Quote:
Originally Posted by Spanrz
You would have to have a very long burning fuel/charge, to keep up the speed until exit of the barrel.
I would have a guess that gravity would take over as soon as the charge stopped burning.
Also when it stops burning, it cools (the air) and would create a vacuum, defeating the charges propulsion.
It would have to keep burning until it left the shaft/barrel. Unless you had a design of venting or constant charges along the shaft.
One for Mythbusters?
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Would a magnetic drive work
