oneTesla Musical Tesla Coil
oneTesla Musical Tesla Coil
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In sixth grade, I received the oneTesla kit as a gift. I started working on it with my grandfather, a PhD. recipient in EE, as well as a retired electrical engineer I met through my elementary school. We had it up and running shortly. Over the years, I've added some upgrades of my own.
In sixth grade, I received the oneTesla kit as a gift. I started working on it with my grandfather, a PhD. recipient in EE, as well as a retired electrical engineer I met through my elementary school. We had it up and running shortly. Over the years, I've added some upgrades of my own.
The original secondary coil that came with the kit broke in storage, so I wound a new one on a piece of 2" PVC pipe. The one I made didn't match perfectly with the original coil from the kit, meaning the resonant frequency was off by enough to make noticeably smaller sparks. To fix this, I designed and 3D printed supports for a new conical primary, which is made of 1/4" OD flexible copper tubing. The bare copper allows for me to have one end permanently connected to the tank circuit and another easily adjustable tap point, allowing for precise changes to the inductance and therefore the resonant frequency.
The original secondary coil that came with the kit broke in storage, so I wound a new one on a piece of 2" PVC pipe. The one I made didn't match perfectly with the original coil from the kit, meaning the resonant frequency was off by enough to make noticeably smaller sparks. To fix this, I designed and 3D printed supports for a new conical primary, which is made of 1/4" OD flexible copper tubing. The bare copper allows for me to have one end permanently connected to the tank circuit and another easily adjustable tap point, allowing for precise changes to the inductance and therefore the resonant frequency.
This coil holds a special place in my heart. I first heard of the kit when I went to the lightning show at the Museum of Science in Boston. To think that I could do the same things they did amazed me. Not only did it keep me entertained (and still is entertaining me 6 years later), I learned valuable knowledge and hands on experience with electronics.
This coil holds a special place in my heart. I first heard of the kit when I went to the lightning show at the Museum of Science in Boston. To think that I could do the same things they did amazed me. Not only did it keep me entertained (and still is entertaining me 6 years later), I learned valuable knowledge and hands on experience with electronics.
To make the new spiral primary coil, I first needed supports to hold it in place. I designed and 3D printed this model, which has semi cylinder slots shifted gradually so the copper tubing could fit in properly. There are tiny holes behind each slot for zip ties to tie down the tube.
To make the new spiral primary coil, I first needed supports to hold it in place. I designed and 3D printed this model, which has semi cylinder slots shifted gradually so the copper tubing could fit in properly. There are tiny holes behind each slot for zip ties to tie down the tube.
I used the 3D printer kit I built freshman year to do the job.
I used the 3D printer kit I built freshman year to do the job.
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