Doublet Center 450 Ohm
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Center strain reliever for a 450 Ohm fed doublet antenna.
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- Source
- Printables
- Category
- Electronics
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- Creative Commons — Attribution
Center strain reliever for a 450 Ohm fed doublet antenna. The wire dimension has been optimized for a snug fit of Davis RF PolyStealth #18 wire. The window is to prevent water from from pooling around the solder connections. Screws are 12 mm M4.
I use this for a 100' non-resonant doublet. Would also work fine for a G5RV or ZS6BKW.
Created using OnShape. Let me know if you want a link to the OnShape document (e.g. to customize the wire slot dimension).
Printed with 2 perimiters. 0.2 mm layer height. 30% infill.
Print “top” with washer cutouts facing down and support from build plate.
Print “bottom” with nut cutouts facing up and no supports.