# Is flywheel free energy possible? – Free Energy Principle Reddit

To understand how flywheel energy could be attained, it is first necessary to understand how energy is lost in motors.

As explained in more detail recently here, Energy loses are caused by the mechanical energy released from the electric motor in the combustion process. As well as the mechanical energy, waste heat also is lost.

We have seen that when one of the moving parts fails, the entire assembly stops, and there is no further power, because the internal energy reserves are drained away.

When the motor is running, and there is no wasted energy, the engine works as usual. The engine’s internal energy stored in its cylinders is released by the combustion process. A typical power rating for an engine of similar weight and power to that of a helicopter is around 3 kW. An ordinary car can use much more power or mass than a helicopter. If the weight and the power are similar the internal energy in the engine and in the wheels will be the same. The helicopter does not produce any wasted energy because it uses a different mechanical process but when the motor breaks there is no wasted energy.

It is important that there is no waste energy in a motor because the electricity is then fed back to the generator.

We can use an example to illustrate how this works. Figure 5 shows the generator, or in other terms an external circuit, that feeds the electricity which powers the generator. The energy which goes into a motor is generated by the internal kinetic energy of the rotor blade. One type of rotor blade uses a system of blades with teeth, and the teeth of other blades are called spokes, in that the spokes are connected to the blades.

The motor’s mass is of some importance. The rotor blades of a helicopter weigh as little as 500-700 grams, compared to a car which has a mass of around 3000 grams. Therefore, if the rotor blades of a helicopter are of equal strength then an equivalent amount of power could be generated by the rotor blades of the helicopter motor in the same period of time. The rotor blade power is then converted into electrical energy that powers the rotor blades of the helicopter. This would require a motor with the same mass as the helicopter, or very similar in mass.

Now imagine what that would look like in terms of energy loss from the helicopter’s motors.

We are dealing with a motor capable of generating around 300W. The rotor blade will be producing around 50W of power with 500-700 grams of blade force and the remaining 30W will be supplied

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