137.5mhz QFH antenna by killowatt

Last crawled date: 3 years, 3 months ago

An easier to print qfh antenna that can be adjusted for variance in pipe sizes. this should fit 1/2 pcv pipe/conduit as well as any pipe within approx 21-24mm
Improvements include.
~ Symmetrical parts
~ Correct size for 137.5
~ Short and long arms marked
~ Thicker
~ Larger wire holes (4.5mm)
Usage
Print 2 of the x shaped parts and a short and long arm.
Trim nubs to fit pipe using side cutters or a file
Assemble parts onto rod and glue
Wire antenna per attached img
12/32020
Added segmented files for smaller printers 200x200
you will need
1 x-part
2 center sections
4 long arms
4 short arms
For 100x100
1 x-part
2 center sections
4 long arms
4 short arms
8 extenders