Thanks for all the info Mike......I'll be winding my coil tomorrow and continue looking for some suitable caps........I hope I can find something.........Robb ----- Original Message ----- From: "M. G. Devour" <[email protected]> To: <[email protected]> Sent: Sunday, October 05, 2003 12:25 PM Subject: Re: CS> Magnetic pulser
> > Hey Mike.....since you have had a day or two to play with your Pulser, I > > was wondering how it was working for you?.......I have you tried it on > > anything?......success?.......Robb > > I haven't tried it on me yet! <sigh> Too busy tinkering with other > details of the alleged protocol I'm getting ready to do. > > However, I did re-engineer it slightly. I disassembled the coil and > pulled about 20 turns off of it. That actually killed the pulse- > strength a lot. The tube flash was noticably shorter however. > > I also shortened the wire from the unit to the coil by a couple of feet > at the same time. > > Next I took it apart and re-worked the capacitor mod. I had put in a > single 270 uF 450 volt capacitor. Seeing the suggestions from others > here to use upwards of 600 uF, I took it out and reworked things so I > could fit 2 of them in the available space, for a total of 540 uF. > > The small #8 flat washer now jumps a good foot and a half, and a 1/4" > flat washer jumps a few inches. The 1/8" fender washer hardly moves at > all, still. This *is* more powerful than I had originally, and I deem > it adequate to use for now. > > In answer to your other message on this thread, I'd suggest to you that > the 200 volt capacitor is beyond borderline and likely to fail -- > perhaps spectacularly! I don't know how much of a safety margin they > build in, but keep in mind that the circuit is a voltage doubler, and > charges the cap up to at least 240 volts or so. > > I bought mine from Digi-Key, www.digikey.com ... They were $5.40 apiece > and part # P11787-ND. You might revisit my part selection, because I > think you could fit a single 600 uF (or even higher) part in the same > space. (Hmmm... I should think about that.) > > Go to their main page and type electrolytic capacitor in their Parts > Search window. Click on the resulting link, and you'll be at a fancy > part selector form which you can use to browse their stock. > Unfortunately you can't input a *range* of voltage or capacitance, but > with enough tinkering you can find something suitable. > > Their P7420-ND, 680 uF, 400 V, 35mm dia x 50 long -- looks like a > possibility. I'm talking about laying it on its side. The 35 mm dia > fits somewhat closely between the top of the components and the roof of > the case, while the length fits between the control pot and the back > side of the reflector. > > This one might be ideal: # P11798-ND, 820 uF, 350 V, 35 mm dia x 45 mm. > Comfortable margin on voltage, an easier fit end-wise, high-ish temp > range. http://dkc3.digikey.com/PDF/T033/0705.pdf > > I'm not comfortable cutting it as close as a 250 V part. These are > better. > > I used 14 gauge solid wire to connect the caps snap-in terminals to the > board. > > They're a good company. I've bought from them several times in the > past. > > Good luck, Robb, and let me know how it goes. > > Mike D. > [Mike Devour, Citizen, Patriot, Libertarian] > [[email protected] ] > [Speaking only for myself... ] > > > -- > The silver-list is a moderated forum for discussion of colloidal silver. > > Instructions for unsubscribing may be found at: http://silverlist.org > > To post, address your message to: [email protected] > > Silver-list archive: http://escribe.com/health/thesilverlist/index.html > > List maintainer: Mike Devour <[email protected]> > >
