First, the vent on Touche' overflows before the fill so not quite the same configuration as others. I place an absorbent pad under the vent just in case.
Touche's fuel gauge is fairly accurate but does peg out at "F" a bit before the tank is topped off. I do two things to avoid overflow. Method 1 - I have meticulously logged every fuel addition with the corresponding engine hours since the repower in 2003. From that data, I've calculated the fuel usage is always between 0.6 and 0.7 gph depending on how hard we run the boat. Using the low 0.6 gph number and the hours since the last fuel addition, I can usually calculate how much fuel I've used and thus how much I can add. That is, 10 hours x 0.6 gph = 6 gallons. So at around 5 gallons, I slow the fuel addition rate and switch to method 2 below. Method 2 - I use the tried and true method of placing my ear near the fill and listening. You can usually detect the change in sound when the fuel begins to rise up the fill hose. Your boat(s) maybe be different. PS: The large fuel dispensing hoses you encounter at fuel docks where they fuel a lot of large boats complicate fueling our smaller tanked boats. :( Dennis C. Touche' 35-1 #83 Mandeville, LA On Mon, Dec 14, 2015 at 3:41 PM, Indigo via CnC-List <cnc-list@cnc-list.com> wrote: > This explains why I never get any fuel dripping out of the vent before the > fill pipe overflows! How do others make sure the tank is full without > causing a small spill? (Especially with a less than sensitive fuel gauge!) > > -- > Jonathan > Indigo C&C 35III > SOUTHPORT CT > > On Dec 14, 2015, at 12:14, Joel Aronson via CnC-List < > cnc-list@cnc-list.com> wrote: > > I finally crawled into the lazarette this weekend. The vent hose is > looped under the coaming on my 35/3, so the loop is nearly a foot higher > than the thru-hull under the toe-rail. Once again, the guys in Niagara on > the Lake got it right! > > Joel > 35/3 > Annapolis > > On Sat, Oct 31, 2015 at 10:45 AM, Michael Brown via CnC-List < > cnc-list@cnc-list.com> wrote: > >> The trap would answer the question if the water was in fact coming in the >> vent line. >> If it was, it might identify the conditions that cause it. >> >> I could imagine water splashing in a few tablespoons at a time, but not >> causing an >> issue until enough accumulated in the tank to get picked up. That would >> leave the >> owner wondering how a gallon of water got in. >> >> Michael Brown >> Windburn >> C&C 30-1 >> >> >> Date: Fri, 30 Oct 2015 14:13:32 -0500 >> From: "Dennis C." <capt...@gmail.com> >> To: CnClist <CnC-List@cnc-list.com> >> Subject: Stus-List Other fuel system water ingress sources >> Message-ID: >> <canir+yuaaje1sv22q-zyknk_hzhxdywdznvha6fucykmssw...@mail.gmail.com> >> Content-Type: text/plain; charset="utf-8" >> >> While we're on the subject, two other things to check: >> >> 1. Fuel fill cap gasket o-ring >> 2. Fuel fill cap if plastic. It could be cracked. >> >> Dennis C. >> >> Date: Fri, 30 Oct 2015 16:38:03 -0900 >> From: Josh Muckley <muckl...@gmail.com> >> To: "C&C List" <cnc-list@cnc-list.com> >> Subject: Re: Stus-List Fuel vents >> Message-ID: >> <CA+zaCRC=PEn8ZRj316zrbgfpzVSX0FmAXfDUXmnxgoC29eph=w...@mail.gmail.com> >> Content-Type: text/plain; charset="utf-8" >> >> Michael, >> >> I can see what you were going for and I think it would partially work. >> Ideally a larger drop-out tank could be attached to the drain fitting and >> a >> fluid sensor added. In my case it seems simpler to just re-plumb the >> vent >> inside the adjacent propane locker or up a lifeline stanchion. I don't >> think it would out perform a centerline vent loop either. >> >> Josh Muckley >> S/V Sea Hawk >> 1989 C&C 37+ >> Solomons, MD >> >> >> _______________________________________________ >> >> Email address: >> CnC-List@cnc-list.com >> To change your list preferences, including unsubscribing -- go to the >> bottom of page at: >> http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com >> >> >> > > > -- > Joel > 301 541 8551 > > _______________________________________________ > > Email address: > CnC-List@cnc-list.com > To change your list preferences, including unsubscribing -- go to the > bottom of page at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > > > _______________________________________________ > > Email address: > CnC-List@cnc-list.com > To change your list preferences, including unsubscribing -- go to the > bottom of page at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > > >
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