pitch gear
81Climbing styles — Rock climbing may be divided into two broad categories: free climbing and aid climbing. * Free climbing requires the climber use only his/her bodily strength for upward progress. Commonly confused with free soloing which means to climb without a… …
82DigiTech Whammy — Contents 1 DigiTech WH 1 Whammy 1.1 Overview 1.2 Controls 1.3 Notable users 2 DigiTech Whammy II …
83Control line — Brodak Control Line Aerobatic Strega in flight Control line (also called U Control ) is a simple and light way of controlling a flying model aircraft. The aircraft is connected to the operator by a pair of lines, attached to a handle, that work… …
84Denny Kitfox — Infobox Aircraft name = Kitfox caption = Denney Kitfox Mark II type = kit aircraft national origin = USA manufacturer = Denney Aircraft, SkyStar Aircraft designer = Dan Denney first flight = November 1984 introduction = retired = status = primary …
85Hobbing machine — A hobbing machine is a special form of milling machine that cuts gears. It is the major industrial process for cutting (as opposed to grinding) spur gears of involute form.The machine forms the gear via a generating process by rotating the gear… …
86Rock climbing — History Styles Technique Equipment and protection Grades (difficulty of climb) Terminology Belaying Abseiling …
87flight, history of — ▪ aviation Introduction development of heavier than air flying machines. Important landmarks and events along the way to the invention of the airplane include an understanding of the dynamic reaction of lifting surfaces (or wings), building… …
88Glossary of climbing terms — This page describes terms and jargon related to climbing and mountaineering. Contents: Top · 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A …
89Piston valve — A piston valve is a device used to control the motion of a fluid along a tube or pipe by means of the linear motion of a piston within a chamber or cylinder.Examples of piston valves are: * The valves used in the valve gear of many stationary… …
90Turbo-Hydramatic — Infobox Automobile name=Turbo Hydramatic production=1964– manufacturer=General Motors class=3 speed longitudinal automatic transmission predecessor=Dynaflow Hydra Matic Powerglide Jetaway Super Turbine 300 successor=4L60 E/4L65 E 4L80 E/4L85 E… …
