F1's 1978 fan car refutes Tesla wall-climber doubts: only control remains
theteknosaur · x · 2026-10-20
Responding to skeptics of Tesla's fan-suction "wall-driving" car concept, the author argues fan grip isn't a sealed vacuum cup but continuous airflow — Brabham's BT46B famously won an F1 race with fan suction back in 1978, at race speed. Tesla itself claims 2g+ of fan grip from 0 to 50 mph, while his wall-drive simulation peaks around 13 mph. He notes SpaceX catches 70m boosters with chopsticks and lands orbital boosters on ocean ships, so sticking a car to a wall from a meter away reduces to a 2-second control problem — SpaceX's specialty.
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