Always fill the tanks after a flight. If not, the airspace in the tank will condense the moisture out. and you get water in the tank, Virg
On Sat, 11 Feb 2006 09:12:39 -0500 "Kenneth B. Jones" <kenbjo...@cinci.rr.com> writes: > First, I normally run Shell regular mogas in my A-65. > > Two weeks ago, within 3 days of each other, two pilots who have > STC's for > mogas for their production planes volunteered information to me on > their > recent experience using Shell regular. > > The first one, with a Cherokee 140, told me that he had historically > checked > for alcohol each time he bought gas and only used Shell. He never > found any > so he got lax about checking it. He had some recent problems with > rough his > engine sometimes running rough. He checked for alcohol and found > about 8-10% > alcohol. I checked mine and found the same thing. He also checked > a > Marathon station and found alcohol. Then a Mobil station and it > checked > clean. He checked no others. > > The second one, with an older Debonair, always only only used mogas > in one > tank. He took off and was climbing out on the mogas tank when his > engine > started running very rough. He switched tanks and retruned to the > airport. > He said the engine smoothed out shortly after switching back to the > avgas. > He didn't check his mogas for alcohol but just drained it and > refilled with > avgas. The three of us only used Shell and normally bout from the > same > station, but not always. > > My question: "Is it possible for the alcohol (in gasohol) to absorb > enough > water (or does the water absorb the alcohol?) to cause the engine to > run > rough?" Perhaps if one had some water trapped in the tank then > filled with > mogas containing alcohol (for the first time ever) the water would > be > absorbed. > > Ken Jones, kenbjo...@cinci.rr.com > Sharonville, OH > N5834, aka The Porkopolis Flying Pig > KHAO > > ----- Original Message ----- > From: "Mark Langford" > > Here's my question: Has anybody else had water in their fuel, and > if so, > > is > > the symptom that the engine cuts in and out rapidly and more or > less > > sputters and scares the crap out of you? And it comes and goes > with no > > real > > relation to anything else? I'm not used to water in the fuel in > my cars, > > so > > this is a new phenomenon to me! I can't think of anything else > that > > would > > cause this, and the real clue is the fuel mixture meter drops into > the > > super > > lean area while it's misfiring. > > > > _______________________________________ > Search the KRnet Archives at > http://www.maddyhome.com/krsrch/index.jsp > to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net > please see other KRnet info at http://www.krnet.org/info.html > > Virgil N. Salisbury - AMSOIL www.lubedealer.com/salisbury Miami ,Fl