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28 fuel tanks and range

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  • 28 fuel tanks and range

    Looking at a new 28 and options say long range fuel tanks are optional for diesel...Does anyone know how big they are?
    and what king of fuel economy might I expect from the 310 volvo?

  • #2
    Standard tank for diesel is 220 gallons. Historically, they would reconfigure for gas boats so they could hold up to about 290 gallons. That is a nice enhancement if they will do that for Diesels now too.

    I have 2002 Volvo KAMD 44's and I get about 1-1.1 mile per gallon. Other guys have said that they do slightly better but I haven't heard anything worse than 1 mile per gallon. I am not familiar with your engine type but I have to assume that the fuel economy is only better.?

    With my set-up, I would like to be able carry about an extra 30-40 gallons for extended canyon trips that include a lot of trolling. If I had the option, I would go with a bigger fuel tank with my motors but you may not need to.

    A few guys here have the Volvo D4 or D6 engine...is that the same as the 310 Volvo?
    Bullish
    2002 28
    Volvo Kamd 44p's

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    • #3
      Here's the D6-310 spec sheet

      http://www.volvo.com/NR/rdonlyres/85...10_inboard.pdf

      The D4-260's give ~1.25 to 1.4 nmiles/gallon depending on weight and sea condition. Looking at the fuel curve on the D6's and remembering what others have said - you should be able to get the magic 25 knots on the D6's at 2800 RPM which by the curves in the spec sheet at 18-20 GPH. I think the D6 owners said that at 3000 and change they got 27-28 knots; the curve shows that burning 20-22 GPH.

      If your buying new your craxy not to get the additional saddle tanks - I believe someone posted they are 28 gallons each; bringing he 210, not 220 gallon standard capacity to 266 gallons.

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      • #4
        D-6

        I just ran two trips to the gulf stream this past week. I have an 2006 28 with the D-6's. Both trips I ran out 63 nautical miles and trolled all day. Each trip logged 15.8 hours on the engine meter. I had five people aboard, all the tackle I could take, and both fish boxs full of ice. The first day it was sloppy and I had to go out at 22 knots. The second day it was much nicer and I cruised there and back at 27 to 28 knots. On both trips the boat burned 135 gallons. At 2800 rpm's the boat will cruise at 26.5 knots, and at 3000 you will get a 28.5-29 knot cruise with a full load.

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        • #5
          I called carolina classic and the larger tanks allow 256 gallons and stated both the volvo d4 260 and the 315 yanmar would avg 1.5 mpg at 26-28 knot cruise and would get about 4-6 mpg at troll, does that sound accurate to yall?
          Last edited by bblaker; 05-03-2007, 06:55 PM.

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          • #6
            Optimistic

            I love the guys from CC but that's best case scenario. If I'm light; the seas are calm and the air is cool I will get 26-27 knots and burn 20 GPH. 27 knots is 30 MPH so in that case ; yes 1.5 mpg is correct.

            More realistic isrunning fully loaded in some chop at 24.5 knots and burning 20 GPH. Thats 27 MPH/20 or 1.33 MPG.

            My troll burn is ~3 GPH at 7 knots and perhaps 1.5 GPH at 4 knots.

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            • #7
              Larry,

              Your sure that standard capacity is 210 gallons? Important information.
              Bullish
              2002 28
              Volvo Kamd 44p's

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              • #8
                100% sure

                the tank says 208 gallons on top. Mac has told me you can put 220 in it; but not to count on more than 200 as usable.

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                • #9
                  I believe the 05 have 210 since Mac redeisgned the helm area.On the older boats its 220 and usable is around 207, I know I ran out of fuel once.
                  2004 28 VOLVO 300 DIESELS

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                  • #10
                    I routinely burn 185 on canyon trips....cutting it a little close...I'll need to think about this.
                    Bullish
                    2002 28
                    Volvo Kamd 44p's

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                    • #11
                      I don't think twice about 180-185 gallon trips

                      I've done it enough it doesn't phase me. 198 was my record; and that was too close

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                      • #12
                        On the pre 05 28's the tank is 209, usable... I burned 202 once, without running out.

                        In 05 when the helm deck was redesigned the tank was reduced to 200 gallons with 2-28 gallon saddles as a long distance option.

                        I regularly burned 165-185 without taking extra fuel. 2 seasons ago I started to carry an extra 30 for security and also giving me the option to jump canyons if needed to find the fish.


                        Chris
                        "Pelagic" 2006 Classic 32

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                        • #13
                          fuel

                          I run 11 Miles to the sea buoy then 67 miles to the ledge then troll from 6:30 am to 3 pm. The least I have burned is 153 and the most is well....lets put it like this: I had sediment of some kind in the bottom of my RACORS. So say 78 there and 78 back = 156nm at 3400rpm - 23.5 on the way out and 25 on the way back. Add - Troll 8.5 hrs avg. I believe I average 178-185 with four guys, ice and gear. The day I burned 153 I had a crew of me and one other and a very clean bottom.
                          2001 28\' 230 Volvo Diesels

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