I have two systems: 1. I have a small trailer (like found at K-Mart for $150) with a 150 gal. tank mounted on it, and equipped with an electric fuel pump($250) either 12v or 110v, filter($20), counter($100) and nozzle(comes with pump) obtainable at farm supply stores, for fueling my Cardinal with 100LL. I get it filled by driving 30 miles to the local airport where they sell it to me for $.10 under their usual ramp price (which right now is $1.75-.10=$1.65) I usually stop on my way home with the plane and fill up, but am able to top off before the next trip. The nearest pit stop coming in from the west is about an hour out.
2. For auto fuel for the Coupe, I use a 55 gal drum in a roll around dolly sold expressly for 55 gal. drums which I put in the back of the pickup and fill when I go to town. I use a wobble pump with a filter behind it, which screws into the 2" bung on the drum. These pumps are also sold at farm supply stores and cost about $100. The small vent on the top of the drum is big enough for an unleaded spout, so the pump doesn't even have to be removed to re-fill. Getting 300 lb. of gas filled drum down the ramp out of the back of the pickup is a challenge, but if it were much of a problem, I would simply get another little trailer. The hoses sold with these pumps have static drain wires running through them which electrically connects the source to the destination. So do the ones in gas stations, which is why it is rare to hear about static discharge blowing up cars. So as long as you keep the nozzle in contact with the edge of the tank while filling, there is little chance of blowing things up. It is notable that with a car it is nearly impossible to fuel without making electrical contact, given the size of the inlet. Not so on an airplane. Pumping to me is preferable to using small containers. Especially on a high wing. But even on a low wing, I can fuel without spilling a drop with a little care. I was never able to do that with 5 gal. jugs. BTW, I have an IA neighbor who religously adds Marvel Mistery Oil to his auto gas in his Continental powered Aeronca. It's $9 / gal. at Checker Auto. Dick in Columbus NM.
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