On: Blackbird SR-71 Flight Manual (2010)

[bojo]

If I recall correctly the plane was built to stretch at high speeds, so the panels were designed to be loose, and the plane would leak a lot of fuel until it reached optimal speeds.

[kmstout → bojo]

Q: How do you know there's fuel in the Blackbird?

A: It's leaking.

[hef19898 → kmstout]

Same goes for oil in old Land Rovers!