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posted to rec.boats,rec.boats.cruising,alt.sailing.asa
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Electric fuel pump for a diesel
On Tue, 05 Dec 2006 03:52:04 +0000, Jere Lull wrote:
In article , Matt O'Toole wrote: A 28' sailboat needs only a small day tank -- 5 gallons is plenty. That may be too big. Our main tank is 12 gallons and except for passage-making, that's good for a season. Motoring hard, it's 3-days' worth, 4 at low cruise. All the more reason to do it! All you need is a container big enough to hold what you'd use in one day. After cruising on a couple of boats with gravity feed day tanks, I'm convinced it's the only way to go. Another advantage is you can filter/polish the fuel as it's being transferred. Matt O. |
#2
posted to rec.boats,rec.boats.cruising,alt.sailing.asa
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Electric fuel pump for a diesel
In article ,
Matt O'Toole wrote: On Tue, 05 Dec 2006 03:52:04 +0000, Jere Lull wrote: In article , Matt O'Toole wrote: A 28' sailboat needs only a small day tank -- 5 gallons is plenty. That may be too big. Our main tank is 12 gallons and except for passage-making, that's good for a season. Motoring hard, it's 3-days' worth, 4 at low cruise. All the more reason to do it! All you need is a container big enough to hold what you'd use in one day. After cruising on a couple of boats with gravity feed day tanks, I'm convinced it's the only way to go. Another advantage is you can filter/polish the fuel as it's being transferred. Matt O. Since we might use a quarter gallon some weekends, usually less, polishing would be a waste for us. Our "big" fuel draws are usually at the beginning and end of the season, when we're on our vacations and push to get somewhere. Even then, we get about 20 nm per gallon at 5-5.5 knots. A modern engine in a small boat is quite a bit different than you're used to. We draw a quarter gallon an hour. The only meaningful defense for us is the 10 micron Racor and the engine's 2 micron that has yet to show dirt. (and keeping the tank fairly full to starve the algae.) But you may have pointed out a reason our fuel pump's been trouble-free: The whole tank is above the primary pump, so the lift pump has little to do. -- Jere Lull Xan-a-Deux ('73 Tanzer 28 #4 out of Tolchester, MD) Xan's Pages: http://members.dca.net/jerelull/X-Main.html Our BVI FAQs (290+ pics) http://homepage.mac.com/jerelull/BVI/ |
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