[Spaceships] Is This Legal?

[MatthewVilter]

Originally Posted by ericbsmith

I don't know enough about NTRs to say much. While I know the design system inside and out, that doesn't necessarily mean I know all of the underlying assumptions (or physics, or whatever else) as intimately. What is the issue you're referring to?

"Each fuel tank of hydrogen gives a delta- V of 0.3 mps (TL7-8) or 0.45 mps (TL8)." - Spaceships p. 22

At TL 8 we are "TL7-8" and "TL8"...