HOG01 Hartmann Orthogonal Generator

[fleebell]

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Lee, there are a lot better units than the BASIC Stamp, let me know before you go buy one (and cheaper ones too) and I will get you a list of the latest good ones.  Of tell when what you need and I might have time to make one for you (if you have the specs you need).  Doing two no for others.

I built myself three small boards I use to zap out fast prototypes.  An 8pin chip, 18 pin chip and one with both.  And all of the chips have the same pinout, just different features (ADC, comparators, etc).

Or blueroomelectronics.com a new startup has some nice boards (firefly and a couple others but you need an ISP or ICD2 to program them).  I have one board I made to teach my 14 year old that is a good starter board I can send you (PCB layout).
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Thanks for the offer but I already have 3 basic stamps that I have been using for 3-4 years now in various robot projects. They are a bit slow true but one should still probably work ok for this. I'm not in any realy hurry anyway as I have a few projects in line ahead of that one.   Standard old story, too many ideas and not enough time or money to complete them all.  I'm currently working on a rankine heat engine system I'm trying to design... It requires a bit more math than I'm used to working with and I'm trying to learn and understand that stuff first before I start another project.

Lee

[MeggerMan]

Hi Stefan,
I hate to rain on your parade, but at some point you mentioned that there appears to be no drag on the magnet when it passes the coil.
I have tested this theory with a spool of 0.5Kg x 0.4mm enamelled copper wire and 8 ceramic magnet and there IS drag on the magnet when you short out the coil or apply a load to it.  It has an air core but this will be even more significant with an iron core.
See post ...
http://www.overunity.com/index.php/topic,919.msg19154.html#msg19154

Regards

Rob

[hartiberlin]

Hi Rob,
surely there is drag in the output coil.
But it can be reduced by using the Newman pronciple,
by shortening out the output coil and open the output coil circuit
very fast , so you have lots of RF bursts on a mechanical switch.
If you put then a incand. bulb in series the RF bursts
will light up the bulb and the toggling magnet inside the output coil
is not dragged too much.

Also the is no direct feedback of the output coil to the input coil,
as they are 90 degrees rotated to each other,
so drawing current from theoutput coil will only
reduce the motion of the output coil magnet , but not directly
required more input current from the input coil.

Regards, Stefan.
Will now post a graphic file of it.

[hartiberlin]

Here is the picture about it
attached to this message.

Just a basic schematic.
You need to pulse the blue primary coil
with about 7.8 Hz square wave.
The green ouput coil is then shorted out via
a sparkgap from 2 dissimular metals, like
graphite-copper or copper-chrom
and in series with the output coil is an incandescent
bulb, which will light up due to the RF bursts on the coil
output wire.
Both coils are orthogonal (90 degrees rotated) to each other,
so they can not influence each other directly...

The bigger and stronger the magnets and the
bigger and bigger  wire size the coils have, the better.
Here the used mass of the copper and the magnets counts in !

Regards, Stefan.

[MeggerMan]

This is not too unlike the MEG idea.
Altering a field provided by a permanent magnet.
Quite clever if you can not directly influence the output coil with the input coil.
Have you had any success with this yet?

Regards

Rob