Electric heating element – Kanthal A1 Wire

http://www.instructables.com/id/Electric-Kiln-the-cheaper-ever/step8/Assembling-it-part1/

Step 1Tools, materials and cost

Tools:
angle grinder
drill
1cm diameter wood dowel
pliers, screwdrivers etc.
Google Sketch-Up
metal file
pliers
papercups and stick

Materials:
16 firebricks (for this design, your might need a different number)
1 small pack (1kg) of refractory mortar
4m stell “L” bars from metal shelves
nuts and bolts
stone-wool insulation
some old computer cases (or any other sort of metal sheet)
Kanthal A1 Wire : 12 meters in my case.
metal wire.
3 (at least) ceramic whire couplers
electric wire and plug (rated 20Amps)

Cost:
20 euros for the bricks and stone-wool
25 euros for the steel bars, nuts, bolts, anglegrinder disks
20 euros for the Kanthal A1 wire and electic stuff
0 for the metal plates
10 euros for the fire refractory mortar

About janpenguin

Email: janpenguin [at] riseup [dot] net Every content on the blog is made by Free and Open Source Software in GNU/Linux.
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