Delta announces 75 CS100 purchase

Derg said:
I think I've opened a window in a jet maybe twice in the last five years.

If you're hot up front, they're hot in back, RUN THE PACKS.

And they can't hear you on the ground when you scream from upstairs in the bigger jets.
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Since you never flew the CRJ, I'll go with, sometimes. When you're in the greenhouse it's often much hotter than the back. No reason to waste company gas when there aren't any passengers on board. One thing our company is way better at than SJI's outsourced B/C area is ground power and air. 99% of the time hooked up, unlike the approximate 1% of the time.
 
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Derg said:
I think I've opened a window in a jet maybe twice in the last five years.

If you're hot up front, they're hot in back, RUN THE PACKS.

And they can't hear you on the ground when you scream from upstairs in the bigger jets.
Click to expand...

We open our windows all the time. Especially when the weather is nice and it creates a cool breeze across the cockpit. BUT, if I open the window, I keep our ECS synoptic page in view and the minute it starts to get a little warm in the back, I start the APU.

We are decent at hooking up external air, and combine that with the few minutes it takes to walk the cabin closing window shades and opening vents, the external air is more than enough to keep the cabin cool. Cockpit... not so much.

I always seem to have to open it in PBI. Notorious for telling us after we close the door and pull the jetbridge that the headset is inop...
 
Derg said:
I think I've opened a window in a jet maybe twice in the last five years.

If you're hot up front, they're hot in back, RUN THE PACKS.

And they can't hear you on the ground when you scream from upstairs in the bigger jets.
Click to expand...

Yes, please, RUN THE PACKS! And the APU. Seems like every time I'm in the back of a Mad Dog, the guys up front are APU Nazi's, and don't want comfortable passengers. They wait till the door is closing to turn on some AC, in the summer, on an airplane that is completely full.
 
SpiceWeasel said:
Since you never flew the CRJ, I'll go with, sometimes. When you're in the greenhouse it's often much hotter than the back. No reason to waste company gas when there aren't any passengers on board. One thing our company is way better at than SJI's outsourced B/C area is ground power and air. 99% of the time hooked up, unlike the approximate 1% of the time.
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The temp difference in the Challenger 300.

It's actually a bit cooler than 26 up here though. Maybe around 20. The pack is great in this thing though.
 

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Cptnchia said:
The 88 has an opening side window. I'm not stupid enough to open it though.
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Ha! So true. I'm still trying to figure out how that Rube Goldberg thing works. I don't think it would be possible to reverse engineer it.
 
mshunter said:
One pack? Strange, but I guess space might be at a premium. How's it work?
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In simple terms. Like in most packs, the air is super cooled and then heated by bleed air to a comfortable temp. Well that pre cooled bleed air is called trim air on the challenger 300. If there is a pack fail, you put the switch to trim air only (a memory item) . So now the pre cooled bleed air is bypassing the pack and dumped right into the cabin.
 
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