Look at the time stamps on Vektor's last two messages! "I'll see if I can rough out a deck plan ..." and one hour later, BANG! A detailed sketch that would work as background art representing a blueprint.
The comparisons to Doc Brown are quite appropriate.
Dang, he is fast. Almost as fast as I am slow and meticulous.
Vector, how do you do it?
And do we have to call the "booster engines" booster engines? "Auxiliary thrusters" would seem like a more likely term to be used.