pitch-control rod angle
31Double bass — Contrabass redirects here. For other uses, see Contrabass (disambiguation). Not to be confused with Acoustic bass guitar. For the technique used in percussion, see Double bass drum. Double Bass Side and front views of a modern double bass with a… …
32Loudspeaker — For other uses, see Loudspeaker (disambiguation). An inexpensive, low fidelity 3½ inch speaker, typically found in small radios …
33stringed instrument — a musical instrument having strings as the medium of sound production, played with the fingers or with a plectrum or a bow: The guitar, the harp, and the violin are stringed instruments. * * * Any musical instrument that produces sound by the… …
34Bass drum — The drum kit …
35Harp — A medieval harp (left) and a single action pedal harp (right) String instrument Hornbostel–Sachs classification 322 5 (Composite chordophone sounded by the bare fingers) …
36Kakapo — Conservation status Critically Endangered ( …
37Rogallo wing — in favor of using round parachutes.ConstructionA Rogallo wing is composed of two partial conic surfaces with both cones pointing forward. Slow Rogallo wings have wide, shallow cones. Fast subsonic and supersonic Rogallo wings have long, narrow… …
38Tap and die — Not to be confused with Tool and die. Taps and dies are cutting tools used to create screw threads, which is called threading. A tap is used to cut the female portion of the mating pair (e.g., a nut). A die is used to cut the male portion of the… …
39football — /foot bawl /, n. 1. a game in which two opposing teams of 11 players each defend goals at opposite ends of a field having goal posts at each end, with points being scored chiefly by carrying the ball across the opponent s goal line and by place… …
40AIM-9 Sidewinder — Infobox Weapon is missile=yes name=AIM 9 Sidewinder caption= origin= United States type=Short range air to air missile used by= manufacturer=Nammo Raytheon Company Ford Aerospace Loral Corp. unit cost=US$85,000 propellant= production… …
