Body
DougThat is a good idea.Zilano mentions using components that do just that, which I have purchased quite cheaply.Varistors? I am not sure of the name, but they are able to do just what you describe.The Don Smith circuits often use high voltages that are otherwise difficult to use. I have taken strings of high voltage diodes and placed them inside stout walled plexiglas tubing where you can then treat them as a unit, like ten 1,000 volt diodes soldered in series.Using clear tubing, you csn monitor flash over, should it happen.My Model T Ford coils can easily deliver a very hot 10,000 volt spark that will readily ignite a sheet of printer paper placed in a spark gap.The strings of diodes seem to do a good job for low voltages like the "T" coils. Just for interest sake, Model T coils run off 6 volts DC. Look them up and remember what they look like, because they have wooden boxes, and brass spark buzzers on top. These things end up on the dusty back shelves of antique stores as Steam Punk art decorations thst are not exactly fast moving merchandise, thst you may be able to pick up cheap.Antique "pickers" clean out old barns and haul the loot into town.Every barn shed had a bunch of these Model T coils sitting on a dusty shelf among the cob webs.Using the 10,000 volts, from a "T" coil, or 5,000,000 volts coming from my Tesla coil, is always a challenge, to rectify it.I have not tamed my Tesla coil yet as it is very recently that I live in a place without neighbours.Firing it up in the backyard in Toronto, destroyed porch lights, security cameras, cell phones, of course all LED lighting, and could get your neighbours out with pitch forks and torches as a mob, digging you out of your workshop like a scene from Frankenstein.I did use it to shoot lighning bolts for an insurance company commercial, in a 10,000 square foot film studio, for a film crew that flew over from England. For that shoot, I built a grounded Faraday cage for my toy, and the film crew, keeping everything safe, grounded to the sprinkler system. Their footage came out fabulous. They loved it.I also put storm clouds in the sky for them. They loved those too.It was great performing for such a bunch of enthusiasts for old school tricks.Cheers Warren
Sent from Yahoo Mail on Android
On Fri, 24 Aug 2018 at 11:15 PM, [email protected] [EVGRAY]<[email protected]> wrote:
Hi Mick
Use the sparkgap distance to rectify as there will be a shorter distance where spark can jump.bcka and forth easily in AC but slowly increase gap distance to where there is just enough energy to jump the gap but not enough to jump backwards now you have DC out of sparkgap. I
Kone
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