SGTC – Primary Coil

It’s usually best to start at the bottom…


The Base

The base assembly prior to varnishing etc. The coil supports are made from HDPE (chopping boards) and were cut on a table saw which worked quite well. I fixed them to the MDF base using a hot-melt glue gun. The grey socket in the middle is the end of my coil former pipe with the rubber ring seal removed to make assembly easier.


The coil

The finished primary coil. The base had three coats of varnish. The copper pipe is held in place by miniature nylon cable ties, there are no metal fixtures at all in this area.


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