First Tesla Magnifier Page

Completed Magnifier Coil

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Introduction

After seeing the successful and impressive operation of Ed Wingate's and Richard Hull's magnifier systems, I decided to design and

build my own.  This page documents the design, build, and test of my first magnifier design.    

Primary Coil

Conductor Size:  0.50" O.D. copper tubing

Conductor-to-Conductor Spacing:  0.28 inches (average)

Primary Coil Diameter:  23.5" I.D.

Winding Length:  6"

Primary Turns:  7 Turns

Primary Capacitor

(2) 0.033uF, 20kV MMCs used in series for a combined capacitance of 0.0185uF, 40kV in an equi-drive type

configuration.

Secondary Coil

Coilform:   Type I PVC, 16 inch O.D.

Wire:   14 AWG THHN, solid wire

Winding Length:  24"

Secondary Turns:  216 Turns

Plot of Secondary Impedance using Impedance Analyzer (Fres = 606kHz)

Secondary Corona Ring

The top of the Magnifier secondary coil is shielded using a 2" x 20" toroid.

Tertiary (Resonator) Coil

Coilform:   PVC, 4.5 inch O.D.

Wire:   22 AWG, Magnet Wire

Winding Length:  16.7"

Secondary Turns:  607 Turns

Calculated Inductance:  9.96mH

Calculated Self-Capacitance:  7.67pF

Resonant Frequency with 32.9pF topload:  250.4kHz

Tertiary Coil (Resonator) Top Load

The top of the tertiary (resonator) coil will be a 7" x 30" toroid.

The calculated capacitance of this toroid is approximately 32.9pF.

Primary Tank Circuit Measurements

To properly design the tertiary resonator coil, I wanted to first verify the range of tuning my primary coil would

support using a primary capacitance value of 0.018uF.  Using an HP 200 audio oscillator and oscilloscope I

took measurements of the primary circuit resonant frequency for each tap point on my primary coil.

More to come soon . . .

Logo, photos and original text are Copyright © 2003  by Eastern Voltage Research Corp.

All Rights Reserved. © 2003  Christopher Hill  Web Master.

Last modified  August 16, 2005 08:05:19 PM