01-28-03, 02:32 PM
Using a magnetodrive (my word), which is basically a ring consisting of small superconducting electromagnet segments that use magnetic fields as propulsion (no fuel), and gravitational fields, how fast could you go? Scenario: A craft with a magnetodrive is in orbit around the Earth. It uses the magnetodrive to dip into the Earth's gravity well changing its orbit into an eliptical one. Near the far focus, it turns on the drive to pull it back to Earth and reduces the eccentricity of the orbit, accellerating at the same time. Doing this over and over, what is the maximum speed that the craft could accellerate to.
I don't understand what you're saying. You appear to be proposing some sort of reactionless drive.
01-28-03, 04:29 PM
what im trying to ask is how fast a spacecraft could travel using the Earth's gravitational field and this "reactionless" drive. look at the scenario.
01-28-03, 07:16 PM
Can you explain how this "reactionless drive" is supposed to work, exactly?
I'm teetering on the edge of moving this threads to the Pseudoscience forum. Where's the physics?
My interpratation of how this drive is supposed to work goes something like this...
The principle is like that of a spacecraft orbiting the moon to gain speed using it's magnetic pull. (example would be from Armageddon the movie when they used the moon to slingshot themselves up behind the meteor.) I think cassius1802 is talking of a drive that would use that same basic principle, but instead of using a rocket engine to break free of the magnetic pull it uses a "magneto drive" to create a magnetic field around the craft that would create enough repulsion to break free of the pull. It would drift away for a bit and then the drive would be switched off. If the craft weren't traveling too fast away from the planet hopefully the planet would start to pull it back in. With careful manipulation of the drive and it's forces one might be able to cause the craft to drop into orbit at a higher speed than before. I guess you might be able to continue this process for awhile. But with the increasing speed the craft would have to orbit at lower and lower altitudes so it wouldn't break orbit with the help of the drive.
Didn't you fellas know that you could strap a superconducting ring and a bar magnet to a cat and accelerate the cat to light speed without any energy input? It's great! You should see the look on his face when he hits 0.9c!
01-29-03, 02:24 PM
ok, can any one explain what this propulsion device is and how it works, possibly an explaination of the parts and what goes where might be helpfull. Plus don't call it a "magneto drive" its very confusing as this is a type of disk storage device in computers. thnx to anyone who tries to explain this to me.
01-29-03, 02:32 PM
also there is another type of propulsion device called a Magneto plasma dynamic thruster which to me basically looks like an ion rocket, is this what you are talking about?
In about 1958 a guy named Norman Dean patented what he called a reactionless drive. I hindsight, what he was trying to do was to rectify the force of two rotating masses. The motion of the device was back and forth along a track coupled with springs. He had a another spring that "helped" in one direction. This was to provide a DC component to the AC force.
This thing caused a stir among the crazys, and I was one of them.
His demo was to have this thing climb up a steel tape. It was a trick. Put any friction on this device and it would move. Put it in space and it went no where. I built modifications of this. You can make a whole set of machinery which matches AC electronics.
Problem is it would shake the world.
I certainly learned physics on this. At least these could be made into machines. Lets try to separate Star Trek from reality.
Beam them down Scotty.