Why Cantex ?

Why Cantex ?

Their material is UV-stabilized for weathering strength in the changing climate of Northern Ohio. It also machines and drills consistently. The dielectric constant is the same from piece to piece, and the Cantex compound resists chalking. I've filled a dumpster with look-alike parts that failed to survive the coiling process at some point.

See http://www.cantexinc.com for specifications.

The information presented here is accurate and true to the best of the author's knowledge. All recommendations and statements are made without guarantee on the part of the author. The author disclaims any liability in connection with the use of this information.

Saturday, September 1, 2018

Setup Complete


The new setup includes idle support wheels that float the tube in an X/Y pattern as opposed to the old wheels which simply rotated in one direction. The 6" tube has a tendency to travel in one direction, the the newer idlers minimize the motion.

The brick shown above keeps the main rotation motor stand from moving as coiling progresses. Over three of four hours, the drive will move on it's own enough to require operator intervention if not held in place securely.

The new wire guide is the cartridge from a ballpoint pen. It's ID is .046 - .048 " and it's wall is .024 -.025". It seems to be made of tough material, and it's perfect for closely spaced wire winding. The goal is to stuff 15 turns of wire into 1 inch of coil form. This translates into approximately 1388 feet of wire per half of the dipole antenna using .045" wire.





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