Stubblefield coils (bifilar) and speculations

[resonanceman]

here is the calculator page. see you in a week. the whole site is fun,

but please first, tell me again , what do you think?

there is a continuing frequency with 1.7R but to move to 17.7R there is only one peak? Please explain this ring down again.

Is that the thing / combo that we are looking for?  I figured not.

Ringing is what I think we are looking for, isn't it?


please explain this , or give it a go anyway?

thanks

jeanna

http://www.coilgun.info/mark2/rlcsim.htm

Jeanna

I think it is a pretty  good example of  ring down and how   resistance affects  resonant ciruuits .

think  of the top   chart as   ringing a  large bell

Now ............think of the   second  chart as  ringing  the same bell while holding   your hand  on the bell



thanks for the URL   I  will look at it later .


I ended up working on my  new coil  rather than going  out earlier today

The   readings are  not  very  good  .

I  can't  remember  the dry  readings .......I took some but didn't write them down .....   I wasn't  very impressed .

Wet it is  at   .369   V    DC 
The  first   current  reading  was  .194 mA    I will  wait a few minutes and see what it  goes down to .


gary

[resonanceman]

I love transistors. I think the earth is going to see a lot of charge in the coming years. Sunspots etc. They could blast a transistor, esp one in the open air so, I want to avoid them only for that reason.

jeanna

I am trying to  avoid  transisters too .   


gary

[resonanceman]

The  first   current  reading  was  .194 mA    I will  wait a few minutes and see what it  goes down to .


gary

Isn't the current  supposed to drop  after  the  first  surge ?     

my  pancake is  at   .274  mA  after  about  20 min  ......   it  has been wet  over an hour


gary 

[jeanna]

I think it is a pretty  good example of  ring down and how   resistance affects  resonant ciruuits
think  of the top   chart as   ringing a  large bell

Now ............think of the   second  chart as  ringing  the same bell while holding   your hand  on the bell

So, does this mean that the magic of the ringing is to find the combo of all the parts that allows a coil to resonate?

At all?

It isn't that there are regular resonances and then there are those that ring?

learned another new thing today.

please confirm for me if this is right. thanks.

jeanna

[resonanceman]

So, does this mean that the magic of the ringing is to find the combo of all the parts that allows a coil to resonate?

At all?

It isn't that there are regular resonances and then there are those that ring?

learned another new thing today.

please confirm for me if this is right. thanks.

jeanna

Jeanna

There are different kinds of resonance ...........but  resonance is resonance ........it is all about ringing

Another  way I have  heard  resonance described  ........it is like  electrons " sloshing " back and forth  between  the cap and the coil  .      anything that can affect  the sloshing  will  effect the  resonance, but in general   resistance is   usually a big factor 


HHHhhhhmmmm  I have been watching the current on my pancake   for a little over an hour ..........it is  .714 mA now .
and still going  up 

gary