I've heard and experienced all good for Caltex Vortex 98 here in Richmond, NSW...used in GA and ultralights. My guess is that it will be location dependent and the quality of the service station tanks.
Darin On Thu, Dec 19, 2013 at 7:53 AM, Laurie Hoffman <[email protected]>wrote: > Hi Ian, > > There was recent discussion here on Shell 98 containing a much higher > level of unstable volatiles than BP (from Rob I think). We have been trying > to use BP 98 in preference. > > I would imagine that aside from the fuel line staining you are > experiencing that with such deposits building up over time this cant be > good for the whole fuel system especially carb and electric fuel pump > components, let alone the possibility of any long term chemical reaction > with materials. > > *Regards* > > *Laurie Hoffman * > SYDNEY MOTOR GLIDER FLIGHT GROUP > > > > > > > On Thursday, 19 December 2013 7:29 AM, Ian Mc Phee <[email protected]> > 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 > > _______________________________________________ > Aus-soaring mailing list > [email protected] > To check or change subscription details, visit: > http://lists.internode.on.net/mailman/listinfo/aus-soaring > > > _______________________________________________ > Aus-soaring mailing list > [email protected] > To check or change subscription details, visit: > http://lists.internode.on.net/mailman/listinfo/aus-soaring >
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