Ski Rack
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Rack
Rack may mean:
Rack (torture), a torture device
Rack (knot theory), an algebraic object used in knot theory
Rack and pinion, a type of gear used for steering an automobile
19-inch rack, a standardized system for mounting computers and other electronic modules in a vertical frame
Rack railway
to Rack is to distort or to tend to distort, laterally as in changing a rectangle to a non-rectangular parallelogram. It is a notion particularly important in naval architecture.
Rack may also mean:
A triangular holder used to set up billiard balls; see billiards
To transfer a liquid, such as wine, from one container to another; see wine making
The set of equipment carried up a climb; see glossary of climbing terms
A woman's breasts, in American English slang; see body parts slang
Rack please, can you add some info about a computer rack, what does de number + U mean, and so on?
Thanks.
comment above written by User:62.57.113.244, please sign your posts.
I added a definition for computer rack — J3ff 00:46, 20 Nov 2004 (UTC)
Rack And Pinion
A rack and pinion is a pair of gears which convert rotational motion into linear motion. The circular ''pinion'' engages teeth on a flat bar - the ''rack''. Rotational motion applied to the pinion will cause the rack to move to the side, up to the limit of its travel.
The rack and pinion arrangement is commonly found in the steering mechanisms of cars or other wheeled, steered vehicles. This arrangement provides a lesser mechanical advantage than other mechanisms such as recirculating ball, but much less backlash and greater feedback, or steering "feel".
For ''rack and pinion railways'' see Cog railway
Category:Automotive steering technologies
Category:Mechanical engineering
Bicycle Rack and rack at Harvard College]]
A bicycle rack is a device to which a bicycle can be securely attached to prevent theft. The rack is in turn anchored to the ground or a solid structure such as a building wall.
Early models tend to offer a means of securing one wheel: these can be a grooved piece of concrete in the ground, or a forked piece of metal into which a wheel of the bicycle is pushed. These are not very effective, since a thief need only detach the wheel in question from the bicycle to free the rest of the bicycle. They also do not offer much support, and a row of bicycles in this type of rack are susceptible to all being toppled in a domino effect. These types of rack are known as "wheel benders" among cyclists.
The more modern version is known as the "Sheffield rack", after Sheffield in England where they were pioneered. These consist of a thick metal bar shaped like a square arch. The top part is about level with the top bar of the bicycle frame, and thus supports the bicycle and allows the frame to be secured.
A bicycle rack is also a device attached to an automobile or bus for transporting bicycles.
Also, a bicycle rack may refer to a device attached to the bicycle to which cargo or panniers can be attached. This is popular with utility bicycles and touring bicycles.
Rack
Rack
Category:Street furniture
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Ski Rack
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Ski Rack
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