Getting a large DC motor however can sometimes be difficult. Here is a writeup on how to make a generator from an old washing machine drive. It looks like you might need to find a specific machine ...

Here is an overview of the basic relationships between speed, voltage, torque and current when using brushed DC motors as generators. When operating a motor as a generator, the shaft is ...

It also features a new winding diagram ... complexity of the motor geometry they wish to design. The MotorSolve software suite supports brushless dc/PMAC (BLDC), induction machine (IM), switched ...