At some point in the past, a past owner moved the Fuel Tank vent from the
outside of the hull to the inside of the Propane Locker, which is
right next to the fuel fill on our 37 XL.  The reason was to make it
impossible for the fuel vent to draw water into the fuel tank with the rail
under.  This new location is very helpful when filling the tank as it is
easy to listen to for the change in sound when filling.  Even if it spits
out a wee bit of fuel, it is easy to clean up as it is contained within
the propane locker so can be cleaned up quickly before it goes out the
propane locker drain.

Ken H.

On Wed, 25 Mar 2020 at 07:53, Andrew Burton via CnC-List <
cnc-list@cnc-list.com> wrote:

> When I top up fuel I listen with my ear close to the fill and when I hear
> the gurgle change pitch I stop filling. You can get an idea of what I’m
> talking about by getting an empty wine bottle—something we all have kicking
> around these days—and listening as you fill it from the tap. When it’s just
> about full the noise of water gets higher. Doing this I never had fuel come
> out my vent on my 40.
> An important note, empty the water out of the wine bottle when you’re
> finished the experiment so you don’t accidentally consume the stuff. Fish
> s*** in it!
> Andy
> Masquerade
>
> Andrew Burton
> 26 Beacon Hill
> Newport, RI
> USA    02840
>
> www.burtonsailing.com
> http://sites.google.com/site/andrewburtonyachtservices/
> +401 965-5260
>
> On Mar 24, 2020, at 22:41, David Risch via CnC-List <cnc-list@cnc-list.com>
> wrote:
>
> So how do folks "fill" condistently without vent spill.  One of those vent
> "catchers"  or some other arrangement?
>
> Thanks.
>
> Sent from my Android. Please forgive typos. Thank you.
>
> ------------------------------
> *From:* CnC-List <cnc-list-boun...@cnc-list.com> on behalf of Andrew
> Burton via CnC-List <cnc-list@cnc-list.com>
> *Sent:* Tuesday, March 24, 2020 6:28:36 PM
> *To:* cnc-list@cnc-list.com <cnc-list@cnc-list.com>
> *Cc:* Andrew Burton <a.burton.sai...@gmail.com>
> *Subject:* Re: Stus-List Fuel tracker app
>
> Tracking your fuel consumption and fuel available is really a fairly
> important safety measure. I filled my tank and ran my boats for 12 hours at
> cruising speed and then filled up again. It was pretty easy to figure fuel
> consumption in gallon/ hour and get a good idea of my range under power. I
> know that if I run at lower rpms I can go longer and if I run faster my
> fuel will give out sooner. I also have a good idea of the capacity of my
> tank because with 5 extra gallons handy I’ve run the tank dry. Bleeding the
> engine is easy and a handy skill to possess.
> One of the few ways a Swan is better than a Baltic is that they have a
> tube and a calibrated dipstick for water and fuel tanks so up you can get a
> good handle on your remaining fuel. I plan to install a way to dip my tank
> on Masquerade soon. Another great way to monitor tank level is to have a
> sight tube; basically you have an elbow coming out the bottom of the tank
> and another at the top directly above and connect them with a clear or
> translucent hose. Simple and elegant.
> The only fuel gauges I’ve seen that consistently work are the ones where
> you pump them up at the gauge and take a reading. I think it’s called a
> Tank Tender.
> Good luck
> Andy
> Masquerade
> Currently in Oxford, MD
> Planning to start back toward Newport tomorrow
>
> Andrew Burton
> 26 Beacon Hill
> Newport, RI
> USA    02840
>
> www.burtonsailing.com
> http://sites.google.com/site/andrewburtonyachtservices/
> +401 965-5260
>
>
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> Thanks everyone for supporting this list with your contributions.  Each
> and every one is greatly appreciated.  If you want to support the list -
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>
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> and every one is greatly appreciated.  If you want to support the list -
> use PayPal to send contribution --   https://www.paypal.me/stumurray
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