Fuel tank size

[fishin couillon]

I have a "36" gal. tank in the boat. It has a tag with the information on it. But when i do the calculation of the size it come out to 42 Gallons. I would have to say that the math does not lie. So do i really have a 42 Gallon tank? The reason for this is i got the Lowrance fuel flow sensor and i'm inputing the information to calibrate it so i'm trying to figure out how much fuel is in the tank now. I have about 15 Gals but when i was double checking the math, i came across this problem. Anyone know what's going on????????????

[fishin couillon]

Anybody???????????

[1mo'skeeter]

Are you still pimpin the SX 190???

I am going to go measure mine and do some math also.....

I will update here shortly...Stay tuned..

[fishin couillon]

Yeah, still pimping...... Since i'll have it for a long time, i'll fix it up the way i would like it. At this point, i assume that you have the large rectangle tank as me. The dims on mine are 59" L x 13" W x 12.5" Deep.

[dirtmonkey]

fuel flow sensor? WTH?

[fishin couillon]

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by dirtmonkey &raquo;</TD></TR><TR><TD CLASS="quote">fuel flow sensor? WTH?</TD></TR></TABLE> I bought the sensor and added it to my lowrance network. It tells you how much fuel your using.

[dirtmonkey]

You ain't got no gas gauge?

[mark Z21]

never trust a fuel gage, there notoriously off!!!, that lowance unit sounds cool. My tankk has a notch molded into the front side, if yours does too, and you cant see it well, that could be your difference

[DavidnTex]

Not counting wall thickness that would be 5.54 cubic feet which is 41.5 gallons. If you account for 1/2" wall thickness then it os 4.63 CF or 34.63 gallons.... so the 36 gallons is probably close.....

[1mo'skeeter]

Yea, mine are the exact same dimensions. I know mine says the same thing as far as gallons.....

I remember filling up once when the tank was pretty much empty......I put 38 gallons in it....

I just figured they "undersized" the rating to allow for expansion.....I know my vehicles always hold more fuel than what is listed....

I never really put much thought into it....

[fishin couillon]

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by dirtmonkey &raquo;</TD></TR><TR><TD CLASS="quote">You ain't got no gas gauge? </TD></TR></TABLE> Yes but after 2 sending units, it's still not right. 1/2 tank shows 1/8 tank on guage. And no i, was never stuck on a river w/o gas and someone pumping the bulb like someone on here.

David, i did not take the wall thickness factor. I got someone at the office to double check my math and came out with what i got. If figured it would be + or - a gallon.

Thanks all, i'll have to reset the fuel amount.

[dirtmonkey]

I was just kidding about the gauge... mine goes all over the place.

With my 24 gallon tank, it's about 12" tall, so I marked it off every 2" or so with a paint pen and figured those to be about 2 gallons each. I normally fill back up if it gets below 1/2 tank. I judge how much I used by wherever the gas lines up after the trip. Say I start out on 2 and it drops down to 6, I've used 4 gallons....

Redneck physics...