Reporting on my try: Rocket was built using stock craft. Rocket name: Vortex IIc Parts list 1 x Command Pod Mk1 1 x Mk16 Parachute (was not used in mission due to rocket stuck in Kerbol orbit) 5 x TR-18A Stack Decoupler (4 for protecting LV-T30 Liquid Fuel Engines on launchpad) 32 x FL-T500 Fuel Tank (12 - first stage, 20 - second stage) 8 x LV-T30 Liquid Fuel Engine (4 - first stage, 4 - second stage) 40 x TT-38K Radial Decoupler (4 - first stage decouplers, 4 - second stage construction, 32 - vortex structure deformation) 8 x EAS-4 Strut Connector (structure reinforcement) 4 x FTX-2 External Fuel Duct (second stage fuel system) Both stages started at launch pad. First stage decoupled after fuel depletion. Second stage fuel depleted at 00:05:11, rocket reached 3361.8 m/s at 313 km altitude. At day 27 time 15:03:52 perfomed manual mission override due to rocket flying around Kerbol (Kerbins star) Kerbol orbit: Apoapsis: 14,873,270,065m, Periapsis: 9,483,453,603m Highest Speed Achieved: 12,239 m/s Total Distance Traveled: 25,160,733,496m Most Gee Force Edured: 3.5G