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- Type: SPH
- Class: spaceplane
- Part Count: 64
- Pure Stock
Named after Pallas the daughter of Triton, son of Poseidon, the XC-73A is a medium size SSTO for crew transfers to Kerbin’s low/medium orbits.
Months ago I got the desire to realize a spacecraft inspirited from the Convair B-58 Hustler strategic supersonic bomber and quickly made it. But after two unsatisfying flights I parked her in orbit and worst, I loose interest for KSP for months… but today is the rebirth of the goddess!
I modified Pallas a bit and she’s now able to reach 200 km with five unconscious intrepid on board and come back to the surface without any problems.
The take-off roll with her will be pretty fast, I would recommend to start the rotation around 150/60 m/s then stay under 1000 m until you reach more than 500 m/s, then you should be able to start the climb at 20 degrees, switching engines mode around 25 km.
Press 2 to engage the closed-cycle mode and close the engines intakes. Once you feel like you can’t compensate or maintain your pitch press 3 to shut down engines 3 and 4. The outer engines are angled to give a thrust axed with the center of mass.
Then for the rest it’s about banality.
Try to realize the final approach between 110-130 m/s, the aircraft is not even stalling at 90 m/s but it starts to become dangerous. Of course if you are coming back with a lot of fuel just plan more speed… and luck to not overrun.
A stock aircraft called Sleg XC-73A Pallas. Built with 64 of the finest parts, its root part is Mark1Cockpit.
Built in the SPH in KSP version 1.3.0.
The over-traditional flight album.
Climb and docked to Outer Heaven.
The re-entry can be a bit hard. Just foresee a good positive angle before 70 km.
110 m/s theoretically is a good landing speed. Just add 5 more for the insurance, 5 more for your own Kerbals safety and 10 more because it’s KSP and we never know what could happen. So 130 m/s in final is nice.
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