Good" payload fraction for a space plane? And general advice for d/v and fuel calculation. - KSP1 Gameplay Questions and Tutorials - Kerbal Space Program Forums
SSTO formula : r/KerbalAcademy
Surface to Orbit - Atomic Rockets
Tutorial: Simple and Easy SSTO - KSP 1.3 - YouTube
Kerbal Space Program is coming to the TI-83 Calculator! - KSP Fan Works - Kerbal Space Program Forums