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| Here are some pictures and a little info on three small secondary coils that I wound with Raidoshack #30 magnite wire. All coils were wound on dried pvc and then polyurethaned. These are my first generation coils, together with a secondary that has only 450 turns. I will be building the second generation this winter 2000/01. |
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| Dia: 1.2 inch Winding HT: 7.6 inch # turns aprx 680 HD:6.5 Topload:5-15pf freq:1,500-650Khz power input: 360Watts Spark out put: two to three streamers 16 to20 inches |
| NOTES: The wire is considered too small yet the tiny coil would run for 10 min before it got hot. This was a twin coil but the sister coil shorted out almost immediately, thanks to a small piece of varnished paper towel! The other has run well for over 20 hours of operation. I recommend polyurethaning the @%$# out of your coil especially if the wire is less than heavy coated. If it is, then you need only coat the !^)) out of it! The H/D raito is a little extreme and the bottom of the coil is where the heat was, of course there is less voltage and more current here. When I wound these twins I use my multimeter to count my wire length this seems to be quite accurate . |
| DIA: 1.8inch Winding HT: 10 inch Aprx turns:889 Toapload: 10--20pf Freq:650-460Khz Power input:760 watts Spark output: two to four sparks at 30 to 36 inches |
| NOTES: I really like this one and will be building an improved 2 inch model this winter. The topload must stay within four inches of the top turn to shield it from break out. |
| Link on the fritzs try zebulan123@ yahoo.com |