speed reduction device
1Propeller speed reduction unit — A Propeller Speed Reduction Unit (PSRU) is a gearbox or a belt and pulley device used to reduce the output revolutions per minute (rpm) when compared to the higher input rpm of the powerplant. These arrangements allow the use of small… …
2Reduction — Reduction, reduced, or reduce may refer to:cienceChemistry*Reduction – chemical reaction in which atoms have their oxidation number (oxidation state) changed. **Reduced gas – a gas with a low oxidation number **Ore reduction: see… …
3Speed hump — A speed hump (also called a road hump or undulation,cite web |author=ITE title=Traffic Calming Measures – Speed Hump url=http://www.ite.org/traffic/hump.htm publisher=Institute of Transportation Engineers] and in Ireland called a speed ramp) is a …
4Reduction drive — A reduction drive is a mechanical device to shift rotational speed. A planetary reduction drive is a small scale version using ball bearings in an epicyclic arrangement instead of toothed gears.Reduction drives are used in engines of all kinds,… …
5Radar speed sign — Standard radar speed sign with block letters. Pictured with solar panel. A radar speed sign (also called a driver feedback sign, radar signs, Vehicle Activated Sign (UK), changeable message sign, Your Speed sign, radar feedback sign, speed radar… …
6Constant speed propeller — Cutaway constant speed propeller hub …
7oxidation–reduction reaction — ▪ chemical reaction Introduction also called redox reaction any chemical reaction in which the oxidation number of a participating chemical species changes. The term covers a large and diverse body of processes. Many oxidation– reduction… …
8Charge-coupled device — A specially developed CCD used for ultraviolet imaging in a wire bonded package. A charge coupled device (CCD) is a device for the movement of electrical charge, usually from within the device to an area where the charge can be manipulated, for… …
9Drag 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… …
10Differential (mechanical device) — For other uses, see Differential. A cutaway view of an automotive final drive unit which contains the differential Input …
