Strength of Steel Vs Carbon
 

Steel= 1.2
Carbon= 63
More is better!

http://en.wikipedia.org/wiki/Carbon_nanotubes#Strength


"Carbon nanotubes are one of the strongest materials known
to man, both in terms of tensile strength and elastic
modulus. This strength results from the covalent sp2 bonds
formed between the individual carbon atoms. In 2000, an MWNT
was tested to have a tensile strength of 63 GPa [2]. In
comparison, high-carbon steel has a tensile strength of
approximately 1.2 GPa."

Thank you, Buckminster Fuller! Now all we need to do is
bring back the Dymaxion Car!

DSK

Strength of Steel Vs Carbon
 

fiberglass= .0003
steel=1.2
carbon=63

Joe

Strength of Steel Vs Carbon
 

Joe wrote:

fiberglass= .0003
steel=1.2
carbon=63



Yeah but fiberglass is cheap so you can use a lot of it.

;)

DSK

Strength of Steel Vs Carbon
 

We're talking space elevator!

--
"j" ganz @@
www.sailnow.com


How long will the cable need to be Jon to lift and anchor a 2000 lb
payload?
And how strong?

Joe

Strength of Steel Vs Carbon
 

"DSK" wrote in message
...
Steel= 1.2
Carbon= 63
More is better!

http://en.wikipedia.org/wiki/Carbon_nanotubes#Strength


"Carbon nanotubes are one of the strongest materials known to man, both in
terms of tensile strength and elastic modulus. This strength results from
the covalent sp2 bonds formed between the individual carbon atoms. In
2000, an MWNT was tested to have a tensile strength of 63 GPa [2]. In
comparison, high-carbon steel has a tensile strength of approximately 1.2
GPa."

Thank you, Buckminster Fuller! Now all we need to do is bring back the
Dymaxion Car!

Do you live in a geodesic dome?

Max

Strength of Steel Vs Carbon
 

I believe the space end needs to be in geosynchronous orbit.

--
"j" ganz @@
www.sailnow.com

"Joe" wrote in message
ups.com...

We're talking space elevator!

--
"j" ganz @@
www.sailnow.com


How long will the cable need to be Jon to lift and anchor a 2000 lb
payload?
And how strong?

Joe

Strength of Steel Vs Carbon
 

We're talking space elevator!


"Joe" wrote
How long will the cable need to be Jon to lift and anchor a 2000 lb
payload?
And how strong?

Capt. JG wrote:
I believe the space end needs to be in geosynchronous orbit.


Geosynchronous or geostationary? That's a very high orbit,
about 22,000 miles up. IIRC The Space Shuttle can only reach
that altitude with about 1/4 payload, it's more efficient to
build rockets to launch geosynchronous satellites.

Anyway, the weight doesn't go away just because it's tied to
a rock in outer space. The space elevator still needs power
to lift... a common misconception that it doesn't. But it
could be much more efficient than a rocket or shuttle.

DSK

Strength of Steel Vs Carbon
 

"Maxprop" wrote in message
nk.net...
Thank you, Buckminster Fuller! Now all we need to do is
bring back the
Dymaxion Car!

Do you live in a geodesic dome?


Does his tin foil beanie count?

SBV

Strength of Steel Vs Carbon
 

Geostationary... I think that's right.

--
"j" ganz @@
www.sailnow.com

"DSK" wrote in message
...
We're talking space elevator!


"Joe" wrote
How long will the cable need to be Jon to lift and anchor a 2000 lb
payload?
And how strong?

Capt. JG wrote:
I believe the space end needs to be in geosynchronous orbit.


Geosynchronous or geostationary? That's a very high orbit, about 22,000
miles up. IIRC The Space Shuttle can only reach that altitude with about
1/4 payload, it's more efficient to build rockets to launch geosynchronous
satellites.

Anyway, the weight doesn't go away just because it's tied to a rock in
outer space. The space elevator still needs power to lift... a common
misconception that it doesn't. But it could be much more efficient than a
rocket or shuttle.

DSK

Strength of Steel Vs Carbon
 

"Capt. JG" wrote:

Geostationary... I think that's right.

All geostationary satelites are geosynchronous, but not all
geosynchronous satelites are geostationary!

Cheers
Marty