Designing spaceplanes since 2014.

Upload list:

Mk3 chassis:
1. Medium-lift cargo spaceplane SX-03
2. Heavy-lift cargo spaceplane SX-08
3. Super-heavy lift cargo spaceplane SX-16
4. Infinite range medium-lift cargo spaceplane SX-11

Mk2 chassis:
1. High-capacity crew transportation vehicle SX-13
2. Small-lift cargo spaceplane SX-06
3. Long-range crew transportation vehicle SX-10

Other designs:
1. Low-tech lightweight crew transportation vehicle SX-12
2. Rapid deployment rocket-powered SSTO SX-22
3. Super long-range spaceplane SX-18
4. Racing coupe spaceplane SX-27
5. Hypersonic weapon platform SX-30
6. Some planes too

Under development

1. LKO crew transporation spaceplane SX-03 (optimizing ascent)
2. HTVL infinite range heavy cargo spaceplane SX-07 and SX-23 (part count, wobbling)
3. Infinite range VTVL winged SSTO SX-09 (early development)
4. Lifting body LKO crew transport SX-20 (optimizing ascent, docking capability)
5. SSTO Eve ascent vehicle SX-24 (early development)
6. Low-tech crew shuttle SX-26 (testing)
7. Seaplane SSTO SX-28