So here's a question: Aren't you supposed to put the can on the ground before fueling? Because fueling a 15 gallon tank (@ 7 lbs/gallon that's about 100lbs) and then hoisting that SOB onto the roof would not be fun.
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I don't quite understand static electricity but my understanding is that you never fill a fuel can in the back of a pickup, for instance, because of the possibility of a static discharge creating a spark. Wouldn't that be an issue if you wanted to try and refuel this while it is still on the roof or is there some way you can prevent a static spark?
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I see those plastic "Marine" fuel tanks at sporting goods stores and I have often wondered about strapping one to the roof. But my concern about filling it would be my issue.
I personally have never heard of anyone catching a fuel tank on fire...
There are also signs at gas stations that you aren't allowed to use a cell phone while fueling too. (I have seen people light cigarettes nearby with no explosions happening)
I think there's being cautious as a company (the whole CYA thing).... and being cautious as a regular person.... as 2 totally separate things.
As a company (gas stations) you have to be over-cautious.
The only thing I was concerned with when I was filling my big tank up top was spilling onto my roof. I had the tank in a rubber dry bag as well to keep the connections free of ice and crap so that helped a bit.
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