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Tesla Unveils Prototype Roadster Featuring SpaceX Cold-Gas Thruster Technology

The new prototype demonstrates aerial maneuvers and extreme acceleration using advanced compressed air systems.

Gizmodo2 min

1Prototype Performance Demonstration

Tesla showcased a new Roadster prototype at a SpaceX facility in Texas, demonstrating the ability to perform aerial corkscrews and drive upside down. The vehicle utilizes SpaceX cold-gas thrusters powered by ultra-high pressure air tanks. During the live event, the car successfully executed jumps and maneuvers without suffering any structural failures or explosions.

2Technical Thruster Capabilities

The vehicle features attitude control thrusters and main rear thrusters, delivering 80 kilonewtons of force. These systems use compressed air, eliminating the need for traditional fuel. Musk noted that the car can accelerate to 60 miles per hour in 0.81 seconds, pushing the physical limits of human G-force tolerance during high-speed maneuvers.

3Downforce and Cornering Mechanics

To enable upside-down driving, the Roadster employs suction fans capable of generating over 2 Gs of cornering grip. Musk claims this downforce significantly enhances track performance, potentially allowing the vehicle to surpass existing speed records. The thrusters provide the necessary stability to maintain control during complex, high-velocity movements on specialized test tracks.

4Regulatory and Safety Hurdles

The Federal Aviation Administration classifies vehicles that leave the ground as aircraft, necessitating strict airspace restrictions. Tesla faces a history of conflicts with the National Highway Traffic Safety Administration regarding vehicle safety. Operating these thruster-based features in public traffic remains legally prohibited, limiting the practical application of the car's aerial capabilities.

5Production Timeline and Configurations

Tesla confirmed the Roadster will enter production in 2028, describing this as a firm timeline rather than an estimate. The vehicle will be available in three distinct configurations: Performance, Thrust, and Rocket. Only the Rocket trim includes the specific thrusters required for vertical axis movement, representing the most advanced version of the platform.

6Historical Context of Reveals

This reveal follows a decade of deposit collection and previous marketing stunts, including launching a mannequin into space. Past demonstrations, such as the Cybertruck's window failure, created skepticism regarding Tesla's product launches. Consequently, this event was viewed as a critical moment for the company to prove its engineering claims were not merely promotional.

7Practicality of Aerial Features

While the Roadster can perform corkscrews, the practical utility of such maneuvers remains unclear. Musk acknowledged that few drivers would realistically choose to drive upside down. The noise levels from the cold-gas thrusters are deafening, and the physical impact on passengers during extreme aerial stunts could be severe, limiting real-world use cases.

8Strategic Engineering Implications

The collaboration between Tesla and SpaceX highlights a shift toward integrating aerospace technology into consumer automotive design. By utilizing compressed air for propulsion, Tesla is exploring new boundaries in vehicle dynamics. However, the long-term success of this project depends on overcoming significant regulatory oversight and proving the viability of these features.

Original article: Gizmodo — Tesla Unveils Prototype Roadster Featuring SpaceX Cold-Gas Thruster Technology