Uncovering the Incredible Engineering Feats of the SR 71 Blackbird

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  1. My favorite fact about the blackbird is that the fuel tanks leaked (a LOT) when the plane was on the ground and during the first minutes of flight. Thermal expansion completes the seal, which is also why they take off with the afterburners on; they need to heat those panels up very quickly in order to close those gaps.

    Also, immediate mid-air refueling is required after takeoff.

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