Okay, so the wagon wheel comes with the forge. It allows you to adjust the depth of the heater to accommodate different ovens, and fine tune your experience, there is no need for anything else to hold your oven.
Some of the things that set the forge and wand apart are time of heating, and...
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That’s definitely a high ohm crucible. You could try locking in your ohm’s, and setting your t r value at .0008. This is the lowest tcr setting available, but may be close enough to function properish.
I used these instructions ( https://thevapor.ninja/tcr/ ) to setup my escc in tc mode on dna mod, using the resistance, and tcr settings provided with my escc. Works great, even with extension cable.