Gasohol

On Sat, 2 Jun 2007 06:15:49 -0400, "mike regish"
wrote:

Only ethanol-blended gasoline has been available at New England
service stations over the past several years.

Not correct. New Hampshire sold auto fuel (in the southern counties
only) with MBTE until fairly recently. The swtich to alky was no more
than six months ago.

In the northern counties (Carroll being the one closest to me, a drive
of about thirty miles) MBTE wasn't required, and I knew more than one
car owner who made the trip weekly because he didn't like the notion
of MBTE (or is it MTBE, crikey, I don't know). I'm uncertain whether
the ethanol mandate applies there or not; I don't think it does, since
ethanol was introduced only as a substitute for MBTE.


Blue skies! -- Dan Ford

Claire Chennault and His American Volunteers, 1941-1942
forthcoming from HarperCollins www.flyingtigersbook.com

On Fri, 01 Jun 2007 17:58:28 -0000, Jim Logajan
wrote:

Profit margins vary a lot by company and over time, but a mid-term (not
long term) average of ~8% seems a useful number.[2] Though Exxon managed
to get nearly 11% last year.[3]

Exxon had a good year in part because it owns a lot of refineries. In
the past, refineries have been a very bad business (the money was all
in extracting oil from the ground) but lately there's been a huge
shortgage of capacity (hurricane Katrina, Europe no longer exporting
much gasoline) so refineries are stretched to the limit.

When something is stretched, the price goes up, which is why Exxon did
better last year than say Royal Dutch Shell or Beyond Petroleum.

(For years, we have been importing gasoline from Europe. Isn't that a
hoot? They've historically tended to need more diesel than the
refineries could easily produce without exporting the lighter stuff,
and the excess came to us so the yuppies didn't have to have a bad ole
refinery in their backyard.)

Blue skies! -- Dan Ford

Claire Chennault and His American Volunteers, 1941-1942
forthcoming from HarperCollins www.flyingtigersbook.com

You know I've been wondering: Does the Alka Seltzer trick really check to
see if alcohol is present? I'm no chemist, but I wonder if the Alka Seltzer
is just reacting with the water that most alcohols will attract from the
moisture in the air.

How about it? Any chemists in the group? If the mogas were blended with
alcohol with low water content, would the Alka Seltzer fizz at all? Maybe
the best test is still the "line on the beaker" test.

Well, we've been down this road before, back when the Alky test first
came on the scene. Some chemist here ended up concluding that the
test was valid, but I'm always open to hearing other thoughts on the
matter.

If the danged test DIDN'T work, that could ruin my whole day...
--
Jay Honeck
Iowa City, IA
Pathfinder N56993
www.AlexisParkInn.com
"Your Aviation Destination"

You talking about "rubbing alcohol"? We tested it with that, and it
worked for us.

Fizzing, that is...

nope -- "Denatured Alcohol" purchased in a gallon can.

What's the difference? Is one ethanol, and one methanol?
--
Jay Honeck
Iowa City, IA
Pathfinder N56993
www.AlexisParkInn.com
"Your Aviation Destination"

On Sat, 02 Jun 2007 06:22:28 -0700, Jay Honeck
wrote:

You talking about "rubbing alcohol"? We tested it with that, and it
worked for us.

Fizzing, that is...

nope -- "Denatured Alcohol" purchased in a gallon can.

What's the difference? Is one ethanol, and one methanol?
Denatured is ethanol poluted with anything to make it undrinkable.
Generally Methyl, but sometimes even Gasoline is used to "denature"
it. Rubbing alky is generally Isopropyl

--
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On Fri, 1 Jun 2007 23:01:22 -0700, "J. Severyn"
wrote:


"Orval Fairbairn" wrote in message
news snip

I tried the Alka Seltzer trick on some denatured alcohol -- no result.
It did not fizz!

You know I've been wondering: Does the Alka Seltzer trick really check to
see if alcohol is present? I'm no chemist, but I wonder if the Alka Seltzer
is just reacting with the water that most alcohols will attract from the
moisture in the air.

How about it? Any chemists in the group? If the mogas were blended with
alcohol with low water content, would the Alka Seltzer fizz at all? Maybe
the best test is still the "line on the beaker" test.

Regards,
John Severyn
KLVK (all mogas has alky in my area, making my STC no good at all)

Seltzer reacts with water.

--
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"Cubdriver" wrote

I bought four gallons two months ago and haven't used it all yet. It's
astonishing how far gasoline goes in small engines. (Well, okay, I
don't mow my lawn any more. The clean mogas goes into the chain saw,
generator, and snow blower

I'll bet it really lasts a loooong time in your snow blower, this time of
year! ggg
--
Jim in NC

"Cubdriver" wrote

Mogas at Hampton Airfield NH is still $3.40, though I suppose it will
go up in time, especially if lots of people discover they can buy
unadulterated gas there.

It depends on management's philosophy.

If they were to keep their profit margin low, and sell a lot of it, they
might find it is better to keep it cheap to sell a large quantity of it. Of
course, it all hinges on being able to keep the supply coming fast enough.
--
Jim in NC

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On Thu, 31 May 2007 05:11:27 GMT, tony roberts
wrote:


Is it true that there is no longer any requirement to label

gasoline

contaminated with alcohol?

Worse.
I read that, starting in 2007, in some places, California and some
Canadian Provinces included, it is regulated that all gasoline sold
must
contain at least 5% alcohol/ethanol.

Tony

Here in Ontario I was told not all gasoline must have 5% alky, but

5%

of all fuel sold must be alky - so 50% of all fuel sold being E10
satisfies the requirement. In practice, virtually all 87 octane
will
be e10. Premium 91 will (from some companies, at least) be E0,

making

the blended 89 E5. Since significantly over half the gasoline sold

in

Ontario is 87 octane, this would excede the requirements. - Just

from

what I've been told, but you can never trust the elected idiots, or
worse yet the beurocrats


IF I ever get a plane, all these silly fuel issues would be a real
irritant. I haven't been paying much attention to the new diesel
aircraft engines becoming available. Since I should be making my
own
biodiesel by the end of this Summer (for something less than 45
cents

a

gallon), are any of the new diesels in the O-200/Rotax 912 class?




What do you grow to make biodiesel?


Relatives that own restuarants and have to pay to dispose of waste

fryer

oil!




You grow relatives?


Well, somebody planted the seed and they tend to grow on their own. I

just

fertilize them now and then!




What do you actually do to the waste fryer oil to make it useful as
biodiesel?



A common misconception is that biodiesel is just filtered vegetable oil;
this is not the case. Straight Vegetable Oil (SVO) (and Waste Vegetable Oil
(WVO), for that matter) don't have the proper viscosity to run in a diesel
engine unless they are heated to the 140 F to 170 F range. More
importantly, they solidify at too high a temperature and will clog the
injector pump and injectors. Biodiesel is vegetable oil that has gone
through the transesterification process. Simplified, you mix many parts
vegetable oil with one part methanol and a little bit of lye, then heat and
stir the mixture. After a while, you have a tank of cloudy oil with
glycerine on the bottom. You then bubble air through the oil until it is
no longer cloudy, and the clear oil is biodiesel.

On Sat, 2 Jun 2007 10:42:25 -0400, "Morgans"
wrote:


"Cubdriver" wrote

Mogas at Hampton Airfield NH is still $3.40, though I suppose it will
go up in time, especially if lots of people discover they can buy
unadulterated gas there.

It depends on management's philosophy.

If they were to keep their profit margin low, and sell a lot of it, they
might find it is better to keep it cheap to sell a large quantity of it. Of
course, it all hinges on being able to keep the supply coming fast enough.


Selling lots makes sure the supply stays fresh, too.

--
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