Railgun-Powered Ramjet Design

  • #1
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Recently, I designed (in my head) a Hypervelocity Passenger Vehicle (just a cool name for really high speed transports). I immediately ran into engine design problems ( I like designing everything stand-alone), since regular jet engines can't get to Mach 8.8 without burning up into flames, and rocket engines are too polluting (and also I was obsessed with nuclear jet engines which doesn't use up any fuel whatsoever)
So I spent roughly 2 minutes having a headache before coming up with an insane solution. A railgun-powered ramjet. (I named it Excel 1) However it would require laser-cooling systems to cool the Mach 8.8 air to a temperature where it becomes superconductive before being ejected out from the end by a railgun-style pulse engine design.

My questions: At which temperature would air become superconductive?
Is it possible to make a material which could sustain that temperature without shattering?
Would it be possible?
 

Answers and Replies

  • #2
anorlunda
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My questions: At which temperature would air become superconductive?
There is no temperature at which air becomes superconducting. In fact, as the different gases condense into separate liquids, it ceases being air.
 
  • #3
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How about oxygen?
 
  • #4
berkeman
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Thread closed for Moderation...
 
  • #5
berkeman
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@BoeingJet -- Please check your Private Messages so I can help you understand a few things about your OP. Thanks. :smile:
 

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