Boeing 737 EFIS Knobs
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Printable files (3)
Description
Bottom knob with 6.5mm hole to fit standard rotary switch (M3 set/grub screw). Top knob 3.1mm hole to fit 3mm brass shaft to create dual concentric switch/encoder. Hole needs to be drilled through the rotary switch to make it work.
More info on my 737 project: https://www.facebook.com/sum1els737