Electrical igniter for gas engines A keystone to understanding by Magluvin

[Magluvin]

Copper Pipe

does it have to be hollow, as in pipe, or can it be solid or thick stranded wire?   Does the diameter matter and also wall thickness?     

Hmm,  I wonder how a conductors affect upon itself, changes as the wire, or tube, or solid, gets larger in dia.  Is there any plus to having a hollowed out conductor?


Mag

[delboy]

Copper Pipe

does it have to be hollow, as in pipe, or can it be solid or thick stranded wire?   Does the diameter matter and also wall thickness?     

Hmm,  I wonder how a conductors affect upon itself, changes as the wire, or tube, or solid, gets larger in dia.  Is there any plus to having a hollowed out conductor?
Mag

It doesn't have to be hollow, it can be solid or thick stranded wire as long as resistance is small as possible, that is the point. I just mentioned copper pipe, because someone will have them by hand, and someone will have thick copper cable etc. Tesla introduced cooling the primary to the point of liquid nitrogen, to have even less resistance = modern superconductor theory Why that? Because oscillations will last longer when you have less resistance!

[Magluvin]

Thanks Delboy

Do we want the primary and the sec to be tuned to the same freq?

Mags  =]

[Magluvin]

De Boy   =]

A pancake coil, should it be wound all the way to the center, no hole?  And, is the mag field concentrated at the perimeter when using it as a primary at the receiver?  As in, if you just have 2 cake coils face to face, it would not be the way to transfer from one to the other, and the best way is primary, or secondary at perimeter, correct?   
I see like a wave of field, flat on the surface of the cake, and concentrated at the perimeter, just going by teslas drawing in the magnifying transmitter pat , but never really had confirmation from anyone till you.  u da man.

Tinselkoala did a vid demonstrating 2 coils face to face to demonstrate a cake and a cake bifi to show the difference in energy transfer of the 2, from 1 to the other, kind of as if that was the way they are used. But I have an idea that it was not a correct way to determine things when concerning the cakes.     It was done in response to a request on the bifi difference. 

Thanks for all the help

Mags

[delboy]

De Boy   =]

A pancake coil, should it be wound all the way to the center, no hole?  And, is the mag field concentrated at the perimeter when using it as a primary at the receiver?  As in, if you just have 2 cake coils face to face, it would not be the way to transfer from one to the other, and the best way is primary, or secondary at perimeter, correct?

Mags

Yes, it should be wound all the way to center , no hole. Point is that primary is on perimeter, but only few turns. That few turns will see only few turns of secondary, it will be in high inductive connection! For example only 1 primary turn will affect on only 5 turns of secondary! The rest is simple inductivity, and you have open RLC circuit!  With that, you just created generator (5 turns of secondary) in series with inductivity (rest of turns, for example 45 of 50) and capacity (top-load). That is why Tesla called it magnifying! You just have to tune it precisely to resonance to get highest voltage as possible on top-load.
Tesla throwed sparks to see how high voltage is developed, not to impress someone, or to have fun with that, like most of you do! Tesla designed it with some purpose.