Julien Kerman

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About Julien Kerman

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    Spacecraft Engineer

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  • Location Germany

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  1. What did you do in KSP today?

    @X Sonic Pro X will like this ^^ Some great shots of my Saturn Explorers
  2. What did you do in KSP today?

    To be honest, nothing went wrong. This was just an abort test. I wanted to check..... -If the abort action group works correctly -How fast I can leave the pad in case of an emergency -If the acceleration is not too dangerous -If I can deploy chutes in time (before I hit the ground again) -How high and in which direction the Launch Escape System throws me
  3. What did you do in KSP today?

    Abort !!
  4. What did you do in KSP today?

    7th official Atlas V Mission:
  5. What did you do in KSP today?

    The Callisto Lander entered Jupiters SOI and performed a capture burn (I am afraid that it wont be able to land there --> RIP 7.5 million) Also, after its 12 years trip to Uranus, the Voyager 3 probe finally arrived:
  6. What did you do in KSP today?

    Indeed, the SOI is tiny. The second last picture was taken before SOI switch. I am glad you like it , and of course I will document the mission progress.
  7. What did you do in KSP today?

    Saturn Explorer 01 and 02 arrived!! They will perform several fly-bys of Saturns moons. Capture burn: (1100m/s deltaV) This is so awesome: Enceladus was the first moon I visited: Can you see it already? Still tiny: Here we go! PE: 75km max. Velocity: 13,900 m/s
  8. What's your favorite rocket engine?

  9. Whats your favourite Launch Vehicle?

    The Ares V and the Titan 3E
  10. The Official Realism Overhaul Craft Repository.

    [My thoughts from Yesterday]: "SpaceX' ITS rocket was actually a pretty good lifter, before they cancelled it..... If I could build it for my RP0 playthrough, I would have a 450 tons to LEO rocket.....but I if could transform the Interplanetary spaceship into an usual upper stage, I would have something even better........" *Two hours later* Here we go!! 9500 tons , 12m in diameter, 43 engines and 150m tall. FPS: 5 This is the first stage engine cluster. Stage sep, second stage ignition. The new upper stage features the same engines as the original spaceship (6x VAC // 3x SL) and the same mass. The upper stage engine cluster. The 460 ton payload dummy was delivered into orbit without any problems. At engine cut-off, I had 700 m/s deltaV left, so the second testflight will launch with a 500 ton payload ^^.
  11. What did you do in KSP today?

    [From yesterday] I did some testing with nuclear engines and transfer stages for upcoming crewed Mars Missions. Static fire test on the launch pad: Then I tested the TWR, the acceleration and the fuel boil-off in space: The configuration you see here is 9m in diameter and could push a 72 ton payload to Mars. I was inspired by NASA's "Mars Transfer Vehicle" and @winged's incredible video.
  12. Why are people against mods?

    I would not be able to live without my Realism Overhaul.
  13. What did you do in KSP today?

    Today I launched the Magellan Probe to Venus: Launch on Titan 4A, because I dont have a Reusable Shuttle System yet. Transfer to Venus. Second stage finishes the burn. Probe separation. Then I realized that I had forgotten the solid motor, which should be attached to the bottom of the probe. A capture burn wont be possible
  14. Can we get a Raptor engine (cluster) ?