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From: "Robin van Spaandonk" <[EMAIL PROTECTED]>
To:
Sent: Saturday, January 12, 2008 4:04 AM
Subject: Re: [Vo]:Re: Photos of Guy Negre's compressed air car on CNET News.com
In reply to Michel Jullian's message of Fri, 11 Jan 2008 23:34:27 +0100:
Hi,
[snip]
>I
In reply to Michel Jullian's message of Fri, 11 Jan 2008 23:34:27 +0100:
Hi,
[snip]
> It would also mean that the car's range could be
>considerably reduced in very cold weather.
[snip]
Not necessarily. If the air in the tank was also compressed when the external
temperature was the just as cold
In reply to Michel Jullian's message of Fri, 11 Jan 2008 23:34:27 +0100:
Hi,
[snip]
>I just saw Robin's explanation for the discrepancy (heat taken from ambient
>air during expansion,
>which produces cold air as is well know), it makes sense to me. It's quite
>remarkable that 9 kWh out
>of the
Ten years ago I tinkered together a 20 ft long replica of a Mississippi
River sternwheeler, only it runs on compressed air instead of steam. It
uses a portable air tank at 65 psi driving twin 2" bore by 6" stroke air
cylinders. When the engine driving the compressor quits, I have a range of
abou
Your sig files are usually a political statement. Have you changed
over to Monty Python (In search of the holy grail: "Bring me a
shrubbery! Nik! Nik!") ?
Terry
> Robin van Spaandonk
>
> The shrub is a plant.
>
>
Michel
- Original Message -
From: "Horace Heffner" <[EMAIL PROTECTED]>
To:
Sent: Friday, January 11, 2008 10:09 PM
Subject: Re: [Vo]:Re: Photos of Guy Negre's compressed air car on CNET News.com
>
> On Jan 11, 2008, at 7:56 AM, Michel Jullian wrote:
>
>> I
In reply to Michel Jullian's message of Fri, 11 Jan 2008 17:56:31 +0100:
Hi,
[snip]
>I understood the sentence as referring to some pneumatic version of
>regenerative braking, but
>admittedly it was unclear.
>
>What amazes me with this compressed air energy storage thing is that it is so
>dead
Would it be conceivable to incorporate an alternative or additional
energy source, like a liquid nitrogen tank, the idea being to use LN
for extended trips. I think Brady was working on a LN engine. Have no
idea as to how well that project is going.
It's my understanding LN is relatively cheap to
On Jan 11, 2008, at 7:56 AM, Michel Jullian wrote:
I understood the sentence as referring to some pneumatic version of
regenerative braking, but
admittedly it was unclear.
What amazes me with this compressed air energy storage thing is
that it is so dead simple, isn't
there a catch somewh
Michel Jullian wrote:
I understood the sentence as referring to some pneumatic version of
regenerative braking, but
admittedly it was unclear.
Ah, that does make sense. I shouldn't have jumped to conclusions.
When the Prius came out, many newspaper reports said it "gets energy
from braking.
I understood the sentence as referring to some pneumatic version of
regenerative braking, but
admittedly it was unclear.
What amazes me with this compressed air energy storage thing is that it is so
dead simple, isn't
there a catch somewhere?
Let's see how much energy they store in their 300
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