On Thu, Apr 14, 2011 at 1:51 PM, RussellMc <apptechnz@gmail.com> wrote:

>  This works well, provided that your supply can tolerate the high
> current/no current approximation to a constant value resistor.
> I used this for an exercise cycle load with dissipation varying
> between 0 - 500 Watts depending on load and speed.
>
> If you add a series inductor and a catch diode this becomes a buck
> regulator based variable resistor.
> Sounds remarkably like my Peltier supply solution :-).
> Inductor must be suitably dimensioned to avoid saturation. Air core
> may be a good idea for  large currents.
> Low (and not so low) frequency radio transmitters can happen this way :-)=
..
>

I'd break that bicycle. I think I sustained a kilowatt of power output at
one point for a short time with my legs.
--=20
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