Description
18-20t to LKO, for higher orbits or heavier payloads add fuel to remaining cargo space.
On orbit, it’s best to use only the 3 aerospikes, but you must thrust limit the bottom two to about 60-64 pct thrust after reaching space or you will flip due to thrust imbalance.
A stock aircraft called KSA K1-cs. Built with 159 of the finest parts, its root part is adapterMk3-Size2.
Built in the SPH in KSP version 1.2.0.