Peregrine. He said he > thought that we were a little close to the water line, so better safe than > sorry. By the way, Cruising World at some point will be coming out with my > article on taking out the old and installing the new engine. > > Andy > Formerly C&C 40 Peregrine > Now Baltic 47 Fair Wind > > On Mon, Jan 29, 2018 at 1:37 PM, Josh Muckley via CnC-List < > cnc-list@cnc-list.com> wrote: > >> I have one from the PO. No regrets and no plans on removing it. I think >> it is probably cheap insurance. I've come across precautionary tails of >> the vent becoming plugged closed or degrading open. Just be aware. >> >> Josh Muckley >> S/V Sea Hawk >> 1989 C&C 37+ >> Solomons, MD >> >> On Mon, Jan 29, 2018, 1:29 PM Patrick Davin via CnC-List < >> cnc-list@cnc-list.com> wrote: >> >>> Does anyone have a vented loop on their engine cooling water hose >>> (between the heat exchanger and the exhaust elbow)? Do you think it's >>> necessary, and any regrets / things you would change? If you have one, >>> where is it mounted? (particularly for LF38 layout, but any C&C over 32' >>> would probably be relevant) >>> >>> I searched the archives for previous discussion of this but couldn't find >>> anything. A diesel mechanic I'm having work on the engine (Yanmar 3HMF) >>> recommended a vented loop as a precautionary / extra-careful measure. Our >>> exhaust elbow is a few feet above waterline, and I'm skeptical we could >>> ever be heeled enough to bring it below heeled waterline (we've had the >>> toerail in the water before, and afaik the boat has never had a waterlock >>> issue). But I see his point about it maybe being cheap insurance against a >>> big problem. >>> >>> Background: a vented loop is sometimes installed between the heat >>> exchanger and the exhaust elbow to prevent water in the hose from siphoning >>> into the engine, resulting in hydrolock or worse (engine being ruined). It >>> has nothing to do with the exhaust hose exiting the boat (past the exhaust >>> riser). The need for it is determined by whether the exhaust elbow can be >>> below heeled waterline or not. Opinions on the Internet diverge (some >>> people think they're necessary, some don't). So I'm interested in what C&C >>> folks have since this is very specific to engine layout. >>> >>> -Patrick >>> 1984 C&C LF38 >>> >>> _______________________________________________ >>> >>> Thanks everyone for supporting this list with your contributions. Each >>> and every one is greatly appreciated. If you want to support the list - >>> use PayPal to send contribution -- https://www.paypal.me/stumurray >>> >>> >> _______________________________________________ >> >> Thanks everyone for supporting this list with your contributions. Each >> and every one is greatly appreciated. If you want to support the list - >> use PayPal to send contribution -- https://www.paypal.me/stumurray >> >> >> > > > -- > 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/20180129/d9f1202b/attachment-0001.html> > > ------------------------------ > > Message: 5 > Date: Mon, 29 Jan 2018 18:45:10 +0000 > From: "Della Barba, Joe" <joe.della.ba...@ssa.gov> > To: "cnc-list@cnc-list.com" <cnc-list@cnc-list.com> > Subject: Re: Stus-List Vented loop for engine above exhaust elbow? > Message-ID: > <bf5a6b303f63456a93dd097eb5bf4...@nsc-dag3-06.ba.ad.ssa.gov> > Content-Type: text/plain; charset="utf-8" > > I have one. It has caused no problems and could prevent a siphon. They should > be checked every now and then for proper operation. They should not leak > water out and should allow air in. > Joe > Coquina > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://cnc-list.com/pipermail/cnc-list_cnc-list.com/attachments/20180129/46f825ef/attachment-0001.html> > > ------------------------------ > > Message: 6 > Date: Mon, 29 Jan 2018 13:51:14 -0600 > From: "Dennis C." <capt...@gmail.com> > To: CnClist <CnC-List@cnc-list.com> > Subject: Re: Stus-List Vented loop for engine above exhaust elbow? > Message-ID: > <CANir+ys8jUVT3zH=FPShoZWej6VUOqnidor52G8vPpHgA3=s...@mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > Touche' has one. > > Dennis C. > Touche' 35-1 #83 > Mandeville, LA > > On Jan 29, 2018 11:29 AM, "Patrick Davin via CnC-List" < > cnc-list@cnc-list.com> wrote: > >> Does anyone have a vented loop on their engine cooling water hose (between >> the heat exchanger and the exhaust elbow)? Do you think it's necessary, >> and any regrets / things you would change? If you have one, where is it >> mounted? (particularly for LF38 layout, but any C&C over 32' would probably >> be relevant) >> >> I searched the archives for previous discussion of this but couldn't find >> anything. A diesel mechanic I'm having work on the engine (Yanmar 3HMF) >> recommended a vented loop as a precautionary / extra-careful measure. Our >> exhaust elbow is a few feet above waterline, and I'm skeptical we could >> ever be heeled enough to bring it below heeled waterline (we've had the >> toerail in the water before, and afaik the boat has never had a waterlock >> issue). But I see his point about it maybe being cheap insurance against a >> big problem. >> >> Background: a vented loop is sometimes installed between the heat >> exchanger and the exhaust elbow to prevent water in the hose from siphoning >> into the engine, resulting in hydrolock or worse (engine being ruined). It >> has nothing to do with the exhaust hose exiting the boat (past the exhaust >> riser). The need for it is determined by whether the exhaust elbow can be >> below heeled waterline or not. Opinions on the Internet diverge (some >> people think they're necessary, some don't). So I'm interested in what C&C >> folks have since this is very specific to engine layout. >> >> -Patrick >> 1984 C&C LF38 >> >> >> _______________________________________________ >> >> Thanks everyone for supporting this list with your contributions. Each >> and every one is greatly appreciated. If you want to support the list - >> use PayPal to send contribution -- https://www.paypal.me/stumurray >> >> >> > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://cnc-list.com/pipermail/cnc-list_cnc-list.com/attachments/20180129/36d08fb6/attachment-0001.html> > > ------------------------------ > > Message: 7 > Date: Mon, 29 Jan 2018 15:36:55 -0500 > From: Jack Fitzgerald <j...@fitzgeraldforwarding.com> > To: "C&CList" <cnc-list@cnc-list.com> > Subject: Re: Stus-List Vented loop for engine above exhaust elbow? > Message-ID: > <CAJze_ALE7Ysq3-EC9mH-7=W51_u3tyMa7VxNrQ+fF39UQi=m...@mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > Honey has one as well. > > Best regards, > Jack Fitzgerald > HONEY > C&C 39 TM - US12788 > Savannah, GA 31410 USA > > This email is protected by the Electronic Communications Privacy > Act, 18 U.S.C. Sec. 2510-2521, is confidential and may be legally > privileged. If you are not the intended recipient, you are hereby notified > that any retention, dissemination, distribution or copying of this > communication is strictly prohibited. Please reply to the sender that you > have received this message in error, then delete it. Thank you > > > On Mon, Jan 29, 2018 at 2:51 PM, Dennis C. via CnC-List < > cnc-list@cnc-list.com> wrote: > >> Touche' has one. >> >> Dennis C. >> Touche' 35-1 #83 >> Mandeville, LA >> >> On Jan 29, 2018 11:29 AM, "Patrick Davin via CnC-List" < >> cnc-list@cnc-list.com> wrote: >> >>> Does anyone have a vented loop on their engine cooling water hose >>> (between the heat exchanger and the exhaust elbow)? Do you think it's >>> necessary, and any regrets / things you would change? If you have one, >>> where is it mounted? (particularly for LF38 layout, but any C&C over 32' >>> would probably be relevant) >>> >>> I searched the archives for previous discussion of this but couldn't find >>> anything. A diesel mechanic I'm having work on the engine (Yanmar 3HMF) >>> recommended a vented loop as a precautionary / extra-careful measure. Our >>> exhaust elbow is a few feet above waterline, and I'm skeptical we could >>> ever be heeled enough to bring it below heeled waterline (we've had the >>> toerail in the water before, and afaik the boat has never had a waterlock >>> issue). But I see his point about it maybe being cheap insurance against a >>> big problem. >>> >>> Background: a vented loop is sometimes installed between the heat >>> exchanger and the exhaust elbow to prevent water in the hose from siphoning >>> into the engine, resulting in hydrolock or worse (engine being ruined). It >>> has nothing to do with the exhaust hose exiting the boat (past the exhaust >>> riser). The need for it is determined by whether the exhaust elbow can be >>> below heeled waterline or not. Opinions on the Internet diverge (some >>> people think they're necessary, some don't). So I'm interested in what C&C >>> folks have since this is very specific to engine layout. >>> >>> -Patrick >>> 1984 C&C LF38 >>> >>> >>> _______________________________________________ >>> >>> Thanks everyone for supporting this list with your contributions. Each >>> and every one is greatly appreciated. If you want to support the list - >>> use PayPal to send contribution -- https://www.paypal.me/stumurray >>> >>> >>> >> _______________________________________________ >> >> Thanks everyone for supporting this list with your contributions. Each >> and every one is greatly appreciated. If you want to support the list - >> use PayPal to send contribution -- https://www.paypal.me/stumurray >> >> >> > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://cnc-list.com/pipermail/cnc-list_cnc-list.com/attachments/20180129/7921a973/attachment.html> > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > CnC-List mailing list > CnC-List@cnc-list.com > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > > > ------------------------------ > > End of CnC-List Digest, Vol 144, Issue 106 > ****************************************** _______________________________________________ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray
