He is brainy but a scaredy cat as he says in the books. He has several friends and has a sister name Thea ,two cousins named Trap and Dino ,a nephew named Benjamin ,a granfather named William and more. He likes Cheesy Chews. He is the main character of the series. He is also a secret agent.
High Efficient Furnace Blower Motors. Utilizing ECM Technology. ECM (electronic commutated motor) is a brushless DC motor with a permanent magnet rotor and a built in inverter. DC motors are more efficient than AC motors. They are also more expensive.
ESCs, in a broader sense, are PWM controllers for electric motors. The ESC generally accepts a nominal 50 Hz PWM servo input signal whose pulse width varies from 1 ms to 2 ms. When supplied with a 1 ms width pulse at 50 Hz, the ESC responds by turning off the motor attached to its output.