2017年5月30日星期二

The rotation principle of Finger Spinner

​Refers to the rotary symmetry of the gyroscope is a bidirectional or multidirectional body as the main body, in the combination among the main bearings are designed into a whole, form a plane rotation device, can also be the same weight in the symmetrical mosaic bidirectional or multidirectional configuration.
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 Based on the principle of centrifugal force when the objects in the non linear movement (non Newtonian environment, such as circular motion objects must exist), due to the quality of their quality, the tangential direction caused by the inertia force will continue towards the object trajectory (straight line direction of the original moment going forward, which refers to the rotary gyroscope) in the centrifugal force configuration under high speed rotation drives the intermediate bearing. 
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The calculation formula of the centrifugal force size: F=a*ma= ^2*r= (v^2) /r=[4* (n ^2) *r/T^2}; m - object quality in the formula refers to the angular velocity Omega object circular motion, circular motion of the R object radius, T refers to the periodic object of circular motion, a pi pi, this formula can be derived from the fingertip speed gyroscope soon, the swing arm gyro to fingertip long, configuration of the weight to be heavy enough.
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 Of course, the fingertip gyro works in a Newtonian environment, and the size of the friction force is the determining factor for the long-lasting rotation of the fingertips.
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