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MOSCOW, Jan. 11 (UPI) -- Russia is preparing to develop a nuclear-propelled spacecraft to maintain a competitive edge in the global space race, officials said.
So the media must think we are really dumb or forgetful
Originally posted by Soylent Green Is People
NASA and the U.S. Military have explored various kinds of Nuclear propulsion in the past. Most notably:
- NASA's "NERVA" project from the early 1960s. NERVA stood for Nuclear Engine for Rocket Vehicle Application. The goal of projeact NERVA was to build a Nuclear Thermal Rocket.
NERVA
- The U.S. Air Forces "Project Pluto" back in the early 1960s, which developed a Ramjet engine that used heat from a nuclear reactor. The end-use was to be for a cruise missile.
Project Pluto
- Project "Longshot" -- which was a joint U.S. Naval Academy/NASA program from the 1980s that designed (on paper only) a an unmanned probe to Alpha Centauri that used Nuclear propulsion.
PDF - Project Longshot - Alpha Centauri
- NASA's "Project Prometheus" which a program started in 2003 that is attempting to design a Nuclear Thermal Rocket motor for a spacecraft that would visit the Moons of Jupiter.
Project Prometheus]
Originally posted by InertiaZero
Boy, theres alot of people trying to "out-do" NASA these days....
MOSCOW, Jan. 11 (UPI) -- Russia is preparing to develop a nuclear-propelled spacecraft to maintain a competitive edge in the global space race, officials said.
Full article
Russia might be on to something, what do you think. ATS?
I know we have alot of buffs on the subject here.
Originally posted by InertiaZero
Boy, theres alot of people trying to "out-do" NASA these days....
MOSCOW, Jan. 11 (UPI) -- Russia is preparing to develop a nuclear-propelled spacecraft to maintain a competitive edge in the global space race, officials said.
Full article
The NERVA gas nuclear rocket was studied in t5he 1950's and 60's. The Orion Nuclear Pulse rocket was also studied during this time. (This is not to be confused with the Orion moon rocket were planning on sending back to the moon about 2020. Thats if the fools in government don't cut the budget). The most interesting technology to me is radio frequency accellerated, plasma drive. Ion drive has very high speed and very long range, it just takes you forever to get to a decent speed. Good for unmanned probes though... RF plasma drive gets up to speed very quckly, and goes like a bat out of hell. To give you an idea how fast conventional rockets take to get to Mars, its about six months. Thats a long time to be weightless and exposed to cosmic rays. An RF Plasma Drive will get you to Mars from Earth in thirty nine days. Yes I said 39 days. Wow.
Nuclear pulse drives I believe go a lot faster, but I don't know how fast. (check to find a link for "Orion nuclear rocket", and "NERVA nuclear rocket" on Google, I,m sure there's a buch of references).
It might interest some of you that I think Stanton Friedman (spell?) of UFO investigative fame may have worked on the NERVA project in the 1960's. I'm pretty sure he worked on the the nuclear powered bomber project during the same period.
Russia might be on to something, what do you think. ATS?
I know we have alot of buffs on the subject here.
Originally posted by dereks
My favourite is Project Orion A nuclear bomb powered spacecraft
Originally posted by jra
I think nuclear power for spacecrafts is the way to go for the time being. It's unfortunate that the word "nuclear" comes with such a big stigma attached to it. I think that has hindered further development in this area for the last while.
But if we want to get anywhere in this solar system in a more reasonable amount of time. It's our only option at the moment I believe. I'm just not sure what the best method for using a nuclear reactor would be. Either you have it power the rocket directly, like a Nuclear Thermal Rocket. Or you just have the nuclear reactor generate electricity which could then power something like VASIMR.
[edit on 11-1-2010 by jra]
John F. Kennedy
I therefore ask the Congress, above and beyond the increases I have earlier requested for space activities, to provide the funds which are needed to meet the following national goals:
First, I believe that this nation should commit itself to achieving the goal, before this decade is out, of landing a man on the moon and returning him safely to the earth. No single space project in this period will be more impressive to mankind, or more important for the long-range exploration of space; and none will be so difficult or expensive to accomplish.
Secondly, an additional 23 million dollars, together with 7 million dollars already available, will accelerate development of the Rover nuclear rocket. This gives promise of some day providing a means for even more exciting and ambitious exploration of space, perhaps beyond the moon, perhaps to the very end of the solar system itself.
Third, an additional 50 million dollars will make the most of our present leadership, by accelerating the use of space satellites for world-wide communications.
Fourth, an additional 75 million dollars--of which 53 million dollars is for the Weather Bureau--will help give us at the earliest possible time a satellite system for world-wide weather observation.
POST POLONIUM ACTIVITIES: RADIOISOTOPIC THERMOELECTRIC GENERATOR PROGRAM- In 1954, the radioisotopic thermoelectric generator fueled with polonium-210 was invented at Mound. This invention used heat from radioactive decay of polonium-210. The first Space Nuclear Auxiliary Power (SNAP) generator, SNAP¬3A fueled with polonium-210, was demonstrated in 1959. However, use of polonium-210 in space application proved to be impractical.
The development of plutonium-238 heat sources was started at the Mound in 1961. Since their development, these units have been used on a variety of space missions including several lunar missions, weather satellites, navigational satellites, and deep space missions such as Voyager I and II. The most recent missions for use of radioisotopic thermoelectric generators have been Galileo, which is studying the planet Jupiter, the Ulysses, which is looking at the polar regions of the Sun; and most recently, for the Cassini mission in 1997, where the planet Saturn will be studied. These units provide heat and electrical power for spacecraft.
Mound researchers also played a pioneering role in American’s space program with the invention of the radioisotope thermoelectric generator (RTG), a device that converts heat from a decaying radioactive isotope into electrical energy with no moving parts. Beginning with Pioneer 10 in 1972, RTGs have powered all the deep space probes beyond the orbit of Mars. Pioneer 10’s RTG powered the craft for more than 30s before its signal faded beyond detection in 2003. RTGs also powered experiments that Apollo astronauts placed on the moon.
Originally posted by Eurisko2012
Your VASIMR looks good but i think i found something better.
Originally posted by jra
Originally posted by Eurisko2012
Your VASIMR looks good but i think i found something better.
In what way is it better? The wiki link, and the video didn't show me that it was better. It seems like it's still very much in the hypothetical/conceptual stage and that nothing has really been done with it.
Google Video Link |