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I read about quite a few different propulsion methods a while back in Robert
L. Forward's book "Indistinguishable From Magic". In it, he talks about
some different areas of possible future technology which, if viewed by us
today, would be inidistinguishable from magic. Then he gives short stories
which use some of these technologies. I found it pretty interesting.
Kevin Jackson-Mead
http://www.mindspring.com/~jacksonmead
Chris Huff wrote:
> In article <39b28950@news.povray.org>, "Rick [Kitty5]"
> <ric### [at] kitty5 com> wrote:
>
> > shouldn't iy have like a laser beam pushing it along? - there was a
> > cartoon i saw years ago with this..
>
> Solar sails are supposed to operate by using the solar wind, no laser is
> needed, and you would need an extremely powerful laser to have any
> effect anyway. I have read about another laser propulsion technology
> being developed, it uses a very powerful ground laser and a disk-shaped
> projectile. However, it relies on an atmosphere, and would be pretty
> much useless in space.
>
> --
> Christopher James Huff
> Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
> TAG: chr### [at] tagpovrayorg, http://tag.povray.org/
>
> <><
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> > shouldn't iy have like a laser beam pushing it along? - there was a
> > cartoon i saw years ago with this..
>
> Solar sails are supposed to operate by using the solar wind, no laser is
> needed, and you would need an extremely powerful laser to have any
> effect anyway. I have read about another laser propulsion technology
> being developed, it uses a very powerful ground laser and a disk-shaped
> projectile. However, it relies on an atmosphere, and would be pretty
> much useless in space.
of course!, but dont forget, this was a cartoon a saw when i was very small,
and it looked really cool, and thats what were after here most of the time -
if i remember rightly the laser hit the back of the hull, and then lit the
sails up, with a few other beams here and there for effect..- as i say
looked cool :)
i have seen (on disc chan) that laser propulsion thing you mention, its a
left over starwars laser blasting (short pulses) the underside of what looks
like an over expensive spinning top.
Rick
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In article <39b37d42@news.povray.org>, "Rick [Kitty5]"
<ric### [at] kitty5com> wrote:
> i have seen (on disc chan) that laser propulsion thing you mention,
> its a left over starwars laser blasting (short pulses) the underside
> of what looks like an over expensive spinning top.
Actually, the description I saw was that it looked like an aluminum
pie-pan.
--
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/
<><
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Chris Huff wrote:
>
> In article <39b37d42@news.povray.org>, "Rick [Kitty5]"
> <ric### [at] kitty5com> wrote:
>
> > i have seen (on disc chan) that laser propulsion thing you mention,
> > its a left over starwars laser blasting (short pulses) the underside
> > of what looks like an over expensive spinning top.
>
> Actually, the description I saw was that it looked like an aluminum
> pie-pan.
The one I say a TV demonstration of looked like an expensive spinning
top. Two against one, you lose. :)
--
Ken Tyler - 1400+ POV-Ray, Graphics, 3D Rendering, and Raytracing Links:
http://home.pacbell.net/tylereng/index.html http://www.povray.org/links/
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On Sun, 03 Sep 2000 14:01:14 -0500, Chris Huff wrote...
> > shouldn't iy have like a laser beam pushing it along? - there was a
> > cartoon i saw years ago with this..
>
> Solar sails are supposed to operate by using the solar wind, no laser is
> needed, and you would need an extremely powerful laser to have any
> effect anyway. I have read about another laser propulsion technology
> being developed, it uses a very powerful ground laser and a disk-shaped
> projectile. However, it relies on an atmosphere, and would be pretty
> much useless in space.
That would be the imaginatively named 'Light Craft'.
Discovery occasionally shows it on various documentaries (at least it
does in the UK).
Bye for now,
Jamie.
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"Ken" <tyl### [at] pacbellnet> wrote in message
news:39B1FF75.63ABB60A@pacbell.net...
|
| Chris Huff wrote:
| >
| > Actually, the description I saw was that it looked like an aluminum
| > pie-pan.
|
| The one I say a TV demonstration of looked like an expensive spinning
| top. Two against one, you lose. :)
You all might be distorting your memories some. It had a water drop
splashing in water shape as I recall, minus the most extended droplet part
that is. So I guess you could say it was both saucer and toy top shaped.
'-)
Bob
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I found a web page about it:
http://www-aero.meche.rpi.edu/Research/LaserPropulsion/index.html
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In article <39b427c5$1@news.povray.org>, "Bob Hughes"
<per### [at] aolcom?subject=PoV-News:> wrote:
> You all might be distorting your memories some. It had a water drop
> splashing in water shape as I recall, minus the most extended droplet part
> that is. So I guess you could say it was both saucer and toy top shaped.
My "pie-pan" description came from what the author of the article I read
said it looked like. It might easily have looked like a toy top, but the
author described it as a pie pan shape. The only picture I can remember
is a white circular flat thing in the air, not a detailed photograph.
Can't we find something better to argue about? :-)
--
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/
<><
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In article <39b428ec$1@news.povray.org>, "Bob Hughes"
<per### [at] aolcom?subject=PoV-News:> wrote:
> I found a web page about it:
>
> http://www-aero.meche.rpi.edu/Research/LaserPropulsion/index.html
That seems to be what I remember. I can see why it was described as a
top, I think the "pie pan" version was a different design.
--
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/
<><
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> Can't we find something better to argue about? :-)
i dont know, wander over to p.o.t and see ... :)))
Rick
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