LeCun Debunks Musk's Flying Car Demo: Only ~5 Seconds of Thrust

After Musk claimed flying cars are real, Yann LeCun calculated that the demo likely used compressed air with under 50 seconds of specific impulse, yielding only about 5 seconds of usable thrust—far from practical flight.

2026-10-17 ~ 2026-10-18 · 3 related posts

• LeCun mocks Musk's flying-car boast with a one-word hydrogen peroxide jab — ylecun · 2026-10-17
• LeCun crunches the numbers: Musk's jet car demo is compressed air with ~5s of thrust — ylecun · 2026-10-18
• LeCun does the math: compressed-air jet car has maybe 5 seconds of useful thrust — ylecun · 2026-10-18