GURPS Spaceships Design Spreadsheet

[DaltonS]

Originally Posted by Rupert

Well, as something designed in the 50s it's a TL7 thing by time-frame. Part of the problem is probably that jet engines in Spaceships are too efficient, both in power/weight and in fuel consumption.

So my best bet would be creating a new prototype afterburning jet engine as a user system? How should I go about that and what kind of fuel consumption should it realistically have?

Dalton “Looking for other realistic user systems” Spence