Pen holder w/fractals

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Mojave Green

Member
Joined
Sep 25, 2024
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24
Location
Ridgecrest, Ca
My friend from work who ordered the purple princess pens for his M in L wanted a pen holder for her desk. So I turned this once up. It's made from mesquite with 10g and 14g burn lines. Then I hit it with 8,000 volts for the lichtenberg fractals. I love the smell of burning fractals.
PB180006.JPG
 
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The fractals are a nice touch. I've never attempted them though - the older I get the more scary high voltage gets for me. - Dave
I took about a year researching building my setup. best thing I did was set it up as a single hand hold and a deadman's foot switch. That and running lower amps than the usual microwave transformer rigs you see on youtube.
 
I took about a year researching building my setup. best thing I did was set it up as a single hand hold and a deadman's foot switch. That and running lower amps than the usual microwave transformer rigs you see on youtube.
We had a 300VDC supply built into the lab benches at the college when I was attending and teaching and would get zapped occasionally. To date myself, the supplies were primarily used to operate vacuum tube amplifiers that were designed by students as part of their coursework. That and I got one hand stuck on a 400V convergence board on a TV set that I was adjusting by leaning around the front to see the CRT - duh - I guess I was just too lazy to set up a mirror. Of course there was always the inevitable run-in with an occasional hot chassis too.

Ahhh, those were the days. - Dave
 
We had a 300VDC supply built into the lab benches at the college when I was attending and teaching and would get zapped occasionally. To date myself, the supplies were primarily used to operate vacuum tube amplifiers that were designed by students as part of their coursework. That and I got one hand stuck on a 400V convergence board on a TV set that I was adjusting by leaning around the front to see the CRT - duh - I guess I was just too lazy to set up a mirror. Of course there was always the inevitable run-in with an occasional hot chassis too.

Ahhh, those were the days. - Dave
Yeah that'll wake you up. I get zapped all the time at home switching out sockets and switches. My house was built in 77 so they daisy chained a lot of the wiring. So I do hot swaps when trying to guess the wiring rather than run back and forth to the box. I was putting a dimmer in my daughters room and the first wiring attempt controlled the dining room lol. The worst zap I got was in Guam though. I was troubleshooting an EW system and control wouldnt bring my bird into the hangar, so I was reading for voltage during a typhoon. I was tired and accidently made contact with the airframe and sent the juice up the right hand and out the left shoulder. I wasnt happy. I went in and cussed out the controllers and refused to continue until my bird was brought inside.
 
Yeah that'll wake you up. I get zapped all the time at home switching out sockets and switches. My house was built in 77 so they daisy chained a lot of the wiring. So I do hot swaps when trying to guess the wiring rather than run back and forth to the box. I was putting a dimmer in my daughters room and the first wiring attempt controlled the dining room lol. The worst zap I got was in Guam though. I was troubleshooting an EW system and control wouldnt bring my bird into the hangar, so I was reading for voltage during a typhoon. I was tired and accidently made contact with the airframe and sent the juice up the right hand and out the left shoulder. I wasnt happy. I went in and cussed out the controllers and refused to continue until my bird was brought inside.
Ouch! If I remember right aircraft has (or at least used to have) 220/400 Volt AC systems at 400 Hz. For a short while I worked with navy servos that ran on similar systems at 440 Volts and 400 Hz. Your not kidding about that being a wake-up jolt!

Dave

PS I remember some of my students at Ellsworth AFB talking about working on the EW systems on B-52's while the systems were hot out on the flight line. I'm glad I got to see some of them. They were replaced with B-1B's in 1986.
 
Ouch! If I remember right aircraft has (or at least used to have) 220/400 Volt AC systems at 400 Hz. For a short while I worked with navy servos that ran on similar systems at 440 Volts and 400 Hz. Your not kidding about that being a wake-up jolt!

Dave

PS I remember some of my students at Ellsworth AFB talking about working on the EW systems on B-52's while the systems were hot out on the flight line. I'm glad I got to see some of them. They were replaced with B-1B's in 1986.
28VDC/115VAC 3phase 400 Hz. Depending on the system you can have caps or some type of boosting. We used to charge caps with the meger and toss them to people. Fun times lol.
 
The fractals are a nice touch. I've never attempted them though - the older I get the more scary high voltage gets for me. - Dave
Egnald, I'm with you on this. I love the effect but from what I've read about it, it's extremely dangerous even for someone with much experience doing it. I don't think possible electrocution is worth it. And age makes no difference. A young person can fry as well as an older person.
 
Egnald, I'm with you on this. I love the effect but from what I've read about it, it's extremely dangerous even for someone with much experience doing it. I don't think possible electrocution is worth it. And age makes no difference. A young person can fry as well as an older person.
Definitely true. People try stuff they see on youtube without doing research and end up expired. Even with my background, I did a lot of research to build the safest rig I could. So if anyone out there has questions fire them my way. I'll help as much as I can.
 
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