Daenarys

A single-stage-to-orbit system leveraging massive scale to compensate for the normal deficiencies of SSTO systems, the Daenerys is shaped like a reentry pod because it is one. Ideally, it would use its huge reentry flaps and Raptor landing engines to help guide itself to a precise landing on a custom platform, as a splashdown could damage the engines. However, the flaps used to shield the engine during reentry
could be water-tight. Maybe.

While the full Daenerys uses thrust chambers from the largest hydrogen-oxygen engine designed – the M-1 engine – there are two smaller variants that use J-2 and RL-10 chambers. However, while more manageable, they do not benefit as much from scale.

Mass: 16400 tons (no payload or fairing)
Dry Mass: 1019.6 tons

Main Stage:
1 x ED-17M Aerospike (36 chambers)
Thrust (SL): 240192.7 kN
ISP (SL): 380 s
Thrust (Vac): 281910.4 kN
ISP (Vac): 446 s
Min Throttle: 25%
35,961,087 liters Liquid Hydrogen
11,163,912 liters Liquid Oxygen

Landing Engines:
16 x Raptor SL
Thrust (SL): 26772 kN
ISP (SL): 330.8
46334.4 liters Liquid Methane
65665.6 liters Liquid Oxygen