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Originally posted by Rev_Godslapper
Good post. I hope this is true. It's about time for one of these things to hit the market.
Also, here is a source that is in English for those who don't speak German.
the motor does not require external power to start up
Originally posted by thematrix
I actualy made something like it for a science project in school, but it didn't run that good since I lacked resources and materials to make shielding like they did to aim the magnetic field.
What I wonder though is how long the actual lifetime on the magnets will be.
They say they ran it for 2 months straight and didn't measure any drop in magnetic field on the magnets, so would it safe to say that the magnets should be able to have a production capable lifespan of at least 10 years?
Who here knows alot about Magnet lifespan?
Originally posted by Romeo
well here's ONE unhappy customer! Ouch.
Originally posted by d1k
Sounds like one guy got impatient, and started freaking out calling him a hoax. Hardly any facts are given. These complaints could be hoaxs as well. Hopefully we'll see soon whats really up with this thing. I hope it's real.
The output wave form is far from sinusoidal, and induction effects may modify the input wave form as well. These wave forms contain abrupt discontinuities and even sharp pulses and spikes, which simple electrical meters can't respond to properly. The radiated fields may affect the meter's circuitry directly. The output likely has a considerable phase angle between current and voltage. For these reasons, electrical meters can give false readings.
The output of such a device very likely has a phase shift between current and voltage. The output power is IVcos(t) where t is the phase angle. If you simply calculate power as the product of current and voltage (separately measured with two meters) you'll get a value larger than the actual power, because of neglect of the phase factor. In the calculation of power, this is called the "power factor".
Typical experimenter's magnet motors generally have spikes and pulses in the output, but not so often in the input.
Spikes and pulses usually make voltmeter, ammeter and wattmeter readings give misleadingly high values.
For these reasons, calculations of input/output efficiency made from separate meter readings of current and voltage can be much higher than the actual efficiency.
Originally posted by Taeas
Hmmm, seems that magnetic sheilds do exist That helps, but I would still be cautious.
Originally posted by Jade Falcon
People, there is no such thing as free magnetic motors.
Heres a simple physics lesson:
The direction of any magnetic induction effect is such as to oppose the cause of the effect - Lenz's Law
The "cause" may be changing flux through a stationary circuit due to a varying magnetic field, changing flux due to motion of the conductors that make up the circuit, or any combinaiton. If the flux in a stationary circuit changes, the induced current sets up a magnetic field of its own. Within the area bounded by the circuit, this field is OPPOSITE to the original field if the original field is increasing, but is in the same direction as the original field if the latter is decreasing. That is, the induced current OPPOSES the CHANGE IN FLUX through the ciruit.
Thus, the motion of the conductor, which caused the induced current, is opposed. Lenz's law is also directly relate to energy conservation. If the induced current were in the direction opposite to that given by Lenz's law, the magnetic force on the rod would accelerate it to ever-increasing speed with no external energy source, even though the electric energy is being dissipated in the circuit. This would be a clear violation of energy conservation and doesn't happen in nature.