reduction gear
11Bevel gear — Bevel gears are gears where the axes of the two shafts intersect and the tooth bearing faces of the gears themselves are conically shaped.Bevel gears are most often mounted on shafts that are 90 degrees apart, but can be designed to work at other …
12Immigration reduction — refers to movements that advocate a reduction in the amount of immigration allowed into their country. This can include a reduction in the numbers of legal immigrants, advocating stronger action be taken to prevent illegal entry and illegal… …
13Drag reduction system — DRS in action: open above, closed below Driver adjustable bodywork,[1] commonly known as drag reduction system (or DRS), is a motorsport technology aimed at reducing aerodynamic drag in order to promote overtaking in Formula One. DRS was… …
14double reduction axle — A drive axle construction in which two sets of reduction gears are used for extreme reduction of gear ratio …
15bycatch reduction device — A modification to fishing gear to reduce the catch or kill of bycatch species during fishing operations …
16Automobile self starter — An automobile self starter (commonly starter motor or simply starter ) is an electric motor that initiates rotational motion in a car s internal combustion engine before it can power itself. History Both Otto cycle and Diesel cycle internal… …
17Rolls-Royce Merlin — Merlin The Rolls Royce Merlin …
18Allison V-1710 — The Allison V 1710 aircraft engine was the only indigenous US developed V 12 liquid cooled engine to see service during WWII. A sturdy and trustworthy design, it unfortunately lacked an advanced and efficient mechanical centrifugal supercharger.… …
19Bell P-39 Airacobra — P 39 Airacobra P 39Q 1BE 42 19447, Saga Boy II of Lt. Col. Edwin S. Chickering, CO 357th Fighter Group, July 1943 Role Fighter …
20Bristol Mercury — Mercury Preserved Bristol Mercury VII on display at the Royal Air Force Museum London Type Piston …
