Re: X Air Hawk fuel tank 'shedding' particles into fuel
It will probably take you about one hour to remove everything and
have the tanks lying on the ground
Justin Gregoris wrote on 13/04/2022
11:14 pm:
How involved is it to remove my oem fuel tank and fully clean it
out?
do i just undo the velcro at the bottom of the fuselage to get
to all fastening straps, or will it require more dismantling?
My light yellow tanks started blistering so I
took them out fabricated aluminum tanks and solve my problem.
? Not everyone has a Jabiru engine fitted,??
The Rotax prefers car fuel.
Either way, the fuel tank in the X-Air aircraft is just
vinyl ester resins and they are affected eventually by fuels
of any description, especially when you have to make it as
light and thin as possible.
Best for any fuel still seems to be polyethylene but its
heavy.... ? Look at how many outboard motor fuel tanks there
are around the world that are left outside day and night, in
some and rain and use all sorts of fuels and yet they are
still working after 30 years, can't do that with a
Fiberglass fuel tank.
Geoffrey Gartshore wrote on
13/04/2022 2:03 pm:
Wouldn’t it be safest just to use
only 100 all fuel only, after you have thoroughly cleaned
your tank? ??
Mogas has to be carefully sampled every time to
ensure No ethanol, which is the problem for fibreglass
tanks. ??
While 100 LL can lead to plug fouling if proper
mixture management is not employed, ?I never had that
problem even with my Jabiru engine that had no manual
mixture control. ?The Jabiru engine manual even
recommends using ?100 LL for good engine performance and
cooling. ? My AME highly recommends using AVgas. ? ? He
also says many owners who tout the benefit of their
Mogas STC don’t really realize what the STC means. ? You
don’t just throw in Mogas and take off. ?The STC
requires specific sampling technique prior to a flight
for compliance. ? The “devil is in the details “. ??
Geoff Gartshore
Zenith CH200 GCUD
Waterloo, Ontario?
?
Very interesting and valuable
information, as usual Michael.
I will keep my eye out.
I noticed my gascolator valve
leaking today.
My tank has been completely dry for
3 months. I just put fresh fuel in it and I
thought to open the gascolator. Sure enough, it
started leaking. Now I understand what those white
rabbit like hair particles were.
I did notice these particles in the
fuel filter before but now I will clean it more
often.
Many thanks!
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.
Geoffrey
Gartshore wrote on 13/04/2022 11:20 am:
My XAir tank was
whitish, I only used 100 LL , and I never
had any debris issues in the Gascolator.?
?
Geoff Gartshore
Zenith CH200 GCUD
Waterloo, Ontario,
Canada
?
?
Sent from for Windows 10
?
?
?
?
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
?
--
<02081D2022224A4B96B496D8AC0CBB79.png>
|
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
|

|
<02081D2022224A4B96B496D8AC0CBB79.png>
Pipistrel
Aircraft - Dealer of the year
2012
Winner of the EAA August Raspet
Award 2012
Pipistrel Aircraft - Dealer of
the year 2017
<02081D2022224A4B96B496D8AC0CBB79.png>
|
--
|
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
|
--
|
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
|
--
With regards, Michael Coates
AU +61 7 5522 0583
USA +1 213 984 1237
PIPISTREL AIRCRAFT DEALER OF THE YEAR 2012
Winner of the EAA August Raspet Award 2012
PIPISTREL AIRCRAFT DEALER OF THE YEAR 2017
mailto:mcoates@...
skype name: xcomavionics
Please note: because of the volume of e-mail we are now receiving our replies are
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|
Re: X Air Hawk fuel tank 'shedding' particles into fuel
How involved is it to remove my oem fuel tank and fully clean it out?
do i just undo the velcro at the bottom of the fuselage to get to all fastening straps, or will it require more dismantling?
toggle quoted message
Show quoted text
My light yellow tanks started blistering so I took them out fabricated aluminum tanks and solve my problem.
On Apr 12, 2022, at 11:09 PM, Pipistrel Moderator <pipistrel.aircraft@...> wrote:
? Not everyone has a Jabiru engine fitted,?? The Rotax prefers car fuel.
Either way, the fuel tank in the X-Air aircraft is just vinyl ester resins and they are affected eventually by fuels of any description, especially when you have to make it as light and thin as possible.
Best for any fuel still seems to be polyethylene but its heavy.... ? Look at how many outboard motor fuel tanks there are around the world that are left outside day and night, in some and rain and use all sorts of fuels and yet they are still working after
30 years, can't do that with a Fiberglass fuel tank.
Geoffrey Gartshore wrote on 13/04/2022 2:03 pm:
Wouldn’t it be safest just to use only 100 all fuel only, after you have thoroughly cleaned your tank? ??
Mogas has to be carefully sampled every time to ensure No ethanol, which is the problem for fibreglass tanks. ??
While 100 LL can lead to plug fouling if proper mixture management is not employed, ?I never had that problem even with my Jabiru engine that had no manual mixture control. ?The Jabiru engine manual even recommends using ?100 LL for good engine performance
and cooling. ? My AME highly recommends using AVgas. ? ? He also says many owners who tout the benefit of their Mogas STC don’t really realize what the STC means. ? You don’t just throw in Mogas and take off. ?The STC requires specific sampling technique prior
to a flight for compliance. ? The “devil is in the details “. ??
Geoff Gartshore
Zenith CH200 GCUD
Waterloo, Ontario?
?
Very interesting and valuable information, as usual Michael.
I will keep my eye out.
I noticed my gascolator valve leaking today.
My tank has been completely dry for 3 months. I just put fresh fuel in it and I thought to open the gascolator. Sure enough, it started leaking. Now I understand what those white rabbit like hair particles were.
I did notice these particles in the fuel filter before but now I will clean it more often.
Many thanks!
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.
Geoffrey Gartshore wrote on 13/04/2022 11:20 am:
My XAir tank was whitish, I only used 100 LL , and I never had any debris issues in the Gascolator.?
?
Geoff Gartshore
Zenith CH200 GCUD
Waterloo, Ontario, Canada
?
?
Sent from for Windows 10
?
?
?
?
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
?
--
<02081D2022224A4B96B496D8AC0CBB79.png>
|
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
|

|
<02081D2022224A4B96B496D8AC0CBB79.png>
Pipistrel Aircraft - Dealer of the year 2012
Winner of the EAA August Raspet Award 2012
Pipistrel Aircraft - Dealer of the year 2017
<02081D2022224A4B96B496D8AC0CBB79.png>
|
--
|
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
|
--
|
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
|
|
Re: X Air Hawk fuel tank 'shedding' particles into fuel
My light yellow tanks started blistering so I took them out fabricated aluminum tanks and solve my problem.
toggle quoted message
Show quoted text
On Apr 12, 2022, at 11:09 PM, Pipistrel Moderator <pipistrel.aircraft@...> wrote:
?
Not everyone has a Jabiru engine fitted,?? The Rotax prefers car
fuel.
Either way, the fuel tank in the X-Air aircraft is just vinyl ester
resins and they are affected eventually by fuels of any description,
especially when you have to make it as light and thin as possible.
Best for any fuel still seems to be polyethylene but its heavy.... ?
Look at how many outboard motor fuel tanks there are around the
world that are left outside day and night, in some and rain and use
all sorts of fuels and yet they are still working after 30 years,
can't do that with a Fiberglass fuel tank.
Geoffrey Gartshore wrote on 13/04/2022
2:03 pm:
Wouldn’t it be safest just to use only 100 all fuel only, after
you have thoroughly cleaned your tank? ??
Mogas has to be carefully sampled every time to ensure No
ethanol, which is the problem for fibreglass tanks. ??
While 100 LL can lead to plug fouling if proper mixture
management is not employed, ?I never had that problem even with
my Jabiru engine that had no manual mixture control. ?The Jabiru
engine manual even recommends using ?100 LL for good engine
performance and cooling. ? My AME highly recommends using AVgas.
? ? He also says many owners who tout the benefit of their Mogas
STC don’t really realize what the STC means. ? You don’t just
throw in Mogas and take off. ?The STC requires specific sampling
technique prior to a flight for compliance. ? The “devil is in
the details “. ??
Geoff Gartshore
Zenith CH200 GCUD
Waterloo, Ontario?
?
Very interesting and valuable information,
as usual Michael.
I will keep my eye out.
I noticed my gascolator valve leaking today.
My tank has been completely dry for 3
months. I just put fresh fuel in it and I thought to open
the gascolator. Sure enough, it started leaking. Now I
understand what those white rabbit like hair particles
were.
I did notice these particles in the fuel
filter before but now I will clean it more often.
Many thanks!
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.
Geoffrey Gartshore wrote on
13/04/2022 11:20 am:
My XAir tank was whitish, I
only used 100 LL , and I never had any debris issues
in the Gascolator.?
?
Geoff Gartshore
Zenith CH200 GCUD
Waterloo, Ontario, Canada
?
?
Sent from for Windows 10
?
?
?
?
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
?
--
<02081D2022224A4B96B496D8AC0CBB79.png>
|
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
|

|
<02081D2022224A4B96B496D8AC0CBB79.png>
Pipistrel Aircraft
- Dealer of the year 2012
Winner of the EAA August Raspet Award
2012
Pipistrel Aircraft - Dealer of the year
2017
<02081D2022224A4B96B496D8AC0CBB79.png>
|
--
|
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
|
--
|
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
|
|
Re: X Air Hawk fuel tank 'shedding' particles into fuel
Not everyone has a Jabiru engine fitted,?? The Rotax prefers car
fuel.
Either way, the fuel tank in the X-Air aircraft is just vinyl ester
resins and they are affected eventually by fuels of any description,
especially when you have to make it as light and thin as possible.
Best for any fuel still seems to be polyethylene but its heavy.... ?
Look at how many outboard motor fuel tanks there are around the
world that are left outside day and night, in some and rain and use
all sorts of fuels and yet they are still working after 30 years,
can't do that with a Fiberglass fuel tank.
Geoffrey Gartshore wrote on 13/04/2022
2:03 pm:
Wouldn’t it be safest just to use only 100 all fuel only, after
you have thoroughly cleaned your tank? ??
Mogas has to be carefully sampled every time to ensure No
ethanol, which is the problem for fibreglass tanks. ??
While 100 LL can lead to plug fouling if proper mixture
management is not employed, ?I never had that problem even with
my Jabiru engine that had no manual mixture control. ?The Jabiru
engine manual even recommends using ?100 LL for good engine
performance and cooling. ? My AME highly recommends using AVgas.
? ? He also says many owners who tout the benefit of their Mogas
STC don’t really realize what the STC means. ? You don’t just
throw in Mogas and take off. ?The STC requires specific sampling
technique prior to a flight for compliance. ? The “devil is in
the details “. ??
Geoff Gartshore
Zenith CH200 GCUD
Waterloo, Ontario?
?
Very interesting and valuable information,
as usual Michael.
I will keep my eye out.
I noticed my gascolator valve leaking today.
My tank has been completely dry for 3
months. I just put fresh fuel in it and I thought to open
the gascolator. Sure enough, it started leaking. Now I
understand what those white rabbit like hair particles
were.
I did notice these particles in the fuel
filter before but now I will clean it more often.
Many thanks!
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.
Geoffrey Gartshore wrote on
13/04/2022 11:20 am:
My XAir tank was whitish, I
only used 100 LL , and I never had any debris issues
in the Gascolator.?
?
Geoff Gartshore
Zenith CH200 GCUD
Waterloo, Ontario, Canada
?
?
Sent from for Windows 10
?
?
?
?
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
?
--
<02081D2022224A4B96B496D8AC0CBB79.png>
|
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
|

|
<02081D2022224A4B96B496D8AC0CBB79.png>
Pipistrel Aircraft
- Dealer of the year 2012
Winner of the EAA August Raspet Award
2012
Pipistrel Aircraft - Dealer of the year
2017
<02081D2022224A4B96B496D8AC0CBB79.png>
|
--
|
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
|
--
|
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
|
|
Re: X Air Hawk fuel tank 'shedding' particles into fuel
Wouldn’t it be safest just to use only 100 all fuel only, after you have thoroughly cleaned your tank? ??
Mogas has to be carefully sampled every time to ensure No ethanol, which is the problem for fibreglass tanks. ??
While 100 LL can lead to plug fouling if proper mixture management is not employed, ?I never had that problem even with my Jabiru engine that had no manual mixture control. ?The Jabiru engine manual even recommends using ?100 LL for good engine performance and cooling. ? My AME highly recommends using AVgas. ? ? He also says many owners who tout the benefit of their Mogas STC don’t really realize what the STC means. ? You don’t just throw in Mogas and take off. ?The STC requires specific sampling technique prior to a flight for compliance. ? The “devil is in the details “. ??
Geoff Gartshore Zenith CH200 GCUD Waterloo, Ontario?
toggle quoted message
Show quoted text
On Apr 12, 2022, at 9:30 PM, Justin Gregoris <jgregoris789@...> wrote:
?
Very interesting and valuable information, as usual Michael.
I will keep my eye out.
I noticed my gascolator valve leaking today.
My tank has been completely dry for 3 months. I just put fresh fuel in it and I thought to open the gascolator. Sure enough, it started leaking. Now I understand what those white rabbit like hair particles were.
I did notice these particles in the fuel filter before but now I will clean it more often.
Many thanks!
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.
Geoffrey Gartshore wrote on 13/04/2022 11:20 am:
My XAir tank was whitish, I only used 100 LL , and I never had any debris issues in the Gascolator.?
?
Geoff Gartshore
Zenith CH200 GCUD
Waterloo, Ontario, Canada
?
?
Sent from for Windows 10
?
?
?
?
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
?
--
<02081D2022224A4B96B496D8AC0CBB79.png>
|
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
|

|
<02081D2022224A4B96B496D8AC0CBB79.png>
Pipistrel Aircraft - Dealer of the year 2012
Winner of the EAA August Raspet Award 2012
Pipistrel Aircraft - Dealer of the year 2017
<02081D2022224A4B96B496D8AC0CBB79.png>
|
--
|
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
|
|
Re: X Air Hawk fuel tank 'shedding' particles into fuel
Very interesting and valuable information, as usual Michael.
I will keep my eye out.
I noticed my gascolator valve leaking today.
My tank has been completely dry for 3 months. I just put fresh fuel in it and I thought to open the gascolator. Sure enough, it started leaking. Now I understand what those white rabbit like hair particles were.
I did notice these particles in the fuel filter before but now I will clean it more often.
Many thanks!
toggle quoted message
Show quoted text
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.
Geoffrey Gartshore wrote on 13/04/2022 11:20 am:
My XAir tank was whitish, I only used 100 LL , and I never had any debris issues in the Gascolator.?
?
Geoff Gartshore
Zenith CH200 GCUD
Waterloo, Ontario, Canada
?
?
Sent from for Windows 10
?
?
?
?
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
?
--

|
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

|
--
|
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
|
|
Re: X Air Hawk fuel tank 'shedding' particles into fuel
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.
Geoffrey Gartshore wrote on 13/04/2022
11:20 am:
My XAir tank was whitish, I only used 100
LL , and I never had any debris issues in the Gascolator.?
?
Geoff Gartshore
Zenith CH200 GCUD
Waterloo, Ontario, Canada
?
?
Sent from for Windows 10
?
?
?
?
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
?
--

|
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

|
--
|
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
|
|
Re: X Air Hawk fuel tank 'shedding' particles into fuel
Yes sir - you are bang on.
So what do I do??
Replacing the tank is out of the question for me.
Do I simply and constantly clean the fuel filter every 10hours??
toggle quoted message
Show quoted text
My XAir tank was whitish, I only used 100 LL , and I never had any debris issues in the Gascolator.?
?
Geoff Gartshore
Zenith CH200 GCUD
Waterloo, Ontario, Canada
?
?
Sent from for Windows 10
?
?
?
?
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
?
--

|
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

|
|
Re: X Air Hawk fuel tank 'shedding' particles into fuel
My XAir tank was whitish, I only used 100 LL , and I never had any debris issues in the Gascolator.? ? Geoff Gartshore Zenith CH200 GCUD Waterloo, Ontario, Canada ? ? Sent from for Windows 10 ? ?
toggle quoted message
Show quoted text
From: Pipistrel ModeratorSent: April 12, 2022 8:58 PM To: [email protected]Subject: Re: [XAIR] X Air Hawk fuel tank 'shedding' particles into fuel ? ? 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
? -- 
| 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 
|
|
Re: X Air Hawk fuel tank 'shedding' particles into fuel
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
--
|
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
|
|
X Air Hawk fuel tank 'shedding' particles into fuel
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.
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 ?
|
Re: Asi and Vsi and altimeter on X Air Hanuman
You should find the static port on the instrument has ?just not been ?connected, and the static port vents into the cockpit area. Just do not breathe too heavily! (Sorry, not one of my better jokes). Mo.
toggle quoted message
Show quoted text
On 30 Mar 2022, at 00:47, Justin Gregoris <jgregoris789@...> wrote:
?Excuse my ignorance, but all VSI have a static port, subsequently having a line/hose going from the indicator to somewhere inside or outside the cabin of the plane?
I can't find where my static port is - my pitot tube only has one hose and one port so I am guessing my plane does have a static port that is affixed to outside the aircraft?
|
Re: Asi and Vsi and altimeter on X Air Hanuman
Okay excellent. Thank you for letting me know this information. If I feel like modifying my current setup, I will take pictures and repost you this group for further guidance.
This sounds correct, you can actually leave the static port open behind the instrument panel because it is not going to make that much difference the speed you will be flying especially with the amount of leakage into the cockpit area. You will find it
might read a little bit high in cruise but will be very accurate closer to landing speeds.
Normally we just fit a piece of plastic tubing, heat and then crimp the end of the tubing with pliers so it is sealed and then heat a piece of lock wire and put it through the plastic tubing so there is just a small hole for the air pressure to go through rather
than somewhere large for some insect to make a home.
You can if you wish, run a tube out into the wings to get slightly better accuracy but the difference is only going to be 1 or 2 kn maximum at cruise speed so it is hardly worth the effort
Justin Gregoris wrote on 30/03/2022 9:47 am:
Excuse my ignorance, but all VSI have a static port, subsequently having a line/hose going from the indicator to somewhere inside or outside the cabin of the plane?
I can't find where my static port is - my pitot tube only has one hose and one port so I am guessing my plane does have a static port that is affixed to outside the aircraft?
--
With regards, Michael Coates
AU +61 7 5522 0583
USA +1 213 984 1237
PIPISTREL AIRCRAFT DEALER OF THE YEAR 2012
Winner of the EAA August Raspet Award 2012
PIPISTREL AIRCRAFT DEALER OF THE YEAR 2017
mailto:mcoates@...
skype name: xcomavionics
Please note: because of the volume of e-mail we are now receiving our replies are
done using voice recognition software in an effort to speed up the reply process.
Sometimes the voice recognition program inserts silly words or doesn't actually
do what it is meant to do. Occasionally these mistakes get through our quick
proofreading of each e-mail sent, so please accept my apologies if the odd mistake
gets through.
Legal Notice: The information contained in this email is confidential
and intended only to be read by the person(s) to whom it is addressed.
No one is authorized to copy, use, disclose, distribute or rely on this
information for any purpose whatsoever. If this communication has been
sent to you in error, please email the sender and delete the message.
"Amateurs practice till they get it right;
Professionals practice till they can’t get it wrong."
|
Re: Asi and Vsi and altimeter on X Air Hanuman
This sounds correct, you can actually leave the static port open
behind the instrument panel because it is not going to make that
much difference the speed you will be flying especially with the
amount of leakage into the cockpit area. You will find it might read
a little bit high in cruise but will be very accurate closer to
landing speeds.
Normally we just fit a piece of plastic tubing, heat and then crimp
the end of the tubing with pliers so it is sealed and then heat a
piece of lock wire and put it through the plastic tubing so there is
just a small hole for the air pressure to go through rather than
somewhere large for some insect to make a home.
You can if you wish, run a tube out into the wings to get slightly
better accuracy but the difference is only going to be 1 or 2 kn
maximum at cruise speed so it is hardly worth the effort
Justin Gregoris wrote on 30/03/2022
9:47 am:
Excuse my ignorance, but all VSI have a static port, subsequently
having a line/hose going from the indicator to somewhere inside or
outside the cabin of the plane?
I can't find where my static port is - my pitot tube only has one
hose and one port so I am guessing my plane does have a static
port that is affixed to outside the aircraft?
--
With regards, Michael Coates
AU +61 7 5522 0583
USA +1 213 984 1237
PIPISTREL AIRCRAFT DEALER OF THE YEAR 2012
Winner of the EAA August Raspet Award 2012
PIPISTREL AIRCRAFT DEALER OF THE YEAR 2017
mailto:mcoates@...
skype name: xcomavionics
Please note: because of the volume of e-mail we are now receiving our replies are
done using voice recognition software in an effort to speed up the reply process.
Sometimes the voice recognition program inserts silly words or doesn't actually
do what it is meant to do. Occasionally these mistakes get through our quick
proofreading of each e-mail sent, so please accept my apologies if the odd mistake
gets through.
Legal Notice: The information contained in this email is confidential
and intended only to be read by the person(s) to whom it is addressed.
No one is authorized to copy, use, disclose, distribute or rely on this
information for any purpose whatsoever. If this communication has been
sent to you in error, please email the sender and delete the message.
"Amateurs practice till they get it right;
Professionals practice till they can’t get it wrong."
|
Asi and Vsi and altimeter on X Air Hanuman
Excuse my ignorance, but all VSI have a static port, subsequently having a line/hose going from the indicator to somewhere inside or outside the cabin of the plane?
I can't find where my static port is - my pitot tube only has one hose and one port so I am guessing my plane does have a static port that is affixed to outside the aircraft?
|
Re: X Air Hanuman bungee cord rear landing gear and sail cloth
The owner who built my X Air had 12mm bungee cords on all 4 attachment points - all of which had different measurements! Some cords were 50 inches long while others were 44 inches long. That's why the left pilot seat was always sagging.
I replaced all 4 pieces with 10mm cords at 80 inches long for each piece - the suggested 60 inches didn't seem robust enough. The suspension sag and rebound is incredible now - and since I have lots of cord, I can always cut and remove cord as I see fit.
The cord was only 60 cents CDN per foot. Totally worth the $40 cdn to replace.
|
Mine came in at 640lbs.
I thought it would have been lighter but it is what it is - all good.
|
Re: Remove Bing carb for servicing on the X Air Hawk Hanuman
For anyone that is interested - Bing 40mm carburetor was fairly straightforward on my jab 2200 X Air Hanuman. The exhaust muffler was removed and it slipped off with a little bit of patience and effort.
Upon inspection, the carburetor was fairly dirty with carbon due to it not being inspected for 14 years in service. It was cleaned in an ultrasonic cleaner and all of rings and consumable parts replaced, including the rubber diaphragm.
The Rotax dealer who serviced the bing carburetor was surprised it lasted this long with zero mechanical issues or failure. Needless to say all is well and it should be good to go for at least another 5 years.
|
I have the 2nd gen jab 2200
What engine ??
Justin Gregoris wrote on 15/03/2022 11:45 am:
Hello again,
My X Air Hanuman came in at about 640lbs.
I weighed it with: no fuel but oil in the crankcase, vertical speed indicator, air speed indicator, turning Bank coordinator, voltage and timer gauge, electronic instrument panel, Garmin navigation 296, standard handheld radio, small fire extinguisher, no wheel
pants, Cincinnati Grand adjustable propeller, Garmin transponder, small first aid kit, fuel gauge, and that's about it. Does this seem heavy? I recall looking in the pilot operating handbook that it should come in at about 610 lb instead of 640 lb dry. What
is everybody else's airplane weighing in at?
--
With regards, Michael Coates
AU +61 7 5522 0583
USA +1 213 984 1237
PIPISTREL AIRCRAFT DEALER OF THE YEAR 2012
Winner of the EAA August Raspet Award 2012
PIPISTREL AIRCRAFT DEALER OF THE YEAR 2017
mailto:mcoates@...
skype name: xcomavionics
Please note: because of the volume of e-mail we are now receiving our replies are
done using voice recognition software in an effort to speed up the reply process.
Sometimes the voice recognition program inserts silly words or doesn't actually
do what it is meant to do. Occasionally these mistakes get through our quick
proofreading of each e-mail sent, so please accept my apologies if the odd mistake
gets through.
Legal Notice: The information contained in this email is confidential
and intended only to be read by the person(s) to whom it is addressed.
No one is authorized to copy, use, disclose, distribute or rely on this
information for any purpose whatsoever. If this communication has been
sent to you in error, please email the sender and delete the message.
"Amateurs practice till they get it right;
Professionals practice till they can’t get it wrong."
|
What engine ??
Justin Gregoris wrote on 15/03/2022
11:45 am:
Hello again,
My X Air Hanuman came in at about 640lbs.
I weighed it with: no fuel but oil in the crankcase, vertical
speed indicator, air speed indicator, turning Bank coordinator,
voltage and timer gauge, electronic instrument panel, Garmin
navigation 296, standard handheld radio, small fire extinguisher,
no wheel pants, Cincinnati Grand adjustable propeller, Garmin
transponder, small first aid kit, fuel gauge, and that's about it.
Does this seem heavy? I recall looking in the pilot operating
handbook that it should come in at about 610 lb instead of 640 lb
dry. What is everybody else's airplane weighing in at?
--
With regards, Michael Coates
AU +61 7 5522 0583
USA +1 213 984 1237
PIPISTREL AIRCRAFT DEALER OF THE YEAR 2012
Winner of the EAA August Raspet Award 2012
PIPISTREL AIRCRAFT DEALER OF THE YEAR 2017
mailto:mcoates@...
skype name: xcomavionics
Please note: because of the volume of e-mail we are now receiving our replies are
done using voice recognition software in an effort to speed up the reply process.
Sometimes the voice recognition program inserts silly words or doesn't actually
do what it is meant to do. Occasionally these mistakes get through our quick
proofreading of each e-mail sent, so please accept my apologies if the odd mistake
gets through.
Legal Notice: The information contained in this email is confidential
and intended only to be read by the person(s) to whom it is addressed.
No one is authorized to copy, use, disclose, distribute or rely on this
information for any purpose whatsoever. If this communication has been
sent to you in error, please email the sender and delete the message.
"Amateurs practice till they get it right;
Professionals practice till they can’t get it wrong."
|