super-advanced propulsion systems, page 1
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reply posted on 10-11-2008 @ 05:10 PM by Anonymous ATS
reply to post by jay.mo



Research the Russian Ajax Program and them google "Jean Pierre Petit". Helps if you speak french. He has done quite a lot of research about using MHD drives for high altitude high speed propulsion.

There is a lot of activity going on with this technology.

www.flightglobal.com...

www.mhdprospects.com...
www.savoir-sans-frontieres.com...
www.abovetopsecret.com...

Hope this helps.
Tony


reply posted on 10-11-2008 @ 06:37 PM by Scramjet76
reply to post by jay.mo



Hey there, I can tell you a bit about scramjets! Here is an old thread I did about scramjets way back when.

The problem with scramjets is their ineffectiveness below Mach 4-5. Unfortunately converting a plane to a hybrid is easier said than done. Adding parts is adding weight and defeating the simplicity of scramjet design.

As far as I know laser propulsion has been theorized for space travel. I think it's kind of like a solar sail except it gets its energy from a ground laser instead of the sun. The acceleration is slow but steady and there is no need to carry fuel aboard the craft.

There are several different types of plasma propulsion engines. They are similar to a rocket in that the propellant must be carried onboard the ship. Although less powerful, they are more effiecient than a rocket.

I'm not sure any of these have moved past the prototype testing stage. Scientists are still trying to get a handle on which one would be best for a specific purpose. I.e. A scramjet won't be used to get to Mars but a Laser Sail might!



reply posted on 11-11-2008 @ 06:01 AM by sovietman
Originally posted by chapter29
reply to
post by sovietman





I did make a search and found no such thread.


So ya searched, huh..?



Yes I did and got the same results as you did. And I can't see any other thread than mine talking about advanced (exotic) propulsion systems in general


And thanks scramjet76 for you thread. Does anybody know much on PDEs, because they seem promising, since they have better efficencies than rockets, need no oxygen in atmosphere and are useful for vacuum use as well...
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