I cant believe that the millennium falcon jump drive sound effect comes from (Oh boy here's the list) the inertia starter from a 1928 biplane, an airjet from a dentist's office, the sound of an arc light motor stopping and starting, tank turret motors, and the rattling water pipes from inside Luscasfilm's office.
╰(⇀︿⇀)つ-]═─── ──═[-( ಠ益ಠ )ノ