Electric Motor Generator/Research Development
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Electric motors convert energy from kinetic to electrical (as in wind turbines), or from electrical to kinetic (as in the spraying pump in the freeze dried fruit powder machine). We need a design that is infinitely scalable in power and speed. Thus, we could produce motors for all applications, from pumps, vaccuum pumps, to hybrid car wheel motors. The challenge is to produce a smart design, where a larger or smaller motor can be built around the same design, such that the motor is essentially stackable for higher power. Electric generators are used in turbines, windmills, stationary power, hybrid electric vehicles, etc.
Electric Motor Development Template
Start with some dullish [ background]. Move onto real people involved in the industry - such as Hi-Torque Electric. Move over to advanced electrical generator options, such as bladeless turbines. Include open source motor controls, such as Open Source Motor Controller, but upgraded to full scaleability in voltage and power. There you have the context for electric motor development. Applications are many: hybrid electric cars and tractors, and dedicated electric motors for moving parts in advanced devices such as agricultural combines, with potential of significant simplification of mechanical devices.
Along with the need for an open source motor comes the need for motor control. There is already a fully tested and released open source motor controller called the ReVolt Cougar. It is designed for use with series wound DC motors of any voltage up to 144 at a maximum of 500 amps. The wiki can be found at 
ThinGap ring-shaped motor background on DC motor design
Universal motors can run on AC or DC; they have high starting torque and achieve high speeds, but they're noisy and the brushes wear out. DC Stepper motors; precise and high torque, but they require a controller Brushless DC motors; high efficiency and long life, but they require a controller Switched reluctance motors; low cost, high efficiency, long life, but requires a controller
- 3D printed