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Thread: Boat fuel consumption/Model survey

  1. #1

    Default Boat fuel consumption/Model survey

    *What boat do you own?

    *How Many/what model of motors do you have?

    *How many GPH or MPG do you get?

    *How much does it cost ya to fill up your source of relaxing adventures and fun?

  2. #2
    Member Hoyt's Avatar
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    *What boat do you own?
    I own an 18 ft Almar Lite, and an 18 ft Alumacraft flat bottom.

    *How Many/what model of motors do you have?
    Almar has a 4 cylnder 2.3 liter Ford (inboard), Alumacraft has a 60 Merc (jet)

    *How many GPH or MPG do you get?
    I ran the Almar from Nordale to downtown Fairbanks and back the other day on a full tank. When I got back, I was surprised to see I only burned half a tank. I knew the boat was super efficient, but not that good. Iíve figured Iím burning tops 5-6 gal an hour.

    The flat bottom burns a little more I believe some where around 6-7 an hour.

    *How much does it cost ya to fill up your source of relaxing adventures and fun?
    Almar- $85 or so.
    Flat bottom- $50 or so.

  3. #3
    Member krusty's Avatar
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    20 foot fish- rite 5 degree bottom

    50 hp with a 11 5/8 X 11 prop.

    with 5, 250 lb guys can fish for 6 hrs on the kenai with 5 gallons of gas

  4. #4
    Member Tolman24's Avatar
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    *What boat do you own?
    24' Tolman
    *How Many/what model of motors do you have?
    (1) 115 Suzuki 4s
    *How many GPH or MPG do you get?
    4 - 4.5 MPG average (23 - 28 MPH cruise speed)
    *How much does it cost ya to fill up your source of relaxing adventures and fun?
    To dang much. ~ $230

  5. #5
    Moderator Paul H's Avatar
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    23' tolman (pretty similar to a c-dory 22 but with semi-v bottom and a foot longer)

    140 horse suzuki

    5 gph @ 19-20 knots, 6 gph @ 21-22 knots, 12 gph wot 31-33 knots.

    55 gallon tank, so at current prices $230 to fill it up, typical trips I burn 20-30 gallons, so by the time you add in diesel for the truck, launch and parking fees, I figure a day or two of fun is $200-250.

    I just don't think about the price, the trips I've had have been so nice it's worth every penny.


  6. #6
    Member Alaska Gray's Avatar
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    Twin 115 26 hewes

    I went out this past week. This is what I got.

    60 RPM 21 GPH

    50 RPM 12.4 GPH

    40 RPM 9.5 GPH
    Living the Alaskan Dream
    Gary Keller
    Anchorage, AK

  7. #7
    Member Dupont Spinner's Avatar
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    *What boat do you own?

    DS#1 '04 Bayliner 2858

    DS#2 '97 North River 21'

    *How Many/what model of motors do you have?

    DS#1 Single Screw 350 MPI
    Soon to be Bravo III O/D

    DS#2 Hami 212 twisted by Kodiak Marine Big Block fuel injected

    *How many GPH or MPG do you get?

    DS#1 I have a 4 year average of 2.8 mpg with my Bravo II

    DS#2 On flow meter at cruise I push 8 to 9 gph thru her

    *How much does it cost ya to fill up your source of relaxing adventures and fun?

    DS#1 Depends on far far we go but empty is 110 gallons and average about 60 gallons a fillup.

    DS#2 80 gallons to empty. An average run to Lake creek about 32 -35 gallons depending on water conditions.

  8. #8
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    Alweld 20V70

    175 Johnson OB

    4300 rpm 40 mph and 10.4 gph
    Great spirits have always found violent opposition from mediocre minds. The latter cannot understand it when a man does not thoughtlessly submit to hereditary prejudices but honestly and courageously uses his intelligence. Albert Einstein

    Better living through chemistry (I'm a chemist)

    You can piddle with the puppies, or run with the wolves...

  9. #9

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    '89 C-Dory 22' Cruiser (3500#s Typical)
    '89 Johnson 70 (single) 2.25-2.5 mpg @ typical cruise of 4750 rpm
    Data accurately displayed on Navman 3100 and confirmed @ pump

  10. #10
    Member bhollis's Avatar
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    30' SeaSport Voyager.

    Twin Volvo Penta KAD44 diesels.

    1.4-1.5 mpg @ 27 kts.

    2-125 gallon tanks. You do the math.

  11. #11
    Member Queen of Kings's Avatar
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    Default Iam getting

    22 SeaRunner Hewe Soft top 115 Yamy

    MPH RPM GPH
    19.5 4000 4.1
    25 4500 4.9
    29 5000 5.9
    33 5500 7.4
    35 5900 9.1

    AVG running 4500 to 5000 RPM = 4.56 mpg
    2003 220 Hewescraft Sea Runner 115 Yam'y, Soft Top "Schmidt Happens"

  12. #12

    Default boat

    30' Hewes Craft

    Twin Yamaha 150's

    1.5 to 3 mpg depending on speed

    222 gallons x $4.30 today and $5.00 before long = cutting down # of trips to boat becoming a very expensive lawn ornament.

  13. #13

    Default

    On several trips in my CD-22 I get very close to 4-5 miles per gallon at a 23-25 mph cruise with the Honda 45s turning a little less than 5 thousand rpms. If I bring a lot of stuff and a lot of friends - it is 4, or even a little less. If it is just me and the wife it gets really close to 5. I usually like to run out to Johnstone Bay, Little Johnstone Bay, and the other completely unprotected so called bays, points, and heads east of Resurrection Bay for some butt fishing and it normally burns about 15-16 gallons round trip. Even at today's prices it is a pretty economical fishing trip. I am so glad I didn't buy a SeaSport - which is what I was shopping for when I bought this tough little boat.

  14. #14
    Member IceKing02's Avatar
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    Default "Red Hot"

    It is not the biggest.
    It is not the baddest.
    It is not the fastest, most powerful, most comfortable, most anything...

    BUT:

    *What boat do you own?
    15ft MK III HD Zodiac...the Navy Seal boat, but I'm not sure how they fit six big, bad guys and all of their guns in the boat.

    *How Many/what model of motors do you have?
    (1) Tohatsu 50hp TLDI (2-stroke)

    *How many GPH or MPG do you get?
    It burns 3.5gph at WOT but at 82% WOT she burns about 2.5gph...That usually corresponds to 21-24mph with the top up. That makes it EASY on the fuel consumption...

    *How much does it cost ya to fill up your source of relaxing adventures and fun?
    My kiddos and I burned up around 11gallons of fun last weekend going to Bettles, over to Esther, back to Bettles, back to Esther, back to Bettles, over to Culross Passage, caching some gas and then back to Whittier. That was about 89.98miles of fun by my GPS calculations...<$60 to go out shrimping and catching their first fish!

    I'm thinkin' that everybody's gonna want one of these little rubber seal boats real soon...

  15. #15

    Default

    Quote Originally Posted by IceKing02 View Post
    It is not the biggest.
    It is not the baddest.
    It is not the fastest, most powerful, most comfortable, most anything...

    BUT:

    *What boat do you own?
    15ft MK III HD Zodiac...the Navy Seal boat, but I'm not sure how they fit six big, bad guys and all of their guns in the boat.

    *How Many/what model of motors do you have?
    (1) Tohatsu 50hp TLDI (2-stroke)

    *How many GPH or MPG do you get?
    It burns 3.5gph at WOT but at 82% WOT she burns about 2.5gph...That usually corresponds to 21-24mph with the top up. That makes it EASY on the fuel consumption...

    *How much does it cost ya to fill up your source of relaxing adventures and fun?
    My kiddos and I burned up around 11gallons of fun last weekend going to Bettles, over to Esther, back to Bettles, back to Esther, back to Bettles, over to Culross Passage, caching some gas and then back to Whittier. That was about 89.98miles of fun by my GPS calculations...<$60 to go out shrimping and catching their first fish!

    I'm thinkin' that everybody's gonna want one of these little rubber seal boats real soon...

    I too have zodiac (real close to 11 feet) that I tow behind my C-Dory on camping trips. When the weather is good, the seas are calm, and fishing is good, there is no better place to be then in an inflatable. When the weather turns to crap, you are cold, and too tired to set up a camp, the C-Dory's cabin is very enticing - even it is smallish. And CD 22s do not burn that much fuel. Cruising in an inflatable boat is a very intimate experience in my opinion. However, you are right, the fuel consumption of these boats is amazing. I have a 20 hp 4 stroke on the back of mine and I have gone all the way out to Rugged and back and the 6 gallon gas can felt just about as heavy when I put it in.

  16. #16
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    My boat is a 2006 19' Trophy walk-around soft top. Just out at Whittier yesterday (Wednesday) and I was cruising at 30 mph @ 4000 RPM's , using 8 gph. The motor is a 135 hp Optimax. Seas were flat and calm all day, cloudy and foggy, and we caught some chicken halibut and some monster cod. Fun day.

  17. #17
    Member propgrinder's Avatar
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    - Lowe Big Jon, 18'x48"
    - single 35hp Go-Devil Surface Drive
    - 3 gph at WOT, 2 people and gear, about 21 mph, so 7+ mpg
    - 18 gal tank @ $4.25/gal = $76.50 for about all day.

  18. #18
    Member AK NIMROD's Avatar
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    EXTREME JET CUSTOM 13 FOOTER WITH 175 MERC. SPORTJET
    1400# empty, 5-5.5 gph @27mph

    24 foot Roberts Bowpicker fiberglass VP350- 260HP 15-16 GPH 22KTS 3300RPM
    SOMETHING NOT RIGHT STILL TRYING TO FIGURE IT OUT AND WILL PROBABLY PUT NEW CARB ON IT.
    RETIRED U.S.A.F. CAPT.; LIFETIME MEMBER NRA; LIFETIME MEMBER ALASKA BOWHUNTER ASSOC.
    MASTER BOWHUNTER EDUCATION INSTRUCTOR; MEMBER UNITED BLOOD TRACKERS; POPE & YOUNG MEASURER

  19. #19
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    18x48 alumacraft jon

    2 stroke carb merc 60/40 jet

    umm hard to say fuel usage because my loads vary a lot from trip to trip. But I can get to alexander creek from deshka landing on 6.5 gal. Fully loaded with 2 ppl 25 gal of extra fuel and enough gear to camp for 4-5 days. I'm talking LOADED down! The way back burns about 10 gal Thats mostly 3/4 to WOT the whole way.

    12 gal tank will last me all day and then some usualy.

    I dont even want to know how much 12 gal of premium gas cost anymore. (I'm sick enough already!)

  20. #20
    Member For Pete Sake's Avatar
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    21 foot harbercraft
    350 kodiak
    3 stage kodiak pump
    my Navman shows i am using between 8 at cruise (on step)and 15 gallons per hour at wot.

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