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  • Velociraptor420 commented on willi1131's instructable GU-81 VTTC1 year ago
    GU-81 VTTC

    Hello! This is an amazing project and I want to build. There are some questions though:1. What bulb shall I use? Normal 220v 100W bulb or something special?2.What is the purpose of the 700pF 12.5KV capacitor? Can I use a 1000pF 15KV cap instead ?3. What is the purpose of the 4.7nF 6KV cap in the filament transformer output?4. Should I use a separate grounding rod for the Coil and if yes, to which part of the circuit should i connect it? (I have RCD breakers son any ground current will trip them)5. What is the purpose of the "UKW Trap" ?6. Can I run both transformers from the same outlet?I would also like to appreciate the amount of work put into making this instructable! I really love this project but I don't want to do anything before fully understanding the schematics. Sorry...

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    Hello! This is an amazing project and I want to build. There are some questions though:1. What bulb shall I use? Normal 220v 100W bulb or something special?2.What is the purpose of the 700pF 12.5KV capacitor? Can I use a 1000pF 15KV cap instead ?3. What is the purpose of the 4.7nF 6KV cap in the filament transformer output?4. Should I use a separate grounding rod for the Coil and if yes, to which part of the circuit should i connect it? (I have RCD breakers son any ground current will trip them)5. What is the purpose of the "UKW Trap" ?6. Can I run both transformers from the same outlet?I would also like to appreciate the amount of work put into making this instructable! I really love this project but I don't want to do anything before fully understanding the schematics. Sorry If my questions are stupid/noob but i'm new to VTTC stuff.:>

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