----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]----
Looking for a low to medium time Ercoupe with an 0200 or similar. Anyone out there looking to sell one in the next few months? ----- Original Message ----- From: <[EMAIL PROTECTED]> To: "Coupers Tech" <[EMAIL PROTECTED]> Sent: Sunday, February 10, 2002 11:56 AM Subject: RE: [COUPERS-TECH] [COUPERS] MoGas > ----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]---- > > Leslie, > > I used Mogas for about 15 years...from the first approval by EAA. However, > when my situation changed to very little use of the airplane, I ran into a > problem I have not discussed with EAA. > > On one filling of fuel I noticed a tar like odor...or maybe better - a > fuel > oil odor to my gasoline. I didn't pay much attention - thought , well > maybe > the separation was not as good as desired. ( Gasoline and all petroleum > products are shipped thru pipelines; and at the destination storage > facility, > they separate out a portion of the fuel slug so as to assure purity of the > fuel stored. ( The seperated slug of fuel/oil mixture is re-refined and > sold > back to the industry). > > Evidently the separation on my refill was not accomplished as desired, > thus > the odor, but I had little concern. This was a serious mistake. It > probably > would have made little if any difference in performance, etc, if I was > flying > regularly and refueling frequently, etc.. BUT, the coupe was sitting > mostly, > and very little fuel used on run-ups, and fast taxiing. > > After a while, I began to get green goo in my sump checks......and later > grew > a green paste on the inside of my fuel caps...I sent a sample to Amoco, > and > they refused to even consider the "problem".... > > I never did look at the mess under a microscope to assure it was > algae....tho > I am 99.999% sure that was the problem. Algae grows in fuel oils, jet > fuels, > etc....and an algicide is added to jet fuel to prevent its growth. > (Prist). > > I understand that Leaded fuels are poisonous to the algae, ...So, we don't > see the problem in aviation fuel..., or in automotive high use situations > where any small growth is filtered out and/or burned. > > BUT, my coupe sat for long periods of time, giving the algae a perfect > environment to grow..... > > After cleaning the system, adding prist, cleaning the system many times, > and > reverting to 100 LL, it seemed I had rid myself of the green goo....or so > I > thought. > > John Wright, Jr, is restoring my coupe, and recently had a look at my > header > tank.....and wondered what the GOO was in the bottom of the tank. It > appears > the goo was algae that had died, but still was a slug of mess in the > header > tank.....material that did not flow thru to the gascolater... Sure am glad > he > trucked the coupe to John's shop, instead of me flying it out there on a > ferry permit. > > I have not shared this with EAA, but will do so. I think it is of real > concern for airplanes that are not used on a regular basis...the > possibility > of a slight contamination of fuel oil and growth of algae.... > > Perhaps a mixture of 100 ll and Mogas would be suitable...lower lead for > the > little Continentals, and sufficient lead to kill the algae.....? > > Regards, > > Harry Francis > Blacksburg, VA > N-93530 > > > ==^================================================================ This email was sent to: [EMAIL PROTECTED] EASY UNSUBSCRIBE click here: http://topica.com/u/?bz8Sid.bAhN69 Or send an email to: [EMAIL PROTECTED] T O P I C A -- Register now to manage your mail! http://www.topica.com/partner/tag02/register ==^================================================================
<<attachment: winmail.dat>>
