Light-Sport Aircraft Yahoo group Re: E15

Hi Bob,
There are other problems with ethanol. As the altitude rises, fuel with ethanol is more prone to vapor lock than fuel without ethanol and that has little to do with its water affinity.
Abid

--- In Sport_Aircraft@yahoogroups.com, Bill Holmes <billholmes@...> wrote:
>
> Truth be told........
>
> Rotax engines have been tested to the 15% level. The engines have been
> certified by Rotax to the 10% level with no adverse effects. The only
> issues I have seen in the engines running ethanol gas are related to
> having it sit for 2-3 weeks between running. If you are not going to at
> least run the engine every couple of weeks you should make sure to top
> off or drain your tank AND empty the carburetor bowls. The problem is
> not the ethanol but the water that it can absorb. If the water content
> becomes to high for the volume of ethanol then the water will drop out
> of solution. The water that drops out of solution is very low pH and
> VERY corrosive to the aluminum parts.
>
> You should also, per Rotax requirements, NOT be using ANY paper filters
> of any kind. A screen type or mesh/stone filter is best.
>
> This article was about making sure that we are not forced to accept 15%
> ethanol gasoline at the pumps.
>
>
> --
> Bill Holmes SP PPCL,
> Light Sport Repairman Maintenance (AP, WSC, PPC)
> Independent Rotax Repair Facility
> Born To Fly
> Huber Airpark (E70)
> 2475 Rudeloff Rd.
> Hangar 1B
> Seguin, TX 78155
> 210-831-7123
> billholmes@...
> http://www.born-2-fly.com
> http://www.just-plane-stuff.com
> http://www.lightsportaviationservice.com
>

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