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Re: [TCML] Show and tell first SGTC



Adam, Not too surprising that you saw little improvement. The extra voltage isn't as helpful as more current would be. Try getting a match to any of the transformers you have and run them in parallel. You need to phase the outputs, plenty of info about that out there. Then of course you will need to change your tank cap value.

Hope you have a safety gap set low enough that it dings your performance. And if you don't have a Terry filter I would recommend making one. NST's are pretty easy to fry.

Jonathan


My name is Adam. I'm elated to be a new member. I was really captivated by the Tesla Coil by the you tube community and researching Nikola Tesla sparked my interest even more.
Around the beginning of 2016 I decided to try and build my own spark gap tesla coil. Before summer in May; I finally had success!!
Powered by a Transco 12,000 volt 30 mA NST into a homemade terry filter minus the MOVs. A tungsten rod static gap quenched with a vacuum pump and ceramic magnets. A homemade MMC; one string on Cornell Dubilier 942....-K connected in series. Primary coil is 1/4" soft copper tubing starting 5 & 1/2" inner diameter in a conical rise of 15-20 degrees approximately.... 50' of copper 15 turns tapped at the very end of the inner and outer turns. My secondary is a 4" PVC pipe 22" tall and the windings take 20" of the pipe. I used 28 AWG magnet wire and for a toroid I used the housing out of a ceiling fan which I sanded free of paint. It's about 14" in diameter and about 2 & 1/2" tall. It works well, but gets a lot of streamers due to the edge facing the bottom.
      I've recently swapped to a 15,000 volt 30 mA NST. France brand. Also added 3 more caps to my MMC for a new total of 18 in series. It has improved slightly from the 12kV NST, but only slightly. I will soon have another 15kV 30 mA NST; Transco brand. I anticipate a big improvement in output.... Anyway, just wanted to share with the community and ask for anybody willing to share thoughts/tips/advice etc... Any constructive criticism is welcome and I appreciate all feedback. Trust that I will take it in with an open mind. Here are some pics and video... Hope u enjoy:




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