Plasma

750 mm Plasma Tubes and Vacuum Tube Tesla Coil

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I bought two 750 mm long and 70 mm diameter plasma tubes from Barracuda Glass by Chris Burak. These lovely borosilicate glass tubes are filled with a mix of iodine, argon and krypton, for a bright blue glow. The Tesla coil used, is one of my first Tesla coils ever built. The Kaizer VTTC 1. […]

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10 kVA Kjellberg Plasma Cutter CUTi 31 Teardown

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A teardown of a Kjellberg CUTi 31 Plasma Cutter with a power rating of 10 kVA. Made for cutting in 25-30 mm steel. Connecting voltage (V): 3x 400VAC Connecting power (kVA) 10.4 Mains fuse, slow(A) 16 Open circuit voltage (V) 240 Cutting current (A) 20…70 Duty cycle 70A/35% or 50A/100%

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