Description
A heavy lift SSTO reusable rocket capable of puting up a 100t payload into 75km LKO with just enough fuel left over to deorbit itself, with 3 sets of sepratrons just in case. 1 Mammoth + 4 Vector engines adapted to Kerbodynes largest 5m tank. 3.75m fairing. Has rocket RCS. All the best Kerbodyne (and some parts from Jebediahs Junkyard) has to offer in one lift system.
A stock rocket called Kerbodyne S4 KS25x8r. Built with 117 of the finest parts, its root part is Size3.Size4.Adapter.01.
Built in the VAB in KSP version 1.10.1.