Tesla Coil 336366 – Part 2

I forgot to add this vital understanding of volume and surface area regarding Tesla coils.

First you must realise that Tesla placed a high premium on getting the resonant factors correct. That any amount of electricity has a definite number (be coulombs or esu or ?) and must be included in the overall design structure. When the resonant action has been instigated there is a transference of magnetic to electrostatic potentials and visa versa, this must be balanced and carefully considered. The impedance matching is of vital importance to this action but a secondary balance is the volumes and areas of each set of coils.

The exact parameters can be calculated and you can see by Tesla’s work in Colorado Springs, he realised that a short cylindrical coil can be better utilised than a long coil and a flat spiral is much more compact than any cylinder can be. These studies had revealed to Tesla a beautiful geometric design that cannot be improved any further, a very compact and portable unit that awaits a audience that has chosen to ignore his proclamations. Below is the coil I am talking about.

I have drawn up such a coil system, approx 400mm x 400mm x 200mm unit (approx), it unfolds and plugs into a power source (Tesla AC) and hopefully communicates to a clone at a preset short distance with losses. Not only voice/data but Energy as well (100 watts or so). The frequency was always too high to be of use in power transfer as the losses increased with the frequency.

Below are listed only my estimates by reading much data and personal experience.

System…………………………………….Waste.to.radiation………Power.Delivery

Tesla system (no compromise).1 to 5…………………………..95 to 99

Radio system…………………………….99.9 to 100 0………………1 to 0.00001

High freq Tesla Flat……………………40……………………………….60

High freq Tesla Cyl……………………..60………………………………40

Low freq Tesla Flat…………………….15……………………………….85

Low freq Tesla Cyl……………………..30……………………………….70

So why did I design 336366 coil system using a traditional long cylinder? Simple, convenience and to prove to myself that the longitudinal velocity is the KEY to instant communication as Tesla suggested. Efficiency was not always the driving factor but the ease of material supply and a personal demand for longer wave lengths in a simple setup. The flat coil size became problematic in many ways, still I will go down that road again.

Coil…………………………………………………………..Volume and Area

Volume of Secondary………………………………0.0004 Cubic Mtrs

Surface Area of Secondary………………………0.796 Sqr Mtrs

MAX Volume of Primary…………………………..0.00068 Cubic Mtrs

MIN Volume of Primary……………………………0.000016 Cubic Mtrs

MAX Surface Area of Primary…………………..0.424 Sqr Mtrs

MIN Surface Area of Primary……………………0.01 Sqr Mtrs

Primary Volume at the design size…………..0.00045 Cubic Mtrs

Primary Surface Area at the design size…..0.285 Cubic Mtrs

What Turn…………………………………………………..14

What Area Secondary to Primary Equiv……..0.78 Sqr Mtrs

What Turn (beyond this design)…………………26

What Volume Secondary to Primary Equiv…0.0004 Cubic Mtrs

What Turn (very close )…………………………….13

I want to follow up with the real McCoy, in the not too distance future, regards Arto.

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