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Emergency Slides  
User currently offlineCrank From Canada, joined May 2001, 1564 posts, RR: 2
Posted (14 years 2 months 4 days 14 hours ago) and read 1565 times:

how does the air get in the emergency slides so fast?

what's the system?


3 replies: All unread, jump to last
User currently offlineBWIrwy4 From United States of America, joined Nov 2001, 940 posts, RR: 1
Reply 1, posted (14 years 2 months 4 days 13 hours ago) and read 1543 times:

Probably a pressurized CO2 tank, similar to an inflatable life jacket but on a bigger scale.

User currently offline744rules From Belgium, joined Mar 2002, 408 posts, RR: 0
Reply 2, posted (14 years 2 months 4 days 8 hours ago) and read 1524 times:

one of the checks the cabin crew have to do is to check the pressure is within limits before pax board the a/c, but i don't know if co2 is used

User currently offline747Teach From United States of America, joined Nov 2000, 176 posts, RR: 1
Reply 3, posted (14 years 2 months 4 days 7 hours ago) and read 1513 times:

Crank: The Boeing Maintenance Manual, Chapter 26-69-00, Description and Operation, says this about the slides. The slide/raft (in this case) uses stored gas pressure from a bottle in the pack to activate the 2 slide inflation pumps. These pumps induce ambient air at several times the volume of the stored gas bottle, into the slide to cause inflation. In other words, the gas bottle powers the inflation pumps, which then bring in ambient air to fill the slide. The bottles themselves don't have enough volume to fill a large slide/raft combination. The regulator on the bottle senses when the slide is almost full, and does port a small amount of bottle pressure into the slide to complete the fill process, and make the slide "tight." Of course, there are valves downstream from the inflation pumps to prevent the inflation air from returning to ambient, and overpressure valves to prevent overinflating the slide. Hope this answers your question. Regards,

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