The  current started out  at 3.55 mA

after running at least an  hour  it  has dropped to just over 3. mA

QuoteBoth the   cap and coil  have to be physicaly  large enough to  handle  the  current.

lets  say  you want to  handle  3 amps ....... the  size of  the cap and coil that  will handle  3 amps is going to be pretty big .
Each time  you  raise  the frequency   you drop  the physical size requirements  .
Raising the voltage  will help with the size problem too

OK Gary I guess you haven't built one yet. (OOPS you just did. Bravo!)

Most of us are reading micro amps and nobody gets more than .7 vdc on the
dc part of this item.

I appreciate your comments, though and will tuck them away for when too much amperage might be a problem.  


@Bill,

I have been using a supercap too (just to collect the charge so I can measure it accurately.), but I think the other regular kind are better, or will soon be better for an oscillating effect  because we need it to pick up and dump the charge quickly.

Ususlly this is done with a resistor to sort of guide the charge. In the case of the numbers I was looking at today, I think I will try to skip it and hope that works.

You do have one don't you? That monitor probably has some. I just got a nice capacitor from a small thrift store radio. (cheap thrills.   )

jeanna

Another  idea I was testing  was  Aethers  core idea

I chose to use  painted  iron  wires for the core  instead  of a solid  iron core.

The idea is to reduce   the losses from eddy currents .

This is a picture of the core .

The length  is 4 3/4   the  diameter turned out to be 7/8  in ............  same  size  as a quarter.

I didn't  count the  wires .  ....

I  would   have used a smaller  core ............but  didn't think I could  get the  wire to bend  that much.

Quote from: jeanna on March 31, 2008, 01:23:23 AM

QuoteBoth the   cap and coil  have to be physicaly  large enough to  handle  the  current.

lets  say  you want to  handle  3 amps ....... the  size of  the cap and coil that  will handle  3 amps is going to be pretty big .
Each time  you  raise  the frequency   you drop  the physical size requirements  .
Raising the voltage  will help with the size problem too

OK Gary I guess you haven't built one yet. (OOPS you just did. Bravo!)

Most of us are reading micro amps and nobody gets more than .7 vdc on the
dc part of this item.

I appreciate your comments, though and will tuck them away for when too much amperage might be a problem. 

Jeana

the 3 amps  was just  I number I picked ........ I know  it is not possable at this time .
Personally  the only reason  I can see  to  design   it to run at   60 HZ  would be if you  had enough  power to run something  you would normaly plug in .

60 Hz for  "battery " power levels  doesn't make  much sense to me.


gary

All  the insilation in my  battery is  fiberglass  drywall joint tape

when expermenting  with winding the  copper I noticed that the  sticky stuff tends to smear .. so I would it  sticky side out.

It still stays  put  pretty well .......and is relativly  durable.

I  tried to   progress  1/4 in  per  turn when winding .  giving me 4 or 5 layers