I have been using Shell 98 for 12 months since I purchased my Rotax 912S
Ximango and have no clear fuel lines to look at; they are all covered or
aluminium. I have no fuel leaks and have metal tanks. The aircraft
manual specifies Avgas 100LL!
PeterS
On 19/12/2013 6:27 AM, Ian Mc Phee wrote:
I am wondering if others in Australia are seeing a change in 98 fuel.
Ours comes from Brisbane and I think is from Shell but for past 3
months has a very dark brown stain and more recently there was one lot
with a deep orange colour.
The issue is this new "stain" in 98 fuel really stains even correct
German (with release note) clear fuel line and within say 6 weeks
makes the tube a very dark brown and you can not see fuel in tube.
Also recently Jabiru Aircraft have said DO NOT USE SHELL 98 in Jabiru
aircraft which have fibreglass tanks as it is reacting with the
fibreglass tank. Jabiru now say use 95 or Avgas even though most
Jabiru s require 96
My concerns is this will show up in Turbo and Motorgliders like Duo
and Arcus in the plastic tubes in the LHS of rear seat and may react
with motorgliders like PIK 20 which have glass tanks.
It could well be other states are not having an issue but think it is
worth keeping an eye on and can send photo to anybody who asks. All
this has come in over the last 3 months or so.
Ian McPhee
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