Fan to n-coils to fan

[petersone]

Hi Az
As you add mags. and coils you will get more juice,but also more Lenz effect,unless you know something I don't.
peter

[AquariuZ]

It is not as easy as I first thought...

[broli]

Aq, think about what I said. It does make sense  .

Motor => low resistance, high current, low rpm = high torque, low back EMF
Generator => high rpm, high resistance = high voltage, low current, low back torque

The motor is coupled to the generator through a high gear ratio.

The magic "juice" is the near perfect scaling of voltage and current.

Maybe I'll do some number crunching for a "practical" unit.

[SkyWatcher123]

Hi folks, first off aquariz and all their are no failures only experience and if there is such thing as failure then there can be no experience, a paradox hey. Hi Petersone, you say lentz becomes stronger but does it, only a voltage differential allows current to flow, I've built an air-core motor shown in my thread that i've noticed becomes more efficient when making the rotor larger in diameter allowing by geometry a shorter pulse-on time for a given rpm. and when we add more coils and magnets and make the rotor even larger it becomes even more efficient and performance is even greater. I understand the concern with counter emf negating a portion of the inputted voltage and lentz in a generator which is the same thing, however what i think some are overlooking is that by adding more coils, magnets and larger rotor and with a shorter input pulse greater and greater efficiency with equal or greater output can be obtained and may apply to generators as well. Let me try and make this more simple to visualize, If we have a 1 pound coil at 1 ohm and apply 12 volts to attract or repel a magnet at a certain ideal efficient rpm the counter emf or lentz will negate around 80% or 9.6v of our input voltage with typical motors and applies to generators as well. Ok now compare this to a 10 pound coil at 1 ohm and apply 12 volts to attract or repel the same magnet at the same ideal rpm and we still have 80% negated for typical motors or generators, however now this coil will have a much larger magnetic field while the generated lentz voltage is still the same 9.6 volts and our usable wattage is still the same 2.4 volts X (for example) 2.4 amps = 6 watts and yet will give our shaft much more rotational torque even though the standard conversion efficiency has not changed but the produced or production efficiency or what they call C.O.P. has changed and at some point will exceed COP>1.0. We can liken this to a 12v, 7A.H. charging a 6V, 7A.H., now a 12V, 100A.H. battery is not going to put any more charge into the 6V, 7A.H. battery or in the motor or generator case lentz does not increase the way some may think. I think ohms law may be the stumbling or mind block here. Does this make sense folks, let me hear your thoughts.

[SkyWatcher123]

Hi again, let me say after a little thought my thoughts may not apply to typical generators as much it would to magnet motors however its all related. One more thought, So we may agree that we only have in my motor example 2.4 volts left from the 12v input that is usable to convert into a current to create a magnetic field in our motor coil, so the point i am highlighting is this, then how can we have more rotational shaft power if the motor is still limited to what ohms law says it should be, the magnet passing the coil cant create more lentz current relative to the induced voltage no matter how much larger we make the coil. what i am saying is that even though some will say but now you have a greater magnetic field and greater lentz but we still have greater rotational shaft power at the same conversion eff. yet higher production eff. which i think is something that the formulas dont take into account.