The article provides information on the baseball pitch called gyroball. The pitch was developed by two Japanese scientists who study sports mechanics. Gyroball breaks as much as three feet ...
In baseball, a gyroball is known as a pitched ball which has its rotation axis oriented towards the catcher, i.e., in flight direction, and therefore does ... Y Yokoyama,T Miyazaki,R Himeno - 《Nagare》 被引量: 4发表: 2008年 Drag Crisis of Gyro-balls Using a high-speed video camer...
Gyro Gearloose is an anthropomorphic chicken created by Carl Barks for the Walt Disney Company, first appearing in Barks' 1952 comic Gladstone's Terrible Secret. He is part of the Donald Duck character cast, appearing in stories as a friend of Donald Duc
A gyro ball was actually pitched to investigate the difference to a fastball. A table-tennis ball with a imitated seam was used to magnify the influences of the aerodynamic forces. The Reynolds number based on a diameter of the ball was 0.8 脳 10{sup}5. Under this circumstance the lift ...
The rotor has a cylinder rotatably driving a crown-ball joint (4). A roller bearing has a triangular crown (11) freely moved along the axis. The crown-ball joint is connected to levers (25) of shanks of blades (26) by balls (19-21) via tie rods (22-24) such that pitch angle ...