[AMRadio] Ceramic feedline spacers

[Nigel Holmes]

Hello Max,

Take this as definitive: the feedline wire is placed in the notch & the tie wire goes through the hole. This allows easy repairs. The 2" spacing is rather small, probably about 400 ohm with 12 gauge wire. Just right for amateur use. The big ones 8-12" are good for 600 ohm depending on wire size.

An exception is the small 4-hole balanced feeder insulators for receive applications. These have no tie provision which means threading the wires through all insulators. There are also split pair insulators with four opposing slots for replacing the originals when they break.

Balanced feeders are great. Have fun.

73  Nigel  VK3DZ


-----Original Message-----
From: amradio-bounces at mailman.qth.net [mailto:amradio-bounces at mailman.qth.net] On Behalf Of AirRadio
Sent: Monday, 19 December 2011 4:01 AM
To: Discussion of AM Radio in the Amateur Service
Subject: [AMRadio] Ceramic feedline spacers

I have a bunch of 2" (hole spacing) ceramic feedline spacers, they have a hole in each end with a groove running around the outside, now here's the question,( and I am only asking this as after looking for most of the evening here I cannot find the answer anywhere) Does the feedline wire go in the hole or on the outside and how to fix the wire to the spacer, I would assume the feedline wire goes in the hole and a wire twist holds it there, however, some say the feedline goes on the outside with the wire twist from the inside.  
73 Max
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