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Originally posted by rickymouse
I'm kind of thinking that the most efficient way to make fuel for spacecraft is to quit building the spacecraft that aren't completely necessary
Oh well, I suppose that will never happen, we'll keep paying for their littering the atmosphere till we can't afford to live anymore. What is going to happen when all the metal on earth is in outer space? We'll have to start recycling plants up there.edit on 1-7-2013 by rickymouse because: (no reason given)
Originally posted by lostbook
reply to post by theGleep
Well, I'm no expert but I have the idea that there should be a way to "pull" oneself in a Spaceship thru space. Space is too vast for liquid fuel propulsion, so why not use Space itself for propulsion? We now have Solar Sails which works in reverse of my concept by using sunlight to push a vehicle thru Space. Maybe the answer is a vehicle that can push or pull using Solar Sails depending which mode is enacted by the ship's pilots. That way the vehicle can speed up by pushing away from a star and slow down by pushing away from an approaching star.