Thingiverse
49:1 EFHW 2x FT140 Transformer Box by Chetmystery
by Thingiverse
Last crawled date: 3 years, 4 months ago
Small fitted box to hold an end-fed half wave antenna transformer made on two stacked FT140 size toroid cores.
10mm D-shaped and countersunk hole for panel mount BNC connector.
4mm holes sized for #8 hardware to make the antenna and ground connections.
3.5mm blind hole on top to direct thread a small eyelet if desired for strain relief of the antenna wire or for hanging the box.
Lid may be secured with a few drops of super glue or hot glue.
UPDATE: 11/9/20, Added new edit of version with text to include a few improvements to internal dimensions and made the BNC connector hole key'ed to make assembly easier. Also added small pry points on the lid to allow future removal after gluing if required.
10mm D-shaped and countersunk hole for panel mount BNC connector.
4mm holes sized for #8 hardware to make the antenna and ground connections.
3.5mm blind hole on top to direct thread a small eyelet if desired for strain relief of the antenna wire or for hanging the box.
Lid may be secured with a few drops of super glue or hot glue.
UPDATE: 11/9/20, Added new edit of version with text to include a few improvements to internal dimensions and made the BNC connector hole key'ed to make assembly easier. Also added small pry points on the lid to allow future removal after gluing if required.
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