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SpaceX Gets Operational License For Cape Canaveral
FiggyOO writes "For those of you who witnessed the launch of SpaceX's Falcon 1 rocket, launch 3, you will be glad to hear that SpaceX has received a license to launch from space complex 40 (SLC-40) at Cape Canaveral Air Force Station on the Florida coast. This Launch complex is just south of launch pads 39A and 39B which have been used to launch the space shuttles, and will continue in that role for a few more years. This launch complex will enable SpaceX to launch the much-anticipated Falcon 9 rocket, which will eventually carry the Dragon capsule. In doing so, SpaceX hopes to fill the void between the end of the shuttle program and the coming of the Constellation. They have already begun moving into the launch complex, including moving a 125,000 gallon liquid oxygen tank on the back of a semi." We've been following Elon Musk's SpaceX for years.
My only real question regarding transportation would be how they got the tank TO the road (ie railroads, boats, or was it built right next to a road?)
Space-X Photo Gallery has a picture of it being loaded.
http://www.geoffreylandis.com
Replying to myself since I found a nice link with high-resolution versions of the 125,000 gallon tank photo, which make it much clearer that it's NOT a photoshop job.
My blog. Good stuff (when I remember to update it). Read it.
Let me summarize my thoughts before I respond:
Question: Is it possible to adapt the shuttle components to new vehicles as proposed by the Aries program?
Answer: Maybe
Question: Is it better or cheaper to adapt the shuttle components instead of starting with fresh or adapting another existing platform (Delta or Falcon for example) which more closely fits the Ares launch profiles?
Answer: Probably neither better nor, due to likely unforeseen needs for additional modifications as problems crop up, cheaper. The primary shuttle components were very specialized to the shuttle design so I don't think that the shock absorbers on the SRB will be the last of the kludges required to radically modify their mission profiles.
The shuttle program couldn't have taught them that.
They should have known from general solid rocket experience what the well known disadvantages of solid boosters are (i.e. vibrations due to imperfectly molded grains of fuel, high acceleration and force but little control over either...once you light it then it goes all out, etc) before going down that road with Ares. The shuttle designers almost certainly knew about the disadvantages of SRB, but they probably also knew that the disadvantages wouldn't come as much into play because the enormous mass of the shuttle would make a few more relatively minor (compared to the large mass of the shuttle) vibrations moot AND they needed the advantages (high thrust right away) because of the large shuttle mass. In short, the shuttle engineers almost certainly knew that flying the SRB as the first stage in a vehicle besides the shuttle probably wouldn't work (if you had been able to ask them back when they designed the shuttle), but they didn't care because they knew that it would work in the special circumstances of the shuttle (they were designing parts for the shuttle not for re-use in other vehicles decades later).
So, do you have any other evidence that they haven't learned their lessons from the shuttle program?
I am not a shuttle engineer, so I only know what they report in the press and on NASA or JPL public information websites. I strongly suspect that the answer to that question may be "yes" (or more precisely the engineers have learned the lessons, but are being asked by management to re-use the shuttle parts as much as possible for political reasons...it saves money (which is debatable) and it preserves jobs at existing shuttle parts assembly plants), but I cannot prove that of course. I believe that it would be better to make a clean break with the Shuttle, but I know that not everyone else feels that way.
But the final goal, for which Ares-1 is only the first step, is a much larger launch vehicle with a much greater mass, in which case the SRBs may very well be a logical choice.
Yes, but without the Ares-1, which is intended to launch the crew vehicles for Orion (among other things), the larger Ares is not much use (i.e. the Ares program is really a package deal, both versions have to work and work well for the program to be successful).
You are correct, but looking at the replies, this thread seems to be in serious need of some information about liquid oxygen.
Liquid oxygen is (not surprisingly) a very powerful oxidizer and many things will combust in its presence due to the fact that the increase in density overcomes the cold temperature.
Making liquid oxygen is very easy due to the fact that the boiling point of oxygen is a couple of degrees higher than the boiling point of nitrogen: get pressurized oxygen in a closed system and cool it down with liquid nitrogen until it liquefies. Congratulations, you're done.