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Topics - MrScrOggs
Pages: [1]
1
« on: October 12, 2023, 12:52:14 PM »
Is there something im missing here, bcuz I think this would work great. Each variac only sees 120v but if i share the neutral i can use each variac to control each hot 0-140 from neutral ground. The variac in question is a 2x50 amp 120v one, designed to be used in parallel configuration for 100 amps, so the same handle can be used for both legs if i where to theoretically split phase center tap these?
2
« on: August 01, 2021, 09:16:20 PM »
Hello everyone, I finished my dual 811a vttc and it works pretty well from what I can tell. I have an issue though. The streamers sometimes come from the the tap on the feedback coil. How to I stop this?
3
« on: July 27, 2021, 05:14:34 PM »
Hello all, I just finished building my first VTTC this morning and I made a ground rod to ground everything. I was going shove the rod into my backyard's grass but before I did, I was wondering if the high voltage going into the ground could travel through the moist soil and go into the mains (I have wires buried underground in my backyard). I was researching the breakdown voltage of moist soil per meter but I couldn't find much on the subject. Sorry if this is a stupid question but I don't want to send high voltage RF into mains lol.
4
« on: July 12, 2021, 11:38:46 PM »
Hey everyone, I was cleaning my workplace and i noticed that one of my MOCs was leaking some sort of oil. I couldn't tell what kind it was, and it had a strong smell, but I figured somebody on here would know what type of liquid it is.
5
« on: June 07, 2021, 03:51:11 PM »
Don't know if this is the right place but Photonicinduction has made a return to youtube after 4 years, check his channel!
6
« on: May 25, 2021, 10:29:28 PM »
Before you read: I have a severe case of OCD, which is why I obsess over certain things. Hello everyone, I am super embarrassed to have to post this, but the past few months have been filled with anxiety and I thought this could help.
Around 2 months ago, I removed the shunts from a MOT, and plugged it into mains. The primary side read 40 amps max, and apon seeing this i didn't keep it on for more than a few seconds, because this was on a 20 amp breaker (USA, so 120v as well.)
Ever since I have been OBSESSING about those 40 amps. My breaker didn't trip either, which is because of the trip curve I believe. I am worried about the wiring in my walls, and if pulling those 40 amps for a short period of time could have done permanent damage to the wiring (or anything else!). I am terrified at the thought of my house burning down, and this often keeps me up at night.
Sorry for being such a weirdo, but I love what you guys are doing on here and I just want some closure on this. Thanks.
Edit: I did this several different times, none of which were more than a few seconds in duration.
7
« on: May 16, 2021, 03:02:40 PM »
Hello everyone, I was looking on ebay and Amazon for high voltage wire but I don't know if I want to trust either of them when my life depends on it. I was wondering if you guys have any trustworthy and safe sources for high voltage wire, or if I should really be trusting shady amazon and ebay listings...
8
« on: April 21, 2021, 04:29:42 PM »
Hello everyone, I am building a capacitor bank and I am a bit confused about some concepts. I know that this could kill me instantly, and understand the safety risks. Each cap is 200v 2000uF (incase image is missing) How many joules would this give me? I understand series and I understand parallel but I can't grasp series-parallel YET.
9
« on: April 12, 2021, 02:24:09 PM »
I bought an old variac to use for a VTTC and when I plug the variac into the outlet in my garage the GFCI trips every time without fail. Is the variac broken, or am I just doing something wrong?
not sure why picture is upside down
10
« on: April 09, 2021, 01:48:55 PM »
I am almost done building my VTTC that follows Steve Wards VTTC5 design with one 833A triode, and before plugging it in I want to know what the current draw will be, or how to calculate it. Does anyone know how to do this or what formula to follow?. I Copied his build verbadim.
11
« on: March 08, 2021, 10:51:51 PM »
Hello everyone, I finally got to use my giant flyback transformer today and I was getting some awesome results, and yes I was taking the proper safety procedures. I used a fluorescent light ballast to drive the circuit, which resulted in ~50kV on the output, it was awesome. When I had had my fun, I unplugged the light ballast from the wall socket and then started the wires from the primary and secondary at the bottom of the transformer. No problem. When I picked up the ballast to bring it inside it gave me a bad enough shock that I threw it a couple feet away from me due to my natural response after getting a shock. The fluorescent light ballast shocked the shit out of me, and I don't know how, is there a capacitor inside of it holding charge? If so, how do I discharge it? I feel like an idiot but I didn't think they would have any capacitance.
12
« on: January 19, 2021, 03:07:11 AM »
Hello everyone, I am sort of new to high voltage electronics, and I have a lot to learn still. The only thing is that I have a severe case of OCD, which is which is where I worry excessively about things even if they aren't reasonable concerns. Anyway, I was using HV electronics to distract me from my obsessions, when suddenly the OCD started to creep into my new hobby. My (irrational and may not make sense) worries include: -Could experimenting with high voltage melt the wires in the walls, or start a wire in the walls? -Could it fry my circuit breaker and start a fire? -Would a MOT Metal Melter start a fire if the output is 1000 Amps but my circuit breaker is only 500 Amps (I know this doesn't make any sense by my OCD distorts my thinking) Sorry for bringing mental illness into this forum, but its not like I could ask anyone who would know better than people like you guys. P.S. I have the knowledge to safely handle HV, and have done so in the past, but my OCD dwells on what I can't see (ei. in the walls)
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