RPM

by | Aug 17, 2014 | Engineering

Ok , so if I want 90 degrees per second rotation how quick is that and how fast would the motor have to be? The radius of the sphere is 700mm and C equals 2πr. The circumference is 4398.23mm. Divide that by 4 and we get our 90 degree slice of the sphere. 1099.5575, or...