Chapter 03 · Field Metrics
Pneumatic Union Almanac
Dry Lake, Nevada
04 / 12
The takeaway · Membrane economics, 1972–1975
Cheap vinyl outperforms every “permanent” structure we tried — by a factor of nine.
Cost per sq. ft. · Enclosed volume
$0.42
Average build cost of a 50×50 ft pillow, 1974 desert edition
89% cheaper than shed frame