Tesla Roadster's cold-gas thrusters run on plain compressed air and recharge while driving
altryne · x · 2026-10-17
Details of Tesla Roadster's "cold gas thrusters" have emerged: no special gas involved — just plain air. A battery-powered onboard compressor pressurizes ambient air into onboard tanks.
Key specs: 250kg of compressed air stored, used for short bursts like acceleration, jumping, and spinning; the system reportedly uses SpaceX-derived tech and self-recharges while driving or parked, meaning the jump feature can be used repeatedly. altryne marveled that it's just air and asked DHH for a ride.
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