For small volume and easy handling it's been my observation that the 5 gallon racing fuel jugs seems to work the best. I have been hauling a 110 gallon fuel tank around in the back of my truck for the last 40+ years, so have it equipped with an electric pump, water stop filters, and an auto shut off nozzle. I ran Mogas for 35 years, until I moved to Arkansas and the mogas here ate the composite fuel tanks in my SuperCub clone. I still use my big tank for convenience sake but now only run 100LL. Since I only run 100LL now, I've upgraded the engines on two of my planes to 10:1 compression, so now mogas is no longer an option.
-Jeff Scott
Sent: Monday, December 01, 2025 at 3:42 PM
From: "Oscar Zuniga via KRnet" <[email protected]>
To: "KRnet" <[email protected]>
Cc: "Oscar Zuniga" <[email protected]>
Subject: KRnet> autogas refueling
From: "Oscar Zuniga via KRnet" <[email protected]>
To: "KRnet" <[email protected]>
Cc: "Oscar Zuniga" <[email protected]>
Subject: KRnet> autogas refueling
Howdy, Netters;
Seems like it's been slow here on the list for awhile so I thought I'd throw out a question. The plane I sold before I acquired the KR was a Pietenpol Air Camper with a Cont A75 that I operated exclusively on 100LL, but the fueling info sticker on the KR with 2180 Great Plains engine says auto gas. I forget the minimum octane rating, but that's not my question. Since I've never had to mess with autogas for an airplane, I'm wondering about a portable fuel caddy. They are typically of blow-molded poly plastic and the one I looked at on Amazon is a 16 gallon and uses a hand crank to deliver up to about 2 GPM while cranking it at about one revolution per second. Fly two hours, burn 8 gallons, refuel by cranking for about 4 minutes. I see logistics as a bit of a concern since 16 gallons of gas plus the weight of the tank and manual pump adds up to more than 100 lbs and it would be a trick to get that in and out of the back of my little RAV4 with it full. Of course I could crank part of it into the airplane before hoisting it out of the transport vehicle but sooner or later it's got to go to the filling station and get out of the vehicle when full.
Any autogas users care to chime in? I wouldn't be surprised to hear that a fortunate few out there have an unleaded autogas pump right on their airfield ;o) I've got a self-fueling avgas pump about 75 yards from my hangar, but I'm trying to figure out the autogas refueling deal.
Thanks.
Oscar Zuniga
Medford, OR
KR 1-1/2 N335KC in restoration
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