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It honestly depends on the fuel and the additives that are used locally when it is produced.....?? Fuel is not fuel any more..........

I have seen some excessive fuel tanks deteriorate in as little as 12 months from ethanol car fuel. If you have debris inside the fuel tank that is flaking off the best thing to do is drain the fuel tanks, put about 3 feet of chain in the fuel tank and Shake like crazy !?? the chain will break off any of the exposed fibres, you then need to flush the fuel tank as many times as you can to remove the debris and you should be good for another year or two.

Because the debris is normally fibreglass it is almost impossible to see in the fuel filter when it is wet Because it is completely translucent (just like Glass)?? When it dries out however it looks white like rabbit fur or something similar so if you just looking your fuel Filter if it has a glass Shield you may not see that your fuel filter is 90% clogged. It is amazing when you pull the fuel filter apart and the fuel starts to evaporate it looks like all of these fibres are actually growing on the fuel filter as they dry out and become visible.

My XAir tank was whitish, I only used 100 LL , and I never had any debris issues in the Gascolator.?

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Geoff Gartshore

Zenith CH200 GCUD

Waterloo, Ontario, Canada

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Sent from for Windows 10

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From: Pipistrel Moderator
Sent: April 12, 2022 8:58 PM
To: [email protected]
Subject: Re: [XAIR] X Air Hawk fuel tank 'shedding' particles into fuel

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Justin Gregoris wrote on 13/04/2022 10:39 am:

Hello everyone,

I have read that the x air Hanuman comes with two different types/colours of fuel tanks - one that is capable of running avgas and MoGas with ethanol (yellow-ish tan coloured tank), while the other white-clear tank only accepts avgas. Please correct me if I'm wrong.???? I have not heard this ???

Anyway, I have the yellow-tan tank that can accept both grades if fuel. I don't know if the above information is irrelevant, but after 150hrs of fuel tank use (14yrs since new), I am noticing flakes from the material of the fuel tank.

The only fuel that has been run in this plane is 100LL.?

I notice the fuel filter trapping these particles but why is this happening ????? The resin is leaching (being eaten) away by the fuel additives from the fibreglass and the fibres are breaking off, this is your "debris" most probaby

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With regards, Michael Coates Pipistrel Aircraft Master Distributor for USA, Australia & New Zealand AU +61 7 5522 0583 USA +1 213 984 1237 Slovenia +386 3041 6470 Email: info@... Web: Skype: xcomavionics
Pipistrel Aircraft - Dealer of the year 2012 Winner of the EAA August Raspet Award 2012 Pipistrel Aircraft - Dealer of the year 2017

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