Brent: FAA regs prohibit use of alcohol in faircraft and even stipulate in their STC's that fact.
Don Lively Burlington, IA ------------------------------------------------------------------------ Brant Hollensbe wrote: > There some big problems when you start to compare the operation of a car > engine to a airplane engine. The operating enviroment, the loads the engine > has to substain, even the material the fuel tanks are made of are > different. > > Around 1972, the auto makers began to design their engines to use a > gas/alcohol blend. Auto engines(carbs especially) designed before that time > may or may not have problems. > > I was a BMW, Fiat, VW mechanic working my way through college during that > era. I have seen first hand that gasahol distorted plastic carb floats, carb > gaskets, and even rubber fuel lines. I have changed clogged fuel filters and > fluched fuel lines of mid 1960s cars after the owner decided after 10 years > of gasoline use, to switch and try gasahol. The alcohol dissolved some old > sludge in the bottom of the tank and plugged the filter > Later I taught vocational power mechanics and witnessed gasahols effects on > rubber carb diaphrams used in lawn and guarden equipment. > > I am happy that many of our members have had sucess in using gasahol in > their post 1972 autos, I have too. But we need to compare our apples to > apples and focus on aviation engines. > > I have a STC to burn mogas in my Cessna and I use it. I burn a mix of 3 > parts mogas (no alcohol) to 1 part 100LL avgas. 100LL avgas contain 4 times > the lead content of the 80 octane leaded avgas that is no longer available. > This mixture is my effort to duplicate the lead content of the fuel my > engine was designed to use. I am attemping to reduce the lead deposits on > my spark plugs and other internat engine surfaces. > > Brant Hollensbe > Bhollensbe at mchsi.com > West Des Moines, Iowa > > _______________________________________ > 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
