3d printing – a dipole centre and a balun

So, after seeing some of the creations from a few friends, my brother and I decided to go 50/50 on a 3d printer.  I really needed a small dipole centre and balun combo, capable of 100w tops, so I decided to go about making one.

Some designs in TinkerCad, a few tweaks here, a few there, and the case was complete, together with a number of different plates enabling custom, so239 and bnc connections. The case would eventually house a 1:1 guanella current balun, using a fair-rite type 31 core.

screen-shot-2016-09-08-at-12-13-59

The case went through a number of iterations, and prints. The above design was the finalised version (hopefully, lol).  The T clip you see in the design enables the dipole centre to be attached to a painters pole or slid down a fibre mast.

I am only printing in PLA at the moment, so the balun will not stand up to 365 days a year outdoor use.

img_4264

Anyway, the printer is nearly finished cooking another, so i’ll sign off here.

73

Richie.

 

Leave a Comment