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Roadster Suction Fans Generate 4,700 kg of Downforce
Tesla has detailed the aerodynamic system of the new Roadster, unveiled Thursday night. It combines ground-effect suction, active aerodynamics and SpaceX-inspired cold-gas thrusters. According to Musk, the fans can generate up to two g of suction to keep the car upside down, and SpaceX technology handles the rest. Tesla says the system can support cornering forces above 2 g, compared with roughly 1.26 g from the tires alone. During the demonstration it generated over 4,700 kg of downforce.…
- Suction fans generate up to 2 g, per Musk, and 4,700 kg of downforce in the demo.
- Tesla claims over 2 g in cornering, versus 1.26 g from tires alone.
- Adjustable rear wing uses actuators derived from Tesla's Optimus program.
🔎 Why it matters: Tesla gives the most detailed explanation yet of how the fan suction, active aero and cold-gas thrusters of the new Roadster work together. The key figure is the 4,700 kg of downforce recorded in Thursday's demonstration.
📈 Upside: The rear wing adjusts its angle automatically to balance downforce and drag, according to Tesla.
📉 Risk: The 2 g, 1.26 g and 4,700 kg figures are Tesla claims from its own demonstration; the article includes no independent testing.
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