With that said, when the plane took off, fuel managed to escape before the airframe could expand Yes, the plane does leak fuel, but not enough to require refueling after takeoff Once again, this proved advantageous
Why did the SR-71 Have to Refuel Right After Take-off?
With less fuel, the jet's tires and brakes could release pressure, creating a safer, steadier, and reliable aviation journey.
It's actually designed not to leak fuel (and no, the bae 146 does not use apus as engines)
Yes, there are gaps in the panels, but they're sealed with a specific kind of sealant to stop the fuel from leaking out. (nasa, wikimedia) well, metals expand when heated and shrink when cooling down.