Here we go again!
Some people over this foruns said its impossible to get the step-charging effect without tube coatings... here is the proof,
Check my new scope shots:
1. Step-Charge over the cell
(http://xblade85.no.sapo.pt/HHO/step0001.jpg)]
2. Upside: Channel 1 - across the cell
Downside: Channel 2 - Pulse train applied to the transistor
(http://xblade85.no.sapo.pt/HHO/step0003.jpg)
Feel free tgo ask and comment.