Today's Message Index:
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1. 01:27 PM - Re: Ethanol/methanol. Myth or fact (Thilo Kind)
2. 02:13 PM - Re: Ethanol/methanol. Myth or fact (Roger Lee)
Message 1
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| Subject: | Re: Ethanol/methanol. Myth or fact |
Hi folks,
the Rotax won't indeed mind a little bit alcohol in the fuel. However,
there are two other issues:
- the fuel system itself, especially seals, pumps, etc.
- fuel with ethanol and / or methanol is much more volatile and thus more
prone to vapor lock.
Regards
Thilo Kind
----- Original Message -----
From: "Roger Lee" <ssadiver1@yahoo.com>
Sent: Monday, February 19, 2007 4:04 AM
Subject: RotaxEngines-List: Ethanol/methanol. Myth or fact
>
> Hi Guys,
>
> Myth
>
> Just spent the last few days at a Rotax repairman course. Bottom line for
> the ethanol/methanol is don't worry about it. It might rob a little power,
> but will not hurt a Rotax engine. Not all engines can say that, but Rotax
> can. The factory did test up to 5% because of places around the world that
> use it and that is why you see it printed in their manual, but just didn't
> test more. They can not test all variables from users from around the
> world. There are some places in the world that add up to 15-20%. There is
> nothing in the Rotax engine that comes in contact with fuel that this will
> bother. This comes fro Eric Tucker from the Rotax/Kodiak. He is the go to
> man for all engine issues of any kind including accident investigation,
> trouble shooting, maint. instruction and tech support. He has seen it all,
> more or less.
>
> He is also the one that says put the capacitor in and save yourself some
> headaches.
>
> --------
> Roger Lee
> Tucson, Az.
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p-939#95939
>
>
>
Message 2
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| Subject: | Re: Ethanol/methanol. Myth or fact |
Hi Thilo,
Eric Tucker, of Kodiak/Rotax, stated that there is nothing in a Rotax for the alcohol
to be an issue. No seals or parts that should get damaged. Other engines
yes, but not a Rotax because of the way it is Mfg. It will only cost you some
BTU's on the power side. He recommended that we use either a blend of 100LL
with 91 oct. or 100LL above 8k' as a precaution to vapor lock.
--------
Roger Lee
Tucson, Az.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p'108#96108
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