[icelancer]

"Any idiot can build a bridge that stands, but it takes an engineer to build a bridge that barely stands."

A favorite quote from these types of engineering analyses.

[WalterBright]

Haha, so true. Structures can have multiples of strength for safety margins. Airplanes have 50%. Spacecraft - 10%. There's no way anyone is going to design spacecraft parts without being very good at math.