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Olympic 28 Gas Raku Kiln – Large Updraft Gas-Fired Raku Kiln for Pottery
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Olympic Raku & Torchbearer gas kilns bisque, high fire (cone 10), reduce, and raku. Olympic updraft gas kilns are constructed from durable firebrick and are equipped with venturi burner systems to ensure even temperature firings.
Olympic Raku gas kilns are specially designed for raku work by retaining heat in the firing chamber when elevated by the turn of a hand winch, allowing easy access, while trapping the heat in the kiln and away from the operator.
Models come equipped with a burner system which includes an ignition to light multiple burners at one point, maintain the flame on each burner, and re-ignite any burner that may extinguish. The thermocouple safety shut-off will stop the gas flow if the flame is lost entirely.
Olympic Raku and Torchbearer models come with the frame welded to the firing chamber (Rakus) or with the burners welded onto the kiln stand (Torchbearers), peephole plugs, brick for covering the porthole on top of the kiln lid or chamber during reduction, and an instruction manual. One-year Limited Kiln warranty for cone 10 models.
Key Features
Hand-Winch Lift Chamber — The firing chamber raises on a hand winch for safe, controlled raku extraction while trapping heat away from the operator
Cone 10 / 2350°F (1288°C) — Fires to full cone 10 for bisque, high fire, and reduction in a single kiln
4-Burner Venturi System — 280,000 BTU/hr total; venturi burners deliver even heat distribution and fast, controllable firing times
Large 10 Cu Ft Capacity — 28.25″ × 27″ chamber — the bigger of Olympic’s two gas raku models, suited for larger pieces and small classes
Natural Gas or Propane — Adjustable orifices for use with either fuel; easily switched between oxidation and reduction atmospheres
Multi-Point Ignition System — Lights all burners from one point, maintains flame on each, and re-ignites any extinguished burner
Thermocouple Safety Shut-Off — Automatically stops gas flow if the flame is lost entirely
Welded Frame Construction — Frame welded to the firing chamber for durability through repeated raku thermal cycling
Includes peephole plugs, porthole brick, and instruction manual
1-Year Limited Warranty — Built in the USA by Olympic Kilns
Full Specifications
Model
28 Raku
Inside Setting Area (w x d x h) inches
25.25 x 24
Inside Volume
8.9
Inside Dimensions (w x d x h) inches
28.25 x 27
Cubic Feet
10
Outside Dimensions (w x d x h) inches
48 x 36 x 78
Brick Thickness
3″
Maximum Temperature
Cone 10-2350°F/1288°C
BTUs/Burner x 1,000
70
BTU/HR Total
280,000
Gas Pipe Inside Dimensions
3/4″
Propane (LP) Water Column Pressure
11″
Natural Gas (NG) Water Column Pressure
7″
No. of Burners
4
Orifice Size LP
#40
Orifice Size NG
9/64
# of Gallons LP per Cone 10 Firing
12
Est. Ship Wt (lbs)
480
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