10.09.2008

SUCCESS for SpaceX!!!

Congratulations to all at the SpaceX Corporation in El Segundo, California and your counterparts in the Kwajalein Atoll.

About nine and a half minutes after launch, the second stage engine shuts down, and the Falcon 1 becomes the first privately developed liquid fuel rocket to orbit the Earth.


Flight 4 Launch Update

Post Launch Statement:

Wow, this is a great day for SpaceX and the culmination of an enormous amount of work by a great team. The data shows we achieved a super precise orbit insertion — middle of the bullseye — and then went on to coast and restart the second stage, which was icing on the cake.

I will have a more complete post launch statement tomorrow, as right now I'm in a bit of a daze and need to go celebrate :)

--Elon-


[back from celebrating...]

While Falcon 1 was the world's first privately developed liquid fuel rocket to reach orbit, I would like to acknowledge and express appreciation for the role of DARPA, the Air Force and the ORS Office of the Department of Defense. They played an important role as early "beta" customers of Falcon 1. There are many individuals in those organizations, as well as in NASA, NRL, FAA, USAKA/RTS, other departments of the US government and the private sector to whom we owe gratitude for their support and advice. You didn't have to help, but you did, often at risk of career and credibility, so you have my deepest thanks.

The next flight of Falcon 1 is tentatively scheduled for March next year and will carry a Malaysian primary satellite, as well as US government secondary satellites, to near equatorial orbit. Flight 6 will probably be a Defense Department satellite in the summer and Flight 7 a commercial satellite mission in the fall. In 2010, I expect the launch cadence for Falcon 1 to step up to a mission every two to three months.

--Elon--




A week spent reviewing data has confirmed that the flight went really well, including the coast and restart. The mood here at SpaceX is just ecstatic! This is the culmination of six years of hard work by a very talented team. It is also a great relief for me, who led the overall design of the rocket (not a role I expected to have when starting the company). I felt a little sheepish receiving the AIAA award for the most outstanding contribution to the field of space transportation two weeks before this flight.

Orbit was achieved with the first burn terminating at 330.5 km altitude and 8.99 degree inclination. The goal for initial insertion was a 330 km altitude and a 9.0 degree inclination, so this was right on target! Accuracy far exceeded our expectations, particularly given that this was the first time Falcon 1 reached orbit.

The primary purpose of the second burn was to test the restart capability and then burn as long as possible. The upper stage coasted for 43.5 minutes and then burned for 6.8 seconds, which is 4 seconds longer than needed to circularize. Most of the burn was actually done sideways to avoid creating a highly elliptical orbit, hence a change in inclination to 9.3 degrees. The final orbit was confirmed by US Space Command.

Japan to build the long theorized Space Elevator


Breaking through the atmosphere with high-tech high-strength cables and flinging cargo into space using the rotational force force of the earth and a space-based docking station counterweight, the finest scientific minds of Japan are devoting themselves to cracking the greatest sci-fi vision of all: the space elevator. Man has so far conquered space by inefficiently blasting himself and sattelite cargo out of the atmosphere but the 21st century should bring a more leisurely ride, and cheaper cargo transfer to the final frontier.

For chemists, physicists, material scientists, astronauts and dreamers across the globe, the space elevator represents the most tantalising of concepts: cables stronger and lighter than any fibre yet woven, tethered to the ground and disappearing beyond the atmosphere to a satellite docking station in geosynchronous orbit above Earth.

Up and down the 22,000 mile-long (36,000km) cables — or flat ribbons — will run the elevator carriages, themselves requiring huge breakthroughs in engineering to which the biggest Japanese companies and universities have turned their collective attention.
In the carriages, the scientists behind the idea told The Times, could be any number of cargoes. A space elevator could carry people, huge solar-powered generators or even casks of radioactive waste. The point is that breaking free of Earth's gravity will no longer require so much energy — perhaps 100 times less than launching the space shuttle.

“Just like travelling abroad, anyone will be able to ride the elevator into space,” Shuichi Ono, chairman of the Japan Space Elevator Association, said.



The vision has inspired scientists around the world and government organisations including Nasa. Several competing space elevator projects are gathering pace as various groups vie to build practical carriages, tethers and the hundreds of other parts required to carry out the plan. There are prizes offered by space elevator-related scientific organisations for breakthroughs and competitions for the best and fastest design of carriage.

First envisioned by the celebrated master of science fiction, Arthur C. Clarke, in his 1979 work The Fountains of Paradise, the concept has all the best qualities of great science fiction: it is bold, it is a leap of imagination and it would change life as we know it.
Unlike the warp drives in Star Trek, or H.G. Wells's The Time Machine, the idea of the space elevator does not mess with the laws of science; it just presents a series of very, very complex engineering problems.
Japan is increasingly confident that its sprawling academic and industrial base can solve those issues, and has even put the astonishingly low price tag of a trillion yen (£5 billion) on building the elevator. Japan is renowned as a global leader in the precision engineering and high-quality material production without which the idea could never be possible.
The biggest obstacle lies in the cables. To extend the elevator to a stationary satellite from the Earth's surface would require twice that length of cable to reach a counterweight, ensuring that the cable maintains its tension.
The cable must be exceptionally light, staggeringly strong and able to withstand all projectiles thrown at it inside and outside the atmosphere. The answer, according to the groups working on designs, will lie in carbon nanotubes - microscopic particles that can be formed into fibres and whose mass production is now a focus of Japan's big textile companies.


(lasers are theroized to be of use in engaging a space platform and launching cargo pods)

According to Yoshio Aoki, a professor of precision machinery engineering at Nihon University and a director of the Japan Space Elevator Association, the cable would need to be about four times stronger than what is currently the strongest carbon nanotube fibre, or about 180 times stronger than steel. Pioneering work on carbon nanotubes in Cambridge has produced a strength improvement of about 100 times over the last five years.
Equally, there is the issue of powering the carriages as they climb into space. “We are thinking of using the technology employed in our bullet trains,” Professor Aoki said. “Carbon nanotubes are good conductors of electricity, so we are thinking of having a second cable to provide power all along the route.”

Japan is hosting an international conference in November to draw up a timetable for the machine.



FIRSTBORN
“Riding silently into the sky, soon she was 100km high, higher even than the old pioneering rocket planes, the X15s, used to reach. The sky was already all but black above her, with a twinkling of stars right at the zenith, the point to which the ribbon, gold-bright in the sunlight, pointed like an arrow. Looking up that way she could see no sign of structures further up the ribbon, no sign of the counterweight. Nothing but the shining beads of more spiders clambering up this thread to the sky. She suspected she still had not grasped the scale of the elevator, not remotely.”

From Firstborn by Arthur C. Clarke and Stephen Baxter
Publisher: Del Ray