VTTCBIG2 Vacuum Tube Tesla Coil

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Uploaded by on Jan 3, 2009

VTTCBIG2 Vacuum Tube Tesla Coil
Bobina di Tesla valvolare realizzata con valvola GU81M

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Uploader Comments (teslacoiler)

  • Are Tesla coils always with AC?

  • @GingleGangle1

    Tesla coils can run only if powered in AC with the correct frequency (determined by the values of the primary coil with his tank capacitor and the secondary coil with his self capacitance)

    The vacuum tube is powered vith DC and act as oscillator with the frequency determined by the LC tamk circuit

  • you shouldent run the coil for a long time because you could burnout the tube. and put stress on the transformer

  • Don't worry.

    I made some endurance test at this VTTC, the temperature of the components slowly increase and after 4 minutes they become stable.

    I sometimes ran this coil for about 10 minutes continuosly without any problems; i don't design it for the maximum performances but for higher lifespan instead, this coil is 4 years old and, so far, i blown only 1 MOT and 1 diode (both overvolted during a wrong manouver)

Video Responses

This video is a response to VTTC GU81 ai laboratori Teslawood
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All Comments (6)

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  • Tube's anode is getting red over the time, a sign that many mA of current pass through. I don't know of how much time a vacuum tube can handle in such a situation.

  • Già dai video e dalle foto avevo capito che il tuo VTTC era una cosa fantastica, però al mercatino di Marzaglia, vederlo dal vivo... wow... è un'opera di arte contemporanea, non una semplice bobina di tesla! Davvero complimenti, ci hai dedicato tanto tempo e impegno immagino, ma il risultato si vede che è fantastico!!!!! Nuovamente complimenti!!!! :D

    Arma ^^

  • Fabio sei il meglio!!!! come sempre :D

    Chissà se un giorno ariverò ai tuoi livelli :)

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