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optimistic
 
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# Posted: 9 Feb 2014 05:10pm
 
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  http://www.youtube.com/watch?v=LBHVKFCoYFc
  
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Gregjman
 
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# Posted: 9 Feb 2014 10:37pm
 
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  Wonder what one of those sets you back?  Pretty cool though. Must be some powerful fan...
  
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EastTN
 
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# Posted: 9 Feb 2014 10:48pm
 
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  They are very expensive. If I recall 30K to 40k.
  
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Truecabin
 
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# Posted: 11 Feb 2014 12:58pm
 
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  not a powerful fan, 1 psi lifts 144 pounds per square foot it probably takes 1/10 psi to lift that and you can blow that with your mouth easy but a fan would be better  
  the cost is because its all prebuilt and the setup time is 24 hours
  if you want a shelter like that you can make it from hardware cloth and spray cement on like spraying a pool for much less cost or trowel it on less $$ takes more time
  that shelter is interesting but the ugliest $30000 ive seen yet if ugly is ok and you dont need it in 24hours then do it for $300
  
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