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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 ...
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.
Whirligig store. A whirligig is an object that spins or whirls, or has at least one part that spins or whirls. It can also be a pinwheel, spinning top, buzzer, comic weathervane, gee-haw, spinner, whirlygig, whirlijig, whirlyjig, whirlybird, or simply a whirly.
Bottom bracket: The bearing system that the pedals (and cranks) rotate around. Contains a spindle to which the crankset is attached and the bearings themselves. There is a bearing surface on the spindle, and on each of the cups that thread into the frame.
A skill toy is an object or theatrical prop used for dexterity play or an object manipulation performance. A skill toy can be any static or inanimate object with which a person dances, manipulates, spins, tosses, or simply plays. Most skill toys are played alone, although some can be played with multiple people (such as footbag, juggling, and ...
The concept is similar to Battling Tops, a spinning top game developed in 1968, and to the traditional spinning top games of gasing pangkah and pambaram and the previous Japanese toy line of Spin Fighters (1993–1997). The toy line was introduced with an accompanying manga series of the same name in 1999. The manga ran from 1999 to 2004, while ...
Box for a WHEE-LO toy The Schylling "magnetic gyro toy" has a design that is very similar to the original WHEE-LO toy. WHEE-LO is a trademark for a handheld toy that propels a plastic wheel along both sides of a metal track with magnets built into the wheel. As the track is tilted up and down, the wheel rolls the length of the track, top and ...
This will account for enough room for an oversized axle, while also having enough room for big ball bearings, this in comparison to the traditional BSA in 34.6mm. A bottom-bracket made for 46mm pressfit can be threaded up to a fit for a 47mm bottom-bracket and will have approximately a 46mm inside diameter. The T47 standard had a shell width of ...