On Sat, 23 Mar 2013 06:25:58 -0500, Andrew Chaplin
wrote:


What is fed by the duct between the main gear?

The intakes in the two bulges are the inlet for the air cycle machine
heat exchangers, which cool the hot air bled from the engines for air
conditioning of the a/c.
The exhaust outlets are the louvres at the aft end of the bulges.
Ken