OK I found http://www.monolithic.org/calculators/dome-calculator and put in two calculations:
Inside dome: diameter 30", height 16" stemwall 6" and got total volume of 12,040 (units unknown).
Outside Dome: diameter 34", height 18", stemwall 6" and got 16,672.4.
Leaving me a net of 4,631.72 ??? cubic inches?? cubic cm?
Inside dome: diameter 30", height 16" stemwall 6" and got total volume of 12,040 (units unknown).
Outside Dome: diameter 34", height 18", stemwall 6" and got 16,672.4.
Leaving me a net of 4,631.72 ??? cubic inches?? cubic cm?
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