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propeller in space?
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Spaceflight Enthusiast  
Joined: Tue Sep 26, 2017 4:15 pm
Posts: 1 
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 propeller in space? Posted on: Tue Sep 26, 2017 4:33 pmHello to everyone. I'm new to this forum , but have something on my mind concerning space flight. I know a propeller can't be used in space, but what if the propeller was encased in a metal cylinder with holes at the back. Air was then blown over the front of the propeller and ejected through those holes. Would this form a propulsion?
I look forward to reading your comments |
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Space Station Member 
Joined: Sun Dec 30, 2007 6:16 pm
Posts: 342
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Re: propeller in space? Posted on: Thu Oct 12, 2017 8:34 pm Well, it would *work*, but you have to carry the air. Given the very low exhaust velocity of such a system, you won't be able to go that fast.
Basically, what you'd have is a more complicated cold gas thruster. |
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