I just wanted to show how easy to build a homebrew air variable and high voltage butterfly capacitor.
I designed and used 3D printed endplates. They are free and can be downloaded from https://www.thingiverse.com/thing:4573307
If you want to see instructions and BOM part list visit my blog
ENGLISH: http://www.ta2wk.com/high-voltage-diy-air-capacitor-for-magnetic-loop-antennas/
TURKISH: http://www.ta2wk.com/manyetik-loop-antenimiz-icin-ayarli-kapasitor-yapalim/
**If you want to buy butterfly capacitor plates, full diy kits and other parts visit;**
- Etsy store https://www.etsy.com/shop/SnowistCorner
- eBay Store https://www.ebay.com/str/ta1lsxstore
TA2WK, 73