Chowist Web Search

Search results

1. Results From The WOW.Com Content Network

2. Rack and pinion - Wikipedia

   en.wikipedia.org/wiki/Rack_and_pinion

   A rack and pinion is a type of linear actuator that comprises a circular gear (the pinion) engaging a linear gear (the rack ). [ 1] Together, they convert between rotational motion and linear motion: rotating the pinion causes the rack to be driven in a line. Conversely, moving the rack linearly will cause the pinion to rotate.

3. Rack railway - Wikipedia

   en.wikipedia.org/wiki/Rack_railway

   Rack railway. The Pilatus Railway is the steepest rack railway in the world, with a maximum gradient of 48% and an average gradient of 35%. A rack railway (also rack-and-pinion railway, cog railway, or cogwheel railway) is a steep grade railway with a toothed rack rail, usually between the running rails. The trains are fitted with one or more ...

4. Rack unit - Wikipedia

   en.wikipedia.org/wiki/Rack_unit

   Rack unit. A rack unit (abbreviated U or RU) is a unit of measure defined as inches (44.45 mm). [1] [2] It is most frequently used as a measurement of the overall height of 19-inch and 23-inch rack frames, as well as the height of equipment that mounts in these frames, whereby the height of the frame or equipment is expressed as multiples of ...

5. Rack (torture) - Wikipedia

   en.wikipedia.org/wiki/Rack_(torture)

   The rack is a torture device consisting of a rectangular, usually wooden frame, slightly raised from the ground, [ 1] with a roller at one or both ends. The victim's ankles are fastened to one roller and the wrists are chained to the other. As the interrogation progresses, a handle and ratchet mechanism attached to the top roller are used to ...

6. 19-inch rack - Wikipedia

   en.wikipedia.org/wiki/19-inch_rack

   The ETSI rack is defined by the European Telecommunications Standards Institute (ETS 300 119). The distance of the right edge of the right mounting rail to the left edge of the left mounting rail is 535 millimetres (21.1 in). As 535 mm is very close to 21 inches, these racks are sometimes called 21-inch racks. The gap between the posts is 500 ...

7. Racks and quandles - Wikipedia

   en.wikipedia.org/wiki/Racks_and_quandles

   In mathematics, racks and quandles are sets with binary operations satisfying axioms analogous to the Reidemeister moves used to manipulate knot diagrams. While mainly used to obtain invariants of knots, they can be viewed as algebraic constructions in their own right. In particular, the definition of a quandle axiomatizes the properties of ...