Saturday, October 19, 2013

Mission 52 - one-Kerbal rocket SSTO

Mission 52

Reusable Prototype Vehicle Type-02
Description: A single-stage-to-orbit vehicle capable of carrying one Kerbal into low Kerbin orbit and back.
Mass at launch: 25545 kg


Mission objective: Launch into low Kerbin orbit, then de-orbit and land near the space center.

Crew: Newmin Kerman

For the first time, the MechJeb software was installed on the spacecraft; however, its autopilots were not used. More on that later.



The craft ascended with two toroidal aerospike engines, connected to the main fuel tank via Radial Attachment Points (in suborbital test simulations, the Stack Bi-Adapter tended to fall off when the parachutes fully deployed).



Vessel in stable 70 km orbit



Watching the sunrise from the inside



MechJeb's landing autopilot tended to waste too much fuel. Instead, a maneuver node was set up, and MechJeb showed the predicted landing site. A manual de-orbit burn occurred at the node. Any deviations from the landing site were corrected using short and careful bursts of the engines. Final predicted landing site was 2 km west of the space center.



Re-entry



Deployment of the six parachutes caused the predicted landing site to shift to about 9 km west of the center.



Landing gear down



Touchdown



Newmin Kerman stands beside the vehicle.



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