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#12271706 - 05/31/17 03:19 PM Boat Fuel Mileage
redchevy Offline
TFF Celebrity

Registered: 01/25/05
Posts: 6862
Loc: texas
Curious what you fellas think.

Went to the coast this weekend all our running around over a few days we covered about 33 miles on the water, majority of the distance traveled was about 3500-4000 rpm cruising from spot to spot. Boat is a 24' Carolina Skiff DLX with a Suzuki DF150. There were 9 people in the boat(6 adults and 3 kids 6 and under). I filled the tank on the way to the coast and on the way home, have a 28 gallon tank.
Pic of the boat.


How many gallons of gas do you think we burned? I was pretty surprised.

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#12271717 - 05/31/17 03:26 PM Re: Boat Fuel Mileage [Re: redchevy]
gary purdy Offline
TFF Guru

Registered: 05/24/03
Posts: 11205
Loc: Littlefield Tx & Lake A. H. US...
11 gallons
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The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD

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#12271764 - 05/31/17 03:57 PM Re: Boat Fuel Mileage [Re: redchevy]
redchevy Offline
TFF Celebrity

Registered: 01/25/05
Posts: 6862
Loc: texas
Your either lucky or good, I'll let you pick grin

10.2 gallons had it brimming full again. That comes out to 3.2 mpg, I was amazed. Our old boat a 19 foot Carolina skiff with a 1985 70 hp evinrude 2 stroke would have burned 2 times that amount of fuel on the same trip.

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#12271778 - 05/31/17 04:08 PM Re: Boat Fuel Mileage [Re: redchevy]
smooth move Offline
Extreme Angler

Registered: 10/14/12
Posts: 1114
Loc: bayou vista,tx
be careful figuring fuel mileage in a boat can drive you crazy----look it up, it's a fact.
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es le bon ton roulet

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#12271793 - 05/31/17 04:16 PM Re: Boat Fuel Mileage [Re: redchevy]
redchevy Offline
TFF Celebrity

Registered: 01/25/05
Posts: 6862
Loc: texas
I'm probably nutz by some peoples standards already, but its ok I feel the same way about them.

I hadn't even paid it any attention until we filled it up on the way home and it only took 10 gallons. I'm going to have to see if I can get the trip distance off our GPS, because I know the 33 is on the low side as I scaled it off a map straight line.

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#12272106 - 05/31/17 07:34 PM Re: Boat Fuel Mileage [Re: redchevy]
gary purdy Offline
TFF Guru

Registered: 05/24/03
Posts: 11205
Loc: Littlefield Tx & Lake A. H. US...
3 miles per gallon is pretty much normal.
_________________________
The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD

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#12272747 - 06/01/17 07:47 AM Re: Boat Fuel Mileage [Re: gary purdy]
redchevy Offline
TFF Celebrity

Registered: 01/25/05
Posts: 6862
Loc: texas
Originally Posted By: gary purdy
3 miles per gallon is pretty much normal.


Normal for what?

Are the modern 2 strokes doing that well also?

Be it 1985 technology, but our old 2 stroke drank like a fish compared to this.

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#12273026 - 06/01/17 10:03 AM Re: Boat Fuel Mileage [Re: redchevy]
Samsonsworld Offline
TFF Team Angler

Registered: 12/12/08
Posts: 3137
Loc: Oeste Del Tejas
I had pretty much the same experience. I ran my 135hp mercruiser for about 5 hours the other day and used around 10 gallons. I would have used twice that with the old Mercury 150hp 2-stroke.

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#12273152 - 06/01/17 10:49 AM Re: Boat Fuel Mileage [Re: redchevy]
redchevy Offline
TFF Celebrity

Registered: 01/25/05
Posts: 6862
Loc: texas
Did you have 6 adults 3 kids a 225 and a 75 quart ice chest in the boat with a full live well?

I'm really interested in how it compares to modern 2-strokes.

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#12273250 - 06/01/17 11:29 AM Re: Boat Fuel Mileage [Re: redchevy]
Samsonsworld Offline
TFF Team Angler

Registered: 12/12/08
Posts: 3137
Loc: Oeste Del Tejas
LOL! Close. I had about 1000lbs of people plus 3 ice chests plus wet life jackets/towels/tube/kneeboard/misc gear in the boat when I wasn't dragging somebody. We were pretty loaded...and it still sipped the gas. Words I never used with the Mercury 150. That 2-stroke was a 95 model without EFI. I'm sure EFI does a little better.


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#12274074 - 06/01/17 06:57 PM Re: Boat Fuel Mileage [Re: redchevy]
gary purdy Offline
TFF Guru

Registered: 05/24/03
Posts: 11205
Loc: Littlefield Tx & Lake A. H. US...
Originally Posted By: redchevy
Did you have 6 adults 3 kids a 225 and a 75 quart ice chest in the boat with a full live well?

I'm really interested in how it compares to modern 2-strokes.
Read the original post. Lots of information to consider mileage. A motor not propped correctly will use a lot more fuel. The modern 2 strokes will get after the fuel too if you keep your foot in it or put too high a pitched prop on it. Ethanol has hurt motor efficiencies.
_________________________
The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD

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