3v OU Flashlight

[lost_bro]

I can assure you that you are wrong. I now have stable 400-500V ~ under load (2 * 1W Cree) with no failed components @ 2.6V DC / 12 mA.
I am too busy studying the effect now but will post something later for everyone to have a look at.

~A

Sounds Excellent, can't wait to get the details on this!!!!!

take care, peace
lost_bro

[EMJunkie]

I can assure you that you are wrong. I now have stable 400-500V ~ under load (2 * 1W Cree) with no failed components @ 2.6V DC / 12 mA.
I am too busy studying the effect for the moment but will post something later for everyone to have a look at.

~A

@Avalon,

This sounds very promising!

If you wouldn't mind checking for possible Arch's across windings. The first thing that comes to mind is that there may be a possible Arch that may be causing what your seeing.

If there is no Arch's then check for a pot or resistor that may be bad.

Good work!

All the Best

  Chris

[avalon]

If you wouldn't mind checking for possible Arch's across windings. The first thing that comes to mind is that there may be a possible Arch that may be causing what your seeing.

I agree. The trouble is to how to actually prove (or disprove it). I cannot open the pot for the sweet resonance spot goes away. Apart from that, it is quite difficult to separate the halves of the pot once in the sweet spot. However, I am working on it and promise to post the results.

~A

[EMJunkie]

I agree. The trouble is to how to actually prove (or disprove it). I cannot open the pot for the sweet resonance spot goes away. Apart from that, it is quite difficult to separate the halves of the pot once in the sweet spot. However, I am working on it and promise to post the results.

~A

Hey Avalon,

If I may recommend a full documentation of where you are, from Turns to Pot Specs (Especially Permeability), Circuit frequency and duty.

Then maybe putting Circuit in a dark room and trying to see if the arch is visible. You should be able to see it on your scope, I don't recommend trying because it could damage your scope...

It may come down to a Coil Re-Wind to check for visible signs of arching?

All the Best

  Chris

[avalon]

Hey Avalon,

If I may recommend a full documentation of where you are, from Turns to Pot Specs (Especially Permeability), Circuit frequency and duty.

Then maybe putting Circuit in a dark room and trying to see if the arch is visible. You should be able to see it on your scope, I don't recommend trying because it could damage your scope...

It may come down to a Coil Re-Wind to check for visible signs of arching?

All the Best

  Chris

You already have it. I have posted earlier the datasheet for the pots I am using, as well as the inductance (37 mH and 57 mH). I used the calculation formula from the datasheet to determine the number of turns.

The rest is coming.

~A