◆ SpookStack

RESTRICTED ce. Odor (if any). d. Rate of evaporation. e. Does trail vary with sound? (spurts) Effect on clouds. a. Opened path thru clouds. b. Forced cloud or mists. c. Reflected on cloud. d. Showed thru cloud. Lights. a. Reflected or attached. b. Luminous ec. Blinked on and off in relation to speed. Support Wings. Aerodynamic list of fuselage. Vertical jet. Rotating cylinder or cone. e. Aerostatic lift (balloon or dirigible). Propulsion. a. Propeller or jet. Rotor. Aerodynamic vanes (flapping or oscillating) (Katz Mayer effect). Visible exhaust or jet openings. Control and stability. a. Fins b. Stabilizers (horizontal or vertical). (1) Size. (2) Shape. (8) Loeation. RESTRICTED