And, there wasn't any computers around to help with the designing of the structure.

If any are interested, Middle Age Architecture: How the great cathedrals were built - Documentary

There was only 16 squadrons of RAF fighters that used 100 octane during the BoB.
The Fw190A could not fly with the outer cannon removed.
There was no Fw190A-8s flying with the JGs in 1945.