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  #21  
Old 11-03-2022, 07:56 AM
Piper J3's Avatar
Piper J3 Piper J3 is offline
 
Join Date: Nov 2014
Location: Hinckley, Ohio
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Quote:
Originally Posted by Brett H View Post
Out of curiosity, why do you transfer the fuel from the 5 gallon containers to the 15 gallon container before transferring it to the fuel tank rather than transferring it from the 5 gallon containers to the fuel tank?
I’ll turn 70 this year. I used to have Briggs Stratton 5-Gallon containers and lift them to fuel the RV-12. I used EZ-Pour fuel spout which emptied the container very quickly.

I can no longer lift fuel containers to pour into the filler neck… so I devised this simple method for safely transporting fuel without heavy/ sustained lifting. I’d like to fly another ten years as I age and I think this fueling method is part of the solution…

I have gained a healthy respect for the 912 ULS… when handling the four fuel containers with 5-gallons each, I realize how hard the engine/airplane have to work when climbing ~ 1000 FPM at near gross weight. Very efficient engine that is well matched to the airframe….
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Bought Flying RV-12 #120058 Oct 2015 with 48TT - Hobbs now 830

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  #22  
Old 11-03-2022, 08:25 AM
PilotBrent PilotBrent is offline
 
Join Date: Dec 2011
Location: Hackettstown, NJ
Posts: 540
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Quote:
Originally Posted by seagull View Post
My friend stores 40 gallons of 100ll in his hanger. He keeps it in aluminum tanks in the wings of his Mooney, oh wait that’s safer😂.
And the aircraft tanks are VENTED into the hanger. I don't think these fire dept inspectors understand aircraft fuel systems.
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RV-12, N913BC - EAA Light Plane Silver Lindy (2016)
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  #23  
Old 11-03-2022, 09:01 AM
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jrtens jrtens is offline
 
Join Date: Apr 2018
Location: Seattle
Posts: 288
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Back to the OP - you will want to use the freshest gas possible which means using a high volume station (Costco - good). And then fueling on the day you fly. Most of your flights will be local so probably burning less than 5 gallons. Which means in practice you will only be using one of the cans most of the time - leaving 5 gallons in the plane and putting in 5 gallons for the day's flight. So a pump is nice but optional. Pouring in one can only takes a few minutes - you can use a stepstool to make it easier. Having three cans is still a good idea for the days when you go out and back or cross country.

Safety note: Always place your can on the ground when filling at the station. And you should have a grounding wire from the plane to your can.
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Last edited by jrtens : 11-03-2022 at 09:14 AM.
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  #24  
Old 11-03-2022, 03:39 PM
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DaleB DaleB is offline
 
Join Date: Sep 2012
Location: Omaha, NE (KMLE)
Posts: 2,364
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Quote:
Originally Posted by Piper J3 View Post
Vapor lock at altitude is a manageable problem... Vapor lock on takeoff can result in a very bad day. Pay attention to heat-soak on the ground. I had vapor lock in early spring (winter fuel) on a warm day. Repeated takeoff / landings with long downwind taxi. Engine decided it wanted to quit making power at about 400’ AGL. 912 ULS tried to shake itself loose from the airframe and almost succeeded. Gets your full attention really quick…..
I can also testify that it will indeed get your full and undivided attention in an instant, and you can skip your next cardiac stress test. In our case it was winter blend gas and the weather had warmed up while we did some extended maintenance. Lesson learned.

In our case it was difficult to reproduce on the ground. Only running at full power for a minute or so would do it, and even then not reliably. Troubleshooting that was not a happy time for us. Me especially, since I was the test pilot during both incidents.
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  #25  
Old 11-03-2022, 03:44 PM
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Amadeus Amadeus is offline
 
Join Date: Nov 2020
Location: Basalt, CO/Lexington, KY
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Fortunately I have a mogas station nearby that offers an ethanol free 93 octane unleaded. Before this I would mix the ethanol free 90 octane 50:50 with 93 octane unleaded from Costco. Net result is a 91.5 octane mogas with half the ethanol.

I use Flo-Fast 10 (I think they might be called 10.5) gallon with the Flo-Fast crank pump.

When I will be flying more than 1.5 - 2 hours one way I throw one or two empty plastic 5 gallon cans and a funnel in the baggage area and utilize a crew car to run to the nearest gas station for premium unleaded.
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