Cheap negative ion generators are easily dismantled to extract the high
voltage unit. The high voltage output is what is attached to the needles
that emit the ions. The ones made for automobiles conveniently operate
from 12 volts, and can run from a nine-volt battery (or two in series).
If you need more current (unlikely) you can buy a laser power supply on eBay.
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Get a free science project every week! "http://scitoys.com/newsletter.html"On Mon, Mar 12, 2012 at 5:48 AM, Cory Geesaman <cory@geesaman.com> wrote:
I'm playing around with a fluid-based Van De Graaff generator and needed a KV level HV source - since the subject has come up on here a bit in the past I thought I would post this link, as it seems pretty good ($40 with shipping to avoid the hassle of making your own drive circuit for a flyback transformer scavenged from a CRT or similar): --
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