Origin I
The Vacuum Chamber
A physical vacuum chamber built from scratch in 30 days. 99.9% vacuum achieved. 1,000x drag reduction at operating pressure. Forge Hyperloop started here.
Why a vacuum chamber first
Hyperloop only works inside a near-vacuum tube. Air resistance at 1,000 km/h would require more energy than the system could produce. Without vacuum, there is no hyperloop. Not a slow one. Not an expensive one. None at all.
Origin I was built to prove the vacuum is achievable outside a corporate laboratory, with off-the-shelf components, by one person. If the fundamental environment cannot be created and sustained, every other engineering question is irrelevant.
The build
The chamber is fabricated from 6061-T6 aluminum tube with welded end flanges. Sealing uses Viton O-rings seated in precision-machined grooves. A two-stage rotary vane pump pulls the initial rough vacuum. A turbomolecular pump carries it the rest of the way down.
Every joint was leak-tested with helium before final assembly. Helium, being the smallest non-reactive gas, finds paths that air does not. Any joint that passed helium leak detection was sealed. The chamber reached target pressure on the first full pumpdown.
The pressure measurement system uses a combination of a Pirani gauge for rough vacuum and a cold cathode ionization gauge for high vacuum. Both were calibrated against NIST-traceable standards before installation.
What 99.9% vacuum means
Standard atmosphere is 1013 mbar. Origin I operates at approximately 0.1 mbar. That is a pressure reduction of roughly 10,000x. At that pressure, the mean free path of air molecules, the average distance a molecule travels before hitting another molecule, increases from roughly 70 nanometers at standard atmosphere to several centimeters.
The practical consequence: drag falls by a factor of approximately 1,000. A pod moving at 1,000 km/h inside Origin I at operating pressure experiences aerodynamic drag equivalent to moving at approximately 32 km/h in open air. The energy math for the network becomes viable. The operating pressure of a full-scale commercial tube is lower still, around 1 Pa (0.01 mbar), reducing drag further. Origin I demonstrates the approach works at bench scale.
What comes next
Origin I is the environmental proof. Aether I is the propulsion and levitation proof. The next phase combines both: a magnetically levitated pod inside a vacuum environment, moving under its own power.
That combination, levitation plus vacuum, is the core technical demonstration required to validate the hyperloop concept at small scale. Everything after that is engineering, not physics.