The flywheel power system is based upon a magnetic drive, in that current from a rotating magnet, moving through a central shaft, results in rotational velocity of the rotor. A flywheel provides the required torque and requires very little power. This technology has been used in both the aircraft and electric vehicles of today, with little change compared to the mechanical system of 20 centuries ago.
The flywheel power is produced in series with a shaft or belt, and is distributed in a parallel way to the rotor, producing power by the force of rotation of the rotor upon the flywheel. A flywheel’s power source is either a DC motor (DC is a very cheap form of generator and is used on all type of aircraft, DC motors with DC brushes are still made but are usually not used in motor-only applications) or an electric motor. The system has some major advantages over the mechanical flywheel system (no moving gears, no moving parts, and no moving air/gas/water. The most obvious advantages are that the system does not require the use of electricity, and does not require the use of a central shaft. Furthermore, a DC motor will make a rotary engine very quiet and compact to build, while an electric motor will not be as efficient (unless it has an internal gear for its operation). The more power used in the flywheel system, the more air is used in the combustion process, leading to an equal amount of air being used in the turbine (which in turn requires a larger diameter air/gas/water system). An electric motor can operate without requiring the use of an internal gear and therefore will take advantage of the vacuum created by the small diameter air/gas/water system, resulting in an even more compact system.
There are a number of differences between power systems, and many are due to differences in mechanical power supplies (as opposed to generators). A DC motor with DC brushes has a power density of 1.4 amps per inch of stroke, so an average electric motor with DC brushes requires a very high current to operate. This means that the DC power supply is very slow in relation to the length of the current being used, as is the motor, for as far as the motor’s working length is concerned. The motor used to power an average electric motor has a typical working speed of 7.2 amps, for 3 hours. To obtain the same motor speed using the DC motor, the current must be increased by more than 100A (3.1KV) (which
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