Thursday, August 27, 2009
![GAMBAR ROTOR](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-fxXTZg1lIe9lToNs70j7-hnIGQVTzspw6UFrvifZoFMi89PTk2h2LCRoqgQeUxgB3egU8B1uCs0fWgv1JIvR_KMbBugdG8_T_BhSO1QCM6P_m8Tp6dtgAsFFxedNRfjuXh3dZlUBaubi/s400/cutaway-view.jpg)
Copper Shines in
Motor Rotors. A cutaway view of a Siemens motor equipped with a copper rotor. A point to note is that the motor lacks a fan. The cooler-running copper-rotor models don’t need one, thus eliminating losses from windage. A cutaway view of the rotor itself is at right.