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A centrifugal fan is a mechanical device for moving air or other gases in a direction at an angle to the incoming fluid. Centrifugal fans often contain a ducted housing to direct outgoing air in a specific direction or across a heat sink; such a fan is also called a blower, blower fan, or squirrel-cage fan (because it looks like a hamster wheel).
The AR-57 PDW upper is a new design on AR-15/M16 rifles, blending the AR-15/M16 lower with a lightweight, monolithic upper receiver system chambered in 5.7×28mm. This model is also sold as a complete rifle, supplied with two 50-round P90 magazines. [1]
An axial fan is a type of fan that causes gas to flow through it in an axial direction, parallel to the shaft about which the blades rotate. The flow is axial at entry and exit. The fan is designed to produce a pressure difference, and hence force, to cause a flow through the fan. Factors which determine the performance of the fan include the ...
Six 80 mm fans, commonplace components in earlier personal computers (either as a pair or mixed with fans of other sizes) A 30-millimetre (1.2 in) PC fan in a square black plastic chassis lying on the hub of a circular one of translucent plastic sized 250 mm (9.8 in)
A household electric fan A large cylindrical fan. A fan is a powered machine that creates airflow. A fan consists of rotating vanes or blades, generally made of wood, plastic, or metal, which act on the air. The rotating assembly of blades and hub is known as an impeller, rotor, or runner. Usually, it is contained within some form of housing ...
The Gemtech SFN-57, which was developed in 1998 specifically for use with the Five-seven, is a matte black aluminum suppressor with a length of 147 mm (5.8 in), a diameter of 32 mm (1.3 in), and a weight of 147 g (0.324 lb).
The AMC Matador is a series of American automobiles that were manufactured and marketed by American Motors Corporation (AMC) across two generations, from 1971 through 1973 (mid-size) and 1974 until 1978 (full-size), in two-door hardtop (first generation) and coupe (second generation) versions, as well as in four-door sedan and station wagon body styles.
38-year-old Ian Ashpole set a new altitude record for tightrope walking, crossing a 30-foot (9.1 m) steel bar suspended between two hot air balloons at a height of 11,420 feet (3,480 m). Ashpole fell while crossing the bar in the opposite direction, but survived because he was wearing a parachute .