Steve,

I am running Lycoming O-320 E2D 150 hp and I can find other engines as
required.

Best Regards,

Alain




-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On
Behalf Of Steve Thomas
Sent: September 17, 2009 1:34 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Vinyl Ester tanks


Alain,

What engine are you running?  I will mention you the next time I talk
to him.

Best Regards,

Steve Thomas
_______________________________________________________





On Sep 17, 2009, at 9:39 AM, Alain Ouellet wrote:

Steve,

If your fellow is interested to have someone test his fuel in
operation.

I could probably arrange to have it done, let me know and/or he can
contact
me
thru a direct e-mail and we can go from there.

Best Regards,

Alain

Alain Ouellet
905-458-5424
mailto:aouellet@icecanada.com



-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On
Behalf Of Steve Thomas
Sent: September 17, 2009 9:51 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Vinyl Ester tanks


George,

According to the information I have, butanol is not corrosive due to
its larger hydrocarbon chain.  Check out the following link:

http://en.wikipedia.org/wiki/Butanol_fuel

I recently spoke with a fellow that is trying to develop a biobutanol
factory to produce it from biomass, mostly waste product and not
foodstuffs.  He wants me to test his fuel.  Not likely, as flying for
the first time has enough uncertainty without adding unnecessary
variables.  But, it does have promise.

Best Regards,

Steve Thomas
_______________________________________________________





On Sep 17, 2009, at 12:42 AM, George Lendich wrote:

Steve doesn't it go Methanol, Ethanol, Butanol in the BTU rating -
isn't it still a alcohol and isn't alcohol the thing that kills
epoxy?
George ( down under)

(sorry, but the chart mentioned below is too big.  If you want a
copy, let me know and I'll email direct.)

Yes, but there are many formulations of vinyl ester.  My entire
airplane is made from vinyl ester, including the wet-wing gas
tanks.   The formula used from the factory was Derakane 411-45.  I
switched to  Derakane 411-350 some time later as it was a little
more viscous and  wetted out better.  It was also easier to get.
However, if you look  at the attached Derakane Chemical Resistance
Guide, the 411 series is  not recommended for gasohol
concentrations greater than 10% ethanol.   Since I cannot do
anything about my tanks at this point, I am forced  to live with
the limitations of Derakane 411.

I don't know what the specifications are on the fiberglast resins,
but those who use it ought to know.  For me, E85 is clearly not in
the  cards. Another possible option is butanol.  There are some who
are  experimenting with butanol as a 100% replacement for 100LL.
It has  nearly the same octane rating as 100LL, and about 90% of
the total  energy, per gallon, of gasoline.  Ethanol only has about
60% of the  energy, per gallon, of gasoline.  And butanol does
require a different  air-fuel ratio.  It is also not corrosive in
the same way as ethanol.

So, my concern remains.  It looks like using gasohol with a 10%
lace  of ethanol will be OK.  More than that, I'll be switching to
100LL.

Best Regards,

Steve Thomas
_______________________________________________________





On Sep 4, 2009, at 11:32 AM, Lynn Hanover wrote:

Or, what are the tanks holding E-85 made out of? About 75% alcohol
.All of the underground fuel tanks are now Vinyl Ester.

Lynn E. Hanover

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