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Breath in those toxic fumes


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Breath in those toxic fumes

Old 02-07-2020, 05:14 PM
  #11  
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Originally Posted by rickair7777
There does exists the potential for toxic fluids to get past seals and into the bleed air. Also demonstrated that some fluids can be altered by the heat of compression at the bleed stage to produce REALLY toxic chemicals (ie nerve gas).

In future designs cabin air will probably be produced by an electric pressurization/HVAC unit like the 787. Or at least will have some more robust filters.
my point was this is not a Boeing only issue like the media is making out to be. In fact, Boeing is the only company working to fix it. The 787.
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Old 02-14-2020, 08:47 PM
  #12  
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Originally Posted by tomgoodman
The B-707 used a turbocompressor for A/C (the small inlet above the cowl). It was driven by 16th stage bleed air, but provided outside air instead of bleed air to the cabin.

https://images.app.goo.gl/RXxmeprqwmwK2nYz9
Douglass also pulled outside directly into the cabin on the DC-8. That is what the "gills" are for.
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