The blue painter's tape shown here defines the channel for the Dab adhesive. Chalk lines are helpful for siting the tape position but are not necessary. The glue is applied by hand for a thin coating along the entire length of the tube. Wait at least three hours before removing the tape. The wire will find a permanent seat on the sealant immediately as winding proceeds.
Updated September 30, 2019. Using 3/32" (.09375" or 2.381 mm) Harris 4043 aluminum wire to make the coil. A new drive, a new wire guide scheme, and a new wire transport are show here. The 6" conduit used for this test is a brand X scrap piece rescued from a junk pile.
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.
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