Jones Beene wrote:
You guys must be asleep at the wheel ;-)
Did no one even make an effort to view the "preview" teaser image which
DrS posted to Hartmann's site?
... or do you require spoon-feeding?
http://www.overunity.com/index.php?action=dlattach;topic=3457.0;attach=13950;image
Maybe someone should take a magic marker and a mirror, and write "the
loop has been closed"
OK, I guess I require spoon feeding. Are you saying that image is a
picture of the circuit operating closed-loop? That seems to be what
you're implying; if so, please spell it out.
It appears to be a static GIF image of the circuit lighting a group of LEDs.
If the picture shows it operating closed-loop, what's that honking big
red alligator clip attached to the front of the breadboard?
Why is the whole thing apparently attached to a piece of test equipment?
What's the funny plate over top the circuit, and why are there wires
attached to it, with one wire apparently running through it to down to
the breadboard?
I'm sorry, it just doesn't _look_ like an isolated circuit operating
closed-loop... as a "teaser" it doesn't work very well, at least for me.
and write the mirror image on the face of a sledge
hammer. Then the assorted experts here would have a memorable way to
wake up out of a skeptastrohe-stupor and smell the... err ZPE?
Jones
BTW thanks to a tip from Keith, I posted the joule-thief page to the
above site a week ago...
Horace Heffner wrote:
The ultimate source of power for Dr Stiffler's brilliant flash of
experimental genius is unknown and speculative.
There is still no measurement of power on which to base this
statement. It is already well known that LED light from a pulsed power
source can be efficient for visual purposes. See:
http://www.emanator.demon.co.uk/bigclive/joule.htm
The above circuit is incredibly efficient, working on nearly expired
batteries.
The one time measurement of a reduction in temperature was
interesting, but discounted by a subsequent measurement, and could
have been due to temperature variations and lag time of the insulated
thermistor.
Horace Heffner
http://www.mtaonline.net/~hheffner/
