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Experiments for scalar wave transmission
0.1 Introduction
The wireless transfer of energy as scalar wave radiation goes back on Nikola Tesla. From him
originated the patent No. 649.621 on 15.5.1900: Apparatus for transmission of Electrical
Energy. Unfortunately his equipment was extremely large and expensive, so that no copies had
been provided and the ingenious technology could extract itself from the field of vision and the
consciousness of the public. Many sceptics however are to be convinced only, if they have
their own copy, at which they personally can make measurements and experiments. A new
technology will only become public and can assert itself if it is carried beyond the scientific
facilities and education centres into the public.
The lost believed technology is taken up again with the kit. By using a modern waveform
generator in place of a spark gap generator, with an operating voltage of few volts in stead of
600 kilovolts a miniaturization of the device succeeded, at which all characteristics indicated by
Tesla and still some more can be introduced and examined experimentally. Today, nearly 100
years later a scalar wave transmission device fits into a suitcase and is purchasable for
everyone.
All assembly groups and component parts necessary for the experiments are included in
delivery, as well as the aluminium suitcase, which is used as shielding cage. Thus a high
degree of reproducibility is guaranteed. The demo kit is particularly suitable for non-
technicians to open them the possibility of a successful execution of the experiment. For
technicians and hobbyists a more extensive experimentation kit is offered. It is particularly
important for comparison purposes that everyone does work with the same generator, because
the empiric reports will be published in an anthology, which should encourage other
experimentators to reproduce some of them.
0.2 Included in delivery: Demo-kit
1
waveform generator (preset)
2
Tesla-pancake coils
2 spherical electrodes with connecting lead and plastic columns
1 connecting cable with pin plugs on both sides
1
wall power supply (18V, 500mA) with connector plug
2
shorting plugs
1 documentation
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0.3 Description of the pancake coils
The pancake coil which is spiral from the inside outward wound according to Tesla, is part of
an air cored transformer. The couple coil consists of five turns and is on the lower surface of
the plate. It can be modified, if necessary, whereby a abbreviation to 4 turns is possible, which
can lead to a stronger accentuation of the scalar wave components (fig. 1).
The two ends of the coil are connected with the sockets "Generator". On the transmitter side
the signal is injected, while on the receiver side an unloaded no-load operation measurement
can be made if no jumper is set.
Within the jumper field three different load conditions are selectable.
1.
"LED" the two light emitting diodes are fed, which are antiparallelly switched, so that one
shows the positive half wave and the other the negative half wave of the supply voltage.
2.
"HF" the couple coil is loaded with a 100 ohm resistance. At the sockets "HF Messung" the
potential gradient over the resistance can be looked at with an oscillograph.
3.
"DC" the high frequency signal first becomes rectified in a bridge rectifier and abraded in
two condensers (100 nF and 4.7 uF). The load resistance is here 100 ohms. The voltage signal
exhibits no more ripple, therefore it is possible in this jumper position to measure conventional
with a usual DC voltage circuit analyzer (in position DC). On the topside of the plate is the
spiral wound pancake coil. The inner pin is connected with the spherical electrode, and the
outside end ("grounding") serves as potential equalization between transmitter and receiver. It
forms a common reference potential, which is usually called ground.
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Scalar wave transmission with two identical pancake coils:
Circuit analyzer connection: Transmitter voltage and'or Receiver er voltage
Fig. 2: Connection diagram of the pancake coils - air cored transformers
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0.4 Description of the waveform generator
The circuit board of the demo-kit is only partly equipped and the waveform generator preset.
As wave form the sine function is given. In the demo-kit amplitude and frequency are
adjustable within a range, which is applicable for the enclosed coils. Faulty operations are
thereby nearly impossible. In the centre of the plate a red light emitting diode is placed, which
shines, if voltage is impressed on the plate and the generator is working.
Fig.3: the aluminium suitcase with content
(in the suitcase: demo kit, beside the suitcase: add. material for the experimentation kit)
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0.5 Included in delivery: experimentation kit (Fig.3)
Additional to the demo kit:
1 frequency counter
(1 waveform generator unlike to the demo kit freely adjustable)
(2 Tesla-pancake coils like in the demo kit)
2 Tesla-pancake coils with double wire-length
2 Tesla-pancake coils with half wire-length
(2 spherical electrodes with connecting lead and plastic columns)
4 connecting cables with pin plugs on both sides (instead of 1 cable)
(1 wall power supply (18V, 500mA) with connector plug)
1 Battery adapter
5 shorting plugs (instead of 2)
(1 documentation)
1 collecting file with empiric reports
0.6 Description of the waveform generator (experimentation kit version)
The full-equipped waveform generator is adjustable in a large range (0,2 to 14 MHz). On the
control board 7 buttons lie side by side. These are from left to the right:
1.
Switch: form 1 (above: Rectangle/Triangle - down: Sine); Normal attitude: Sine
2.
Potentiometer: pulse-width is only in position Rect./Triangle active (forml above, f2 down)
3.
Potentiometer: Amplitude (normally fully untwisted = right stop)
4.
Switch: form 2 (above: Triangle; down: Rectangle); during sine attitude inactively
5.
Switch: Frequency range (above: high range HI; down: low range LO); normal attitude: HI
6.
Potentiometer: Frequency roughly adjustable
7.
Potentiometer: Frequency finely adjustable (normally in central position)
The frequency range is preselected with a switch (HI / LO), and with two potentiometers
"rough" and "fine" steplessly adjusted. Thereto the "fine" potentiometer is appropriately
brought in central position, while with the "rough" potentiometer the correct point is searched
and with the "fine" potentiometer readjusted. Also on the plate mounted is a high frequency
power driver.
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