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  #1  
Old 12-27-2022, 02:09 PM
Piper J3's Avatar
Piper J3 Piper J3 is offline
 
Join Date: Nov 2014
Location: Hinckley, Ohio
Posts: 2,856
Default SB 13-3-21 Ethanol in Gasoline

SB 13-3-21 was released 12-20-2022.

Merry Christmas....

https://www.vansaircraft.com/service...ns/sb-13-3-21/
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Jim Stricker - EAA #499867
PPL/ASEL 1970 - Sport Pilot since 2007
80 hrs Flying Aeronca Chief 11AC N86203
1130 hrs Flying 46 Piper J-3 Cub N6841H
Bought Flying RV-12 #120058 Oct 2015 with 48TT - Hobbs now 830

LSRM-A Certificate 2016 for RV-12 N633CM
Special Thanks... EJ Trucks - USN Crew Chief A-4 Skyhawk
MJ Stricker (Father - CFI) - USAAF 1st Lt. Captain B-17H
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  #2  
Old 01-05-2023, 10:01 AM
n74846 n74846 is offline
 
Join Date: Sep 2015
Location: Boca Raton, FL BCT
Posts: 158
Default

Is anybody clutching their chest on this one? I've got 600+ hours now, all on COSTCO av fuel with no issue. I fly 2x week minimum and just put new hoses on. I did not see anything new to worry about but am curious if anyone is changing their fuel regime.
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  #3  
Old 01-26-2023, 01:55 PM
backcountry backcountry is offline
 
Join Date: Dec 2015
Location: Houston, Texas
Posts: 93
Default

Does anyone knows of non-ethanol 93 octane fuel located south side of Houston Texas?
Bucee’s used to have it however they lowered their octane to 87.
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  #4  
Old 01-26-2023, 02:31 PM
bbaggerman bbaggerman is offline
 
Join Date: May 2022
Location: Niceville, FL
Posts: 21
Default

Quote:
Originally Posted by backcountry View Post
Does anyone knows of non-ethanol 93 octane fuel located south side of Houston Texas?
Bucee’s used to have it however they lowered their octane to 87.
Pure-Gas.org purports to show some stations in south Houston.

https://www.pure-gas.org/
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  #5  
Old 01-26-2023, 04:23 PM
Avanza Avanza is offline
 
Join Date: Jul 2020
Location: Vastervik Sweden
Posts: 226
Smile Rotax fuel

If you have a 912UL you can use 87 octane or higher and if you have a 912ULS use 91 octane or higher.

Good luck
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  #6  
Old 01-29-2023, 10:50 AM
HansLab HansLab is offline
 
Join Date: Jan 2015
Location: Netherlands
Posts: 182
Default BP

For what it's worth: someone told me some years ago that after further investigation only BP puts very little ethanol in it's gasoline - I buy BP 98 for my bird since then (Europe, ULS engine)
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  #7  
Old 01-29-2023, 12:27 PM
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 HansLab View Post
For what it's worth: someone told me some years ago that after further investigation only BP puts very little ethanol in it's gasoline - I buy BP 98 for my bird since then (Europe, ULS engine)
You can buy inexpensive ($10USD) test kit to determine % alcohol in auto fuel...
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Jim Stricker - EAA #499867
PPL/ASEL 1970 - Sport Pilot since 2007
80 hrs Flying Aeronca Chief 11AC N86203
1130 hrs Flying 46 Piper J-3 Cub N6841H
Bought Flying RV-12 #120058 Oct 2015 with 48TT - Hobbs now 830

LSRM-A Certificate 2016 for RV-12 N633CM
Special Thanks... EJ Trucks - USN Crew Chief A-4 Skyhawk
MJ Stricker (Father - CFI) - USAAF 1st Lt. Captain B-17H
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  #8  
Old 01-29-2023, 01:47 PM
seagull seagull is offline
 
Join Date: Dec 2019
Location: Highland, CA
Posts: 558
Default

I use Costco premium exclusively except when on trips. Every 6 gallon jug is tested for alcohol content, it always runs between 6-8%. On trips if I can find auto gas close to the airport I always test it before pouring it in. The plane during my ownership has flown 725 hours in the past 35 months, a little north of 3000 gallons. I am based in SoCal with typically very HOT summers. Only once I suspected a situation similar to vapor lock and can't be positive. I always purge the fuel system with the electric pump before starting. I believe that is very important to pushing the heat soaked fuel out and keeping cooler fuel in the lines to the carburetors.

I have my Dynon set to alarm me if the fuel flow drops below 1.8 GPM. If I was to get this alarm it would mean a potential vapor lock situation. In testing (on the ground) at full power and turning the fuel valve off the engine will run for 15 - 20 seconds. In theory if I got the low fuel flow alarm I would have 15+ seconds to make a plan for landing, that's a lot of time in an emergency.
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