KSP v1.5: Single stage, nonstop trip to Eve and back: World first stock, unrefueled SSTK from Eve.

Stock parts and physics, one very long spaceplane. References: Astrobond: First Eve SSTO proof of concept:    • KSP 1 04 Eve SSTO 6882m   Stratzenblitz75; First fully reusable Eve mission:    • Eve ∞ - A completely reusable mission to E...   Kergarin Aerospace; First fully functional Eve SSTO:    • Stock REUSABLE EVE SSTO Lander   My own asteroid-shenanigans Eve single stage mission:    • The Odyssey by Bill, Book 19: Single stage...