gabez

what about the continental?

how does it work if the claim was G100UL is drop in with an STC and then it is not? do they pull the STC?

https://www.avweb.com/aviation-news/california-mechanics-tests-show-g100ul-paint-nitrile-o-ring-damage-under-some-circumstances/ I passed the video to the team at Gami that is on the email chain with my shop

damn!

where does the vapor go? (out of curiosity)

go and look at my mooney, it is spot 02-02 or it is with Terry.

I do. the paint is peeling off from there the fuel is coming out. I am it's not my job, I didn't design the fuel nor commercialized it. This is Gami's job

I went and check on my plane yesterday they are waiting for some planes to leave the hangar so they can bring it inside and open up the tanks. I should have taken pics, maybe I will after the holidays. One new leak from a rivet. I also now have some red-ish drop like stains on top of the tanks. probably from spillage when moving the nozzle.

for me was the fuel vapor check valve. the vapor couldn't go back into the tanks and the pump eventually couldn't push fuel. High fluctuations same graph as urs.

HAHAHHAHAHHAHAH

Wanted to get going a poll to assess pilot experience w/out the commentary.

about 2 weeks into this thread, there are only 2 Mooneys with issues, mine and another one. - How many people here have used G100UL without any problems? - How many have chosen not to use it because of this thread? - How many are using it w/out problem? is there a way to do a poll?

definitely the paperwork that came with the STC was not comprehensive in describing how aggressive the fuel is towards paint. This is not normal good or bad paint, new or old. still waiting on my mechanic to see if this is limited to the co-main or all 4 tanks.

I agree 100% given I am the one with the issue. I think if they would have made stronger and more conservative disclaimers it would have raised more awareness. It is also advertised as having 2-3% more power and therefore you will see less fuel consumption relatively speaking. on 3 flights it was 13.1-13.3 all the way, same as 100LL. It also smells awful not that 100LL is roses but damn......

that fuel is probably gone. but I have about 70 gallons in my plane

all fuel was purchased at KWVI.

Again I did not delete the thread and also changed my password as the admin suggested. so ......

Quoting a response I got from AOPA: "Thanks for contacting AOPA's Pilot Information Center. We're sorry to hear that you had issues with the G100 fuel. We haven't had any reports of paint damage/removal, other than staining when the fuel was exposed to sunlight. We tested the fuel in a Baron and had some observations/issues as well; https://www.aopa.org/news-and-media/all-news/2024/november/pilot/unleaded-fuel-what-we-have-learned ." when you get the STC, you get a little package with the stickers as well as a pad to put on top of the fuel cap while fueling. It is marketed as refueling hygiene, I thought it was a california thing but obviously I was wrong. Attaching pics of the pad and the language around refueling hygiene. Please read. So the fuel will stain your paint unless you follow these steps. Still waiting from my IA/AP

most of my tanks are original we did open up some panels to reposition the aux fuel sump valve....you can see my threads about that. The work was done in may of 2024 (this year) and I hadn't had a problem since. I may have said this before but maybe I didn't. this is a 2 part issues: 1. has the fuel gone through the sealant. or was just a coincidence. I would love to be the latter trust me 2. the damage to my paint is not age or weather related, it's definitely chemical My plan of action stands, I am not pointing any fingers, I am making sure the community is aware of my problem, we will meticulously attack the problem and keep GAMI involved. I offered to send them fuel and paint, I am just not paying for shipping. Once we have all the facts we will go from there. They have the name of the shop and I don't need to be in the middle. It's better to have one plane grounded and dealing with one squeaky wheel than 100s grounded and off we go to the races.

thanks for pointing out I don't have the best painted plane on the lot....however in the 3 years I owned it and used 100LL I never experienced a problem with the paint peeling. The paint is original from 1984. this happened in the span of 1 week, 80 gallons and 3 trips. I will not be convinced the fuel has nothing to do with it. I have no problem with sending fuel samples, paint samples what ever you need. the plane is at KWVI

thread is back up

let's see what he/she says.

reposting pics of the damage just in case

I did not delete the thread.

done