Elon Musk: “The carbon fiber is much less resilient than steel. It has…”

“You've got to cure it, and you've got to cure it in such a way that it doesn't have any wrinkles or defects. The carbon fiber is much less resilient than steel. It has much less toughness. Stainless steel will stretch and bend. The configurable will tend to shatter. So toughness being the area under the stress strain curve. So that you're generally going to do better with steel.” (2:05:18–2:05:25)

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