RF-4's, F-4C&D models, Navy, and USMC F-4's had boundry layer control that blows bleed air over the wing from the leading edge flaps. After a rain the ducts filled with water and sprayed out when the plane dropped the flaps. When we got a new guy we'd ask them if they wanted to see how the BLC worked (after a rain)?

Last edited by Dave_in_WV; 02/17/12.
The Karma bus always has an empty seat when it comes around.- High Brass

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