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Quote:

Originally Posted by mike734 (Post 196698)

Also on the EMB-120. running the bleeds in auto on the ground is WAAAAAY better to cool the cabin. If you forget to change them back to low for TO they should "automatically" switch back. If you get a hot smelly pack on the ground with the bleed in Auto, your pack cooling fan is F'd up. Write it up.

Thanks in advance from all your suffering passengers. :D

Auto/Norm is my friend. Although sometimes we just switch to the apu during taxi and get better results. Unfortunately a fancy new paint job doesn't quite do a good job of distracting you from the fact that the packs suuuuck. :p

You CRJ guys need the EMB APU. I have sat out there for hours blowing and snow ice pellets in the cockpit. HAHE Its great:D

Quote:

Originally Posted by Seatownflyer (Post 196763)

Since my company insisted on operating the AC on the ground with packs low/bleeds low (norm?). I used to reach over to switch the left bleed to auto and the xbleed open. That way we got nice cooling on the gnd. The APU was good but too often you get the exhaust smell.

Quote:

Originally Posted by mike734 (Post 196826)

true enough. the exhaust isn't so fun.

Quote:

Originally Posted by BeaglePilot (Post 196575)

I have spent alot of time sitting on taxiways in kennedy, with the door closed thank you very much! The APU is a MEL'able item and not very strong arguement for refusing airplane, regardless of how hot it is outside. There is a more diplomatic solution to the problem. You accept the airplane ask for extra gas (since you will have to run a motor the entire time) and you go out and taxi. If you just so happen to go below min T/O becuase your delay was too long.... OH WELL!!!!! You will then return to the gate, hopefully sometime the same day:D

Beagle

"The APU is a MEL'able item and not very strong arguement for refusing airplane, regardless of how hot it is outside."[/quote]

That's precisely my point a real PIC knows that there is no argument. What he says goes or he doesn't. Some of this is type specific. Some aircraft have full duct pressure on one engine at idle. The one's that don't usually require a strong captain to protect his passengers from a sweaty and sometimes dangerous hell. I don't give a rat's a** what the mel says. If an elderly person has an episode on your airplane due to the heat, your judgment will be seriously called into question by the FAA, your company (yes the same company that would have tried to make you take the A/C had you tried to refuse it), and the plaintiff's attorney. Before you upgrade grow a pair and learn to use them.