Dreamliner in DJ livery

[Stone]

It is not the pressure that is important (although it does fall with increasing altitude), but the oxygen content. Pressurising a cabin to a lower altitude will increase the oxygen content and (allegedly) improve jet lag.

 

[Justchecking]

It is not the pressure that is important (although it does fall with increasing altitude), but the oxygen content. Pressurising a cabin to a lower altitude will increase the oxygen content and (allegedly) improve jet lag.

Allegedly being the operative word here. Can't say I'm really looking forward to the denser oxygen levels onboard the dreamliner, I definately won't be making my flying decisions based on that.

 

[samh004]

If ever there was a time for Qantas to accelerate 787 adoption into the Qantas fleet over Jetstar, it would be if Virgin Australia announced an order. Jetstar may have been a competitor at one stage, but not really anymore.




 

[markis10]

Chances are QF will have their dreamliners before DJ regardless.

 

[Simsy85]

Obviously the image is photoshoped.. but by image i mean the image on the screen *IN* the picture - IE photoshopped by Boeing.

That is the exact setup they had on board.

It's legit.

 

[markis10]

It certainly will be interesting to see how orders go for airlines over the next few years, it looks like the whales are struggling with no interest in new A380 or 747 orders!

 

[seven3seven]

In actual fact it is a pressure thing...oxygen content at 40,000ft is practically the same (percentage wise) as it is as sea level but there is just not enough pressure to deliver it to the lungs.

 

[medhead]

Firstly I should say that my comment about the pressure was fully addressed when reminded of the context.

Yes, but in the context of the quote, it was in reference to the A380 which has a cabin altitude of 5000, the reference to the 777 was pointing out it is a difference not mentioned in an earlier post which is now referenced.

In actual fact it is a pressure thing...oxygen content at 40,000ft is practically the same (percentage wise) as it is as sea level but there is just not enough pressure to deliver it to the lungs.

Indeed, the air is "thinner" (a non-technical term related to pressure) at higher altitude but the content is relatively unchanged. Hence, less oxygen per unit volume inhaled.


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