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A spinning top, or simply a top, is a toy with a squat body and a sharp point at the bottom, designed to be spun on its vertical axis, balancing on the tip due to the gyroscopic effect. Once set in motion, a top will usually wobble for a few seconds, spin upright for a while, then start to wobble again with increasing amplitude as it loses ...
Spinning tools can be made of hardened steel for use with aluminum, or from solid brass for spinning stainless steel or mild steel. Some metal spinning tools are allowed to spin on bearings during the forming process. This reduces friction and heating of the tool, extending tool life and improving surface finish.
The wash tub is hexagonal and constructed of laser-perforated stainless steel, spinning above a half-octagonal stainless steel base. [4] Because the distance between the spinning tub and the base is in constant flux, water is force-injected through the perforations into the clothes.
ForeverSpin is a Canadian company that manufactures metal spinning tops, which have a similar appearance to the top seen in the 2010 film Inception. [3] The company funded the initial manufacture of its tops through crowdfunding campaigns. [4] [better source needed] [5] [better source needed]
The Wizzzer or Wiz-z-zer is a gyrostat toy introduced by Mattel Toymakers in 1969, and introduced the spinning top to modern children. The "twist" (innovation) was the use of a super-spinning, high-tech bearing, that allowed the top to spin at very high speed and remain standing for a long period of time.
A rattleback is a semi-ellipsoidal top which will rotate on its axis in a preferred direction. If spun in the opposite direction, it becomes unstable, "rattles" to a stop and reverses its spin to the preferred direction. For most rattlebacks the motion will happen when the rattleback is spun in one direction, but not when spun in the other.