Harry, I e-mailed this to myself at work then forward it to a friend who works in the single engine engineering group, (I work for Cessna at the Citation Completion Center). Here is his response. Hope it helps. Good luck. > ---------- > From: David Johnson[SMTP:[EMAIL PROTECTED] > Sent: Wednesday, July 15, 1998 12:27 PM > To: [EMAIL PROTECTED] > Subject: FW: [Fwd: Greens] > > > > > > -----Original Message----- > From: Farwell, Ted > Sent: Monday, July 13, 1998 2:12 PM > To: Johnson, David R > Subject: RE: [Fwd: Greens] > > Beats me. Harry need to send some of the green stuff to a testing lab > and > find out what it is. Most Avgas has some biocide in it since Avgas is > expected to sit in the tank for long periods before burning; gasoline > typically has less of a algae problem than kerosene anyway. Mogas > probably > doesn't have much in the way of biocides since tank time is generally > expected to be short. This could also be a corrosion problem caused by > alcohol/water present in the Mogas; whereas Avgas itself is pretty dry > (most > moisture found in the tanks is usually condensation, sometimes rain). > > -----Original Message----- > From: Johnson, David R > Sent: Monday, July 13, 1998 07:55 > To: Farwell, Ted > Subject: FW: [Fwd: Greens] > > > Any thoughts on this? > DJ > -----Original Message----- > From: [EMAIL PROTECTED] > Sent: Sunday, July 12, 1998 3:53 PM > To: Johnson, David R > Subject: [Fwd: Greens] > > ???????????????????????????????????????????????????????????????????????? > ???? > ?? > Recently, I have noticed a strange thing on pre-flight. On draining the > wing > sumps, I always get a little condensation water - now that water is dark > green.....I have been using Amoco Ultimate 93 Oct Auto fuel for 8 years > or so > - ever since Auto fuel was STC'd through EAA. An occasional 100LL tank > full > when off field. > > Have I picked up the algae prroblem that affects jet fuel ???? That > certainly > is what it looks like, thought I have not looked at the green stuff > under a > microscope. > > I also am experiencing the green stuff - pasty - on the fuel tank cap > clips. > When it drys, it becomes a dry powder, that can be scrapped off the cap > clips. > > I sent info to Amoco Technical, along with samples and photos - They > were not > interested - or so it seems - and only replied ~ we don't know, and > returned > the sample and pictures without any other comment. > > The question is - How do you get rid of the algae? (if it is algae). Is > it > suitable to add "Prist" to the fuel, or some other algacide? I drained > the > tanks, washed them out with fresh fuel, and refilled them with 100LL. > > I saved the old fuel - Amoco Ultimate 93 Octane - and put it in my > autos. > Have > I now contaminated the auto fuel system also??? > > Would appreciate any thoughts or similar experiences/cures. > > Fly Safe - Have Fun > > Harry Francis > 93530 > BCB > > > > >
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