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. Gravity does the work. When the gauge reads full turn the valve off.
Just curious.... why mess with all that air stuff when you buy and use something like this:Gnarls.
First Gravity feed is illegal is several states, and Canada, UK, Europe,Africa, Aussie land etc. Second the fuel, Return and vent connections are on the top of the tank. pumps fail at all the wrong times. The tank is sitting right beside the onboard air, and even if my compressors fail, I can still use a bicycle tire pump to transfer fuel. I have used this type of transfer system on diesel fuel systems before but never a gas system in a pickup .
Why not run them as dual tanks, and a switch on the dash to change between them?
If the aux tank is permanent:
I do not need to carry 300+ (80 Gallon US)liters of fuel everyday.
Hey V-Man,I understand you are an “expedition” traveler.I’m curious where you intend to travel that requires 80+ gallons of fuel, assuming that you would not have access to any other fuel during your trek?80 gallons of gasoline - if a vehicle got 15 MPG - would mean that you could essentially travel from San Diego, California to Seattle Washington without stopping to refuel.Gnarls.
Since it isn't permanent, have you considered going with something like this?
A good idea but the thing is weight. Ounces equal pounds, pounds add up to pain. The ones that would fit in the Tacoma are few and far between. They also weight in at 200 to 300 pounds without fuel. They need a hoist or four guys to put in or take out of the bed.My 50 or 60 gallon tanks I will use weight around 70 including mounts, and are DOT approved to be mounted in exposed locations with no guard.That means that being in a Unexposed location in the bed, they are very safe.
how does the ford f150 that uses gasoline do it?
Since you already have the tank, and it isn't going to be permanently mounted, seems like the easiest thing would be to just use hand pump, or a 12vlt fuel pump and carry a spare, ,over trying to plumb it and pressurize it, or are you required to have a tank that size connected to the vehicles fuel tank.
As for electric pumps or pneumatic transfer system, the question still remains will the main tank have to be physically vents during the fuel transfer to allow displaced air to escape.
I answered that already
My first response.Main tank cap will release pressure at no more than 2 psi
Where do you plan to put the hand pump.
The tank size was selected because it will hold fuel equal to TEN gas cans, but still leave room for the compressor and house batteries to be mounted beside it at the front of the truck bed. Also how long do you want to stand beside the truck with a hose in the fill tube for the main tank when it is -20 with a 30 Mph wind or stopping in the middle of the road to refuel every five hours.
Ok I think people are getting lost in the numbers.The "Bed" tanks plus pumps weight around 250 to 300 WITHOUT fuel.When you add fuel your have a weigh up to 650 to 700 pounds.That is just too much weight.
Not sure where those number came from. My Turner 100gal steel transfer tank with 20' of hose, nozzle, and pump may weigh 75lbs max empty. I pick it up off the ground and set it in the bed of my truck when its empty.Tank in reference can be seen here.
Why not buy one off craigslist in the states and have it shipped?
How do you plan to remove fuel to make mixed gas for chainsaws, run a small generator? Considering where you work/play/explore, one would think you would be well prepared to get out.
So you drive across the border, get it installed, drive home. (Leaving it uninstalled make it too obvious that you just got it)
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