How to measure fuel tanks

Discussion in 'Ask An Owner Operator' started by Luke700, Nov 12, 2021.

  1. Cattleman84

    Cattleman84 Road Train Member

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    You obviously have never atarted a fire using diesel and a match. If you DROP the match into a puddle of diesel it will most likely be exstiguished... But if you hold the flame close to the puddle for a few seconds, it will warm the diesel causing it to evaporate... Then the fumes will ignite. Once the flame is hot enough it will burn the fluid diesel aswell.

    Diesel requires compression (or extreme heat) to Explode... Not combust. Gasoline can explode with a flame alone under the right situations.

    Edit: Trust me when I say, "I have very personal experience with accelerants, amd the possible consequences they can pose."
     
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  3. rch10007

    rch10007 Medium Load Member

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    Everything has an ignition point.
     
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  4. Snow Hater

    Snow Hater Medium Load Member

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    Steel will burn if it gets hot enough.
     
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  5. REO6205

    REO6205 Trucker Forum STAFF Staff Member

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    Don't bet your life on that.
    A few years ago a tanker lost a set of trailer tires. It was a pup trailer so that corner of the trailer dropped enough to contact the roadway. The remaining pieces of hub and axle got hot and grenaded up into the tank.
    The tank was punctured and immediately caught on fire. The truck was, of course, fully stopped by this time on a slight downhill grade. The burning diesel that ran out of the tank was running down the road under the truck and caught the truck tires on fire. That in turn melted the cargo tank on the truck and it also burned.
    When it was all over they hauled what was left of that truck and trailer home in a pickup. Lug nuts, rear end housings, and some axles were all that was left.
    Don't try to tell those guys that diesel doesn't burn.
     
  6. SteveScott

    SteveScott Road Train Member

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    Formula for a round tank with no steps.

    3.1416 X Radius in inches X Radius in inches X Height (or length) in inches / 1728 = Cubic Feet

    Then take the cubic feet X 7.48 to get the number of gallons

    (7.48 is the number of gallons there are in a cubic foot)

    Otherwise, many tanks have the gallons engraved on the tank somewhere near the filler opening. It might be hidden under crud or scratched so bad you can't read it.
     
  7. Rideandrepair

    Rideandrepair Road Train Member

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    Yep, throw a match in diesel tank, it will go out. Spark a match within a few feet of gasoline. BBQ time.
     
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  8. SteveScott

    SteveScott Road Train Member

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    That is just plain incorrect. Diesel has a higher flash point than gasoline, but once it reaches that flash point of between 126 and 205 degrees F it will flash just like gasoline. So if you spill a little diesel on a hot parking lot on a summer day and drop a match on it, yes it will flare up just like gasoline. Or if you're driving in the southwest on a very hot day, the temperature of the diesel in your tanks could very well already be near the flash temperature. That's also why fires that happen on commercial trucks almost always start in the engine compartment or a reefer engine. A fuel leak onto a hot engine block just needs a little spark and BOOM.

     
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  9. Rideandrepair

    Rideandrepair Road Train Member

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    That’s a better explanation. We used to use diesel in Kerosene heaters in winter on the Farmers mkt. Light the top of diesel tank on fire. Burns all day. Great big stack on it. Smokey while lighting. Once it’s going, not bad at all.
     
  10. feldsforever

    feldsforever Road Train Member

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    I'm not sticking a match in anything after I didn't properly vent a brush pile under a snow bank. I don't know about dieseal but gas will find the easiest path of resistance. Even if my face was in the way. It was fast. That much I do know
     
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  11. skallagrime

    skallagrime Road Train Member

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    Eh, the article itself is worth the read and better laid out, look at table 1
     
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