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It seems rather silly to worry about the effects of MOGAS on certain types of bladders for other aircraft. I would assume these are not eligible for an STC. You should only use approved fuel, whatever it is. If there is an STC then these issues have been delt with. Just because an individual has an AP or because fuel comes out of a truck with "avgas" painted on the side, OR because an STC is in place, there is never any guarantee. We must use our own intelligence and judgment to make sure we are safe. AVGAS is NOT insurance. Vigilance and careful inspection is. The pilot in command is ultimately responsible for his safety. Is a typical gallon of avgas more likely to be free of contaminants? Probably so. Should you bet your life on it? I sure wouldn't. It is certainly possible for an FBO to pump 100LL avgas with water in it, it's just less likely on the average - always check the sumps! What I see is a compelling argument to be very very careful and selective when purchasing MOGAS fuel, perhaps much more so than with AVAGS. What I do not see is a compelling argument for the inherent superiority of AVGAS over MOGAS in our engines when both are carefully chosen and inspected for contaminants or undesirable additives IF there is an STC. . Artie N2666H ----- Original Message ----- From: Bob Saville <mailto:[EMAIL PROTECTED]> To: Jim Duffy <mailto:[EMAIL PROTECTED]> Cc: Percy Wood <mailto:[EMAIL PROTECTED]> ; Andy <mailto:[EMAIL PROTECTED]> Anderson ; [email protected] Sent: Tuesday, December 10, 2002 12:18 PM Subject: Re: [COUPERS-FLYIN] Ercoupe 415-CD Registration C-FXJK Nonfatal ----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]---- I've been using mo-gas in my coupe (C-75) since I bought it in 1986. Also the previous two owners had been using it since back in the 50's. When I bought it I applied for the 'auto gas STC' so now it's legal but that paper didn't make it run any differently. All of the airports in my area have stopped selling 80 octane now so there may be more planes (not only Ercoupes) burning mo-gas. I've been in the situation (away from home base) when I had to purchase 'Airport gas' so I've used both 80 and 100 octane from time to time and I can't tell any difference in performance with any of them. BTW....mo-gas in my area is currently $1.23 per gallon and the last I noticed at the local airports, av-gas was $2.25. Bob Saville Jim Duffy wrote: ----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]---- As an A&P, I get asked all the time what I think of using auto fuel in airplanes. I reply, that there is no quality control in auto fuel system to insure that there is no water in the fuel, I remember one year here just before the deer hunt a major supplier delivered thousands of gallons of auto fuel to service stations in the area that was loaded with water needless to say a lot of hunters didn't make the deer hunt it would have been worse if it had been airplanes. In addition most major suppliers of overhauled and new cylinders for engines comes with a warning Void warranty if auto fuel used. There must be a reason! Also the suppliers of fuel bladders void their warranty if auto fuel is used as the benzene in the fuel deteriorates the rubber. And last but not least in most parts of the country they are adding alcohol to the fuel to meet the clean air act. What does alcohol do to your fuel system? An Ercoupe hardly justifies the risks involved a few pennies earned when burning 5-8 gallons per hour aren't worth it. I wonder how many aircraft are in the scrap heaps due to fuel contamination not only water but other contaminants as well. Avgas is pretty cheap insurance. Jim N87349 ----- Original Message ----- From: "Percy Wood" <[EMAIL PROTECTED]> To: "Andy Anderson" <[EMAIL PROTECTED]>; <[email protected]> Sent: Monday, December 09, 2002 11:43 PM Subject: Re: [COUPERS-FLYIN] Ercoupe 415-CD Registration C-FXJK Nonfatal > ----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]---- > > > At 03:39 PM 12/9/02 -0600, Andy Anderson wrote: > > >The accident information from the web page below verifies that one should > >always sump the tanks after refueling. > >http://www.ntsb.gov/ntsb/brief.asp?ev_id=20021206X05573 <http://www.ntsb.gov/ntsb/brief.asp?ev_id=20021206X05573&key=1> &key=1 > >NTSB Identification: NYC03LA028 > > > >Accident occurred Wednesday, December 04, 2002 at Dalton, MA > >Aircraft:Ercoupe 415-CD, registration: C-FXJK > >Injuries: 1 Uninjured. > >-------------- > >Examination of the wreckage revealed that the fluid inside the gascolator > >had frozen. The FAA inspector added that although the pilot added 5 gallons > >of 100LL at GFL, he originally departed Canada with automobile gasoline. > >The reported temperature at an airport approximately 5 miles west of the > >accident site, at 1254, was 22 degrees F. > >----------------- > > > >My question is,,, does Canadian automobile gasoline normally freeze,,, or is > >the examiner just trying to blow some smoke > > Or was he too lazy to go back to the last place the guy got gas and take a > sample? > Percy in Portland > > > ========================================================================== == == > To leave this forum go to: http://ercoupers.com/lists.htm > > > -------------------------------------------------------------------------- -- ---- > > --- > Outgoing mail is certified Virus Free. > Checked by AVG anti-virus system (http://www.grisoft.com). > Version: 6.0.408 / Virus Database: 230 - Release Date: 10/24/02 > ========================================================================== ==== To leave this forum go to: http://ercoupers.com/lists.htm ========================================================================== ==== To leave this forum go to: http://ercoupers.com/lists.htm ========================== To leave this forum go to: http://ercoupers.com/lists.htm
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