[AT] OT: Gas story

charlie hill chill8 at suddenlink.net
Tue Jul 3 04:55:23 PDT 2007


I agree with you completely Dave.  Only thing is that around here there are 
a fair number of stations with above ground tanks.  Even with that it 
doesn't even enter my mind when I'm trying to decide where to fuel up.  I 
just don't think there is that much difference.  The explaination I posted 
was just to clarify the concept to Walt....errr ...... Ron.

Charlie
----- Original Message ----- 
From: "Dave Merchant" <nesys_com at ameritech.net>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Tuesday, July 03, 2007 1:01 AM
Subject: Re: [AT] OT: Gas story


> ...so the only fuel that is expanded is the amount that has already come
> out of the
> underground line from the tank, ie, the fairly small quantity that is up 
> in
> the pump piping,
> plus the slight expansion the gas might have as it travels from 
> underground
> thru the pump..
> Probably only the first gallon or less would be mismeasured.
>
> Many big modern stations have a central pump that pressurizes the system,
> and the "gas pumps" don't do any real pumping, they just measure.
> Could be that if the pump is aboveground, the gas might get heated up a 
> bit
> there.
>
> The initial comment on Flying J is that the problem is (may be)  because
> they bring
> in fuel in tankers all day, and the fuel in the underground tanks doesn't
> have time to
> cool down + de-expand.
>
> Ideally, gas should be sold by weight, not volume, you just care how many
> molecules of gasoline you're getting. Converting pumps will cost money 
> that
> will need to be passed on to the consumer, and small stations may go out 
> of
> business.
>
> You need to consider the source of all this nonsense, Dennis Kucinich.
> He is the guy who was Cleveland's mayor, who worked hard to drive heavy
> industry
> out of town, since he claimed to be helping the working class, who then 
> found
> themselves without jobs with the heavy industry that had bailed out.
> An absolute opportunist, looking for any way to jump out in front of a 
> cause.
> Oddly though, he has a really great looking wife, makes you wonder.
>
> One other thing to note is that gasohol has quite a bit less energy per
> gallon than
> straight gasoline, thus will get fewer MPG.
>
> Dave Merchant
>
>
>
> At 01:06 PM 7/2/2007, charlie hill wrote:
>>Ron it's not the temperature of the fuel that matters. It's the quantity 
>>in
>>gallons compared to the weight when it goes through the meter that tells 
>>you
>>what you pay for it.  Hot fuel expands and rings up more gallons than cold
>>fuel.  Thus hot fuel has fewer BTU's per gallon than cold fuel.  You are
>>right, it's all the same when it goes through the engine but it what you 
>>pay
>>for it that makes the difference.
>>
>>Charlie
>>----- Original Message -----
>>From: <RonMyers at wildblue.net>
>>To: "Antique tractor email discussion group" 
>><at at lists.antique-tractor.com>
>>Sent: Sunday, July 01, 2007 10:28 PM
>>Subject: Re: [AT] OT: Gas story
>>
>>
>> > When you put the cold fuel in your hot tank sitting in the sun 
>> > alongside
>> > the Mack doesn't it get warmer.
>> > I can't believe that anybody would believe that the temperature of the
>> > fuel would make difference. If its gasoline its preheated before it go
>> > into the Carb. If its diesel it preheated in the manifold same as fuel
>> > injected cars.
>> >
>> > Ron
>> >
>> >
>> >
>> >> I have also noticed that Flying J fuel is cheaper, but I don't get the
>> >> mileage out of it...
>> >>
>> >> Cecil in OKla
>> >>
>> >> Mike Sloane wrote:
>> >>> The "downside" of the "mom & pop" places is that it is more likely 
>> >>> that
>> >>> the fuel has been sitting there a while and has accumulated more
>> >>> moisture and "crud". I would say that a station that gets deliveries
>> >>> once or twice a week is probably your best bet - the gas sits there 
>> >>> long
>> >>> enough to cool down but not long enough to get "stale". And if you 
>> >>> see a
>> >>> delivery truck in the driveway, find another station - when the fuel
>> >>> drops out of the tanker, it comes out very, very fast, and it stirs 
>> >>> up
>> >>> all the junk in the underground tank. It all usually settles in an 
>> >>> hour
>> >>> or two, so you can probably come back later and fill up with no 
>> >>> problem.
>> >>>
>> >>> At least that's how it was at my station. I used to request night
>> >>> deliveries to avoid all of those problems, and the delivery company
>> >>> didn't seem to mind at all.
>> >>>
>> >>> Mike
>> >>>
>> >>>
>> >>>
>> >>> Danny Tabor wrote:
>> >>>
>> >>>>         It wasn't until I got fuel some place else did
>> >>>> I realize our local Flying J was ripping me off. With
>> >>>> the "J" fuel I was just barely getting 5 MPG's then I
>> >>>> stopped at little local place and with their fuel I
>> >>>> got better than 6 out of my Mack. Same thing with
>> >>>> other fuel stops, then back to Flying J and a dramatic
>> >>>> decrease again.
>> >>>>         I'm certain its because the Flying J goes
>> >>>> through so much fuel (1 or 2 tankers there almost
>> >>>> constantly delivering) that the fuel doesn't sit long
>> >>>> enough to cool down. Now I try to stay clear from big
>> >>>> truck stops and get my fuel from little stores or mom
>> >>>> and pop shops. Even though often Flying J's prices are
>> >>>> a few cents less than smaller stores. After the fuels
>> >>>> pumped and the mileage is figured in I'm not saving
>> >>>> anything by getting fuel from them.
>> >>>>
>> >>>> Danny Tabor
>> >>>>
>> >>>>
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>
> Dave Merchant
> kosh at nesys.com
> nesys_com at ameritech.net
>
> http://www.nesys.com
> http://www.nesys.org
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