cooperplace Posted August 9, 2015 Posted August 9, 2015 I just got back from a week in Seattle, and while there I noticed these fat pipes connected to jets (eg 737s) while they are on the ground. About 500-600mm in diameter and obviously inflated with air (or some gas) and connected to a port on the bottom of the plane. I've never seen these here. Does anyone know what they are?
facthunter Posted August 9, 2015 Posted August 9, 2015 Ground supply airconditioning air. Saves running the APU. Fuel saving. Nev 1
Guest asmol Posted August 9, 2015 Posted August 9, 2015 They are air conditioning tubes to supplement the planes on-board air conditioners while the plane is at the gate, they work in summer and winter but mostly summer unless your in Alaska or Denver ! Also a lot of USA carriers have the window shades drawn to stop heat build-up whereas in AU with always have them open.
Guest asmol Posted August 9, 2015 Posted August 9, 2015 Ground supply airconditioning air. Saves running the APU. Fuel saving. Nev The APU is always running regardless of weather or not the gate aircon is connected. Its needed for avionics and other 'life support'
bexrbetter Posted August 9, 2015 Posted August 9, 2015 Liars, they are chemical storage transfer pipes for chemtrails! 8
facthunter Posted August 9, 2015 Posted August 9, 2015 Not necessarily You can have ground power or just shut it down if extended period on the ground. You can also operate without a serviceable APU with an air supply for starting the first engine, and crossbleed for the others.. Nev 2
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