Alcohol will improve resistance to detonation, not the other way around as
"Rotax" have suggested, and 16:1+ compression ratios are possible on pure
alcohol. Can also be quite difficult keeping an alcohol-fuelled engine hot
enough!
Duncan McF.
>
>
> |
> |
> | Ferg,
> |
> | I am obviously concerned about the same issue. I contacted Rotax direct
> some
> | time ago, and they say that an ethanol content above 5% is a NONO. It
> causes
> | detonation, internal corrosion and possible engine failure. Your concern
> | about fuel lines in comparison is irrelevant.
> | As recommended by COPA, I have also written to the Ontario premier
> | explaining the situation, and also including a copy of an EAA article
> | outlining the same problem in Montana. We are all hoping that the ruling
> is
> | modified whereby the premium 91 octane (North American) fuel is supplied
> | without ethanol.
> | If you think this is to do with global warming, think again. It is all
to
> do
> | with supporting the poor impoverished farmers.
> | If anyone from Brazil is on this forum, can you enlighten us on what you
> use
> | for Rotax fuel ?
> | I remember your cities having a strong smell of alcohol 20 years ago
from
> | car exhaust fumes.
> |
> | Karl
> |
> |
> | >From: "Fergus Kyle" <VE3LVO@rac.ca>
> | >Reply-To: europa-list@matronics.com
> | >To: "EUROPALIST" <europa-list@matronics.com>
> | >Subject: Europa-List: Anguish..........
> | >Date: Sun, 13 Feb 2005 15:28:10 -0500
> | >
> | >
> | >Cheers,
> | > I attended the EAA/RAA chapter locally last Friday to hear
> the
> | >pricipal speaker, a qualified fuel expert who acts as Quality Control
for
> a
> | >large petroleum firm in Canada. His topic was future fuels. Fuel and
its
> | >derivatives when operated in Canada is a provincial affair, since trade
> and
> | >commerce come under provincial jurisdiction unless exported.
> | > Our speaker pointed out that theProvinciual Premier had
> called
> | >for and is acting on a proposal to increase the ethanol content of
motor
> | >car
> | >fuels to an average of 5% over the next few years to a present-day
> maximum
> | >of 10% anywhere. This is somewhat nebulous in intent, since the plan is
> to
> | >reduce noxious exhausts, especially in the greater Toronto area (GTA).
> The
> | >fuel has become known as E10. Whether it means 5% everywhere or that
> | >Toronto
> | >(being the greatest offender) will have 10 while outlying districts
will
> | >carry much less - is still up in the air. There is feeling that this
> trend
> | >will increase in popularity across the land.
> | > Naturally this is of interest to those such as myself who
> were
> | >planning on the use of MoGas as is advertised in Rotaz and Europa
> | >materials.
> | >Slightly less than half the attendees owned Rotax or similar, using
> MoGas.
> | > The bulk of his topic was the destructive qualities tested
> in
> | >labs to date. The conclusion is that E10 will wreak havoc on aluminum
> fuel
> | >lines and most rubber-type tubing, including many of the epoxy and like
> | >materials. So there I am - fuel lines aluminum alloy where difficult to
> get
> | >at (in order to avoid the difficulties of changing same at periodic
> times)
> | >-
> | >I had taken great care to avoid vibration threats - AND the Europa
> standard
> | >fuel tank of the 1997 vintage (already changed once after leaks
detected
> in
> | >original tank, and fuel filler tube also changed).
> | > In view of the popularity of the Premier's edict (TO. is
> | >swiftly
> | >becoming a choking zone at rush hour) without incurring the rural
wrath,
> | >there seems no point in objecting. This of course accounts for the
> Subject
> | >title and my preliminary dread. At the moment it looks like I have
built
> an
> | >aircraft with a sword over its head (to say nothing of dwindling
> | >resources).
> | > So my purpose in writing is to clang the bell on coming
> trends
> | >for those as yet unaware, and to beg some good news that E10 will not
eat
> | >through my embedded fuel cell. I find the idea of changing fuel lines
(we
> | >were told that stainless is not free of threat) abhorrent enough
without
> | >worse news.
> | > Tell me it ain't so!
> | >Ferg Monowheel Classic 914 - sanding sanding sanding
> | >
> | >
> |
> |
> |
> |
> |
> |
> |
>
>
|