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Tesla coil secondary w/ 8 inch stainless steel sphere
You are looking at an 4 inch x 22 inch (approx.) Tesla Coil Secondary with a stainless steel sphere topload (for details on the sphere, check my 8 inch sphere listing). It is wound on a 4 inch PVC form (4.2 Inch OD) and is about 1000 turns of heavy, high temp #24 awg wire (HAPT). The wire color is bright natural copper. It's coated with Dolph's AC-43Dolphs Home insulating varnish. It's approx 24 inches tall with the included insulator top load mount ( without the sphere). Included are also both end caps. One custom external cap for the top and a sturdy 1/4 inch x 1 3/4 internal one for the bottom. Also included are (3) 1/4-20 nylon bolts to mount the base, one for the center mounting hole and two more for the holes you drill through the side wall when you have it in final position. Resonate frequency is approx 285 kHz.
If you make a primary from 0.25 inch coppper tubing with 0.25 inch spacing and a 15 nf capacitor you will be in tune at about turn 7 or 8.
These are machine wound from my lab. I personally supervise the quality of each one. This is a great way to "get a jump" on building that coil.
