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Found 4 results

  1. I'm playing KSP for a while now and I once did a trip to Eve and back, learning some stuff on the way. I see a lot of people struggling with Eve return missions and I noticed that I have a few tips that would be helpful for many of those people, so I decided to write a guide about it. If you see any errors in it, feel free to ping me. Who is this guide for? Before following this tutorial, you should have already done other manned interplanetary missions (with safe return to Kerbin) and you should be able to put a few hundred tons payload to LKO in a single launch. Useful mods: You might be able to complete the mission without these mods, but I highly recommend using them since it will make stuff easier. Trajectories RCS Build Aid Kerbal Engineer Redux Where to start (and where to not start) The challenging part of the mission will be the journey from Eve's surface back to Kerbin and not the other way. You should begin by designing a vehicle that can get away from Eve's surface. Don't worry about landing on Eve yet. (We'll place parachutes, landing legs and heat shields on decouplers and eject it all after landing on Eve.) For now, just pretend the KSC is located on Eve and you want to design a rocket for a one-way trip to Kerbin (or just to Eve's orbit if you want to do an Apollo style mission). You can do test flights from Eve's surface by teleporting your vessel to Eve using HyperEdit or the cheat menu and hit "Revert Flight" afterwards. Important: Do not start dealing with how to land on Eve before you're completely sure that your vehicle can get away from Eve, otherwise you'll probably waste time designing a landing system for a ship that doesn't work. Apollo style makes lander design much easier since you'll have to carry much less mass from Eve's surface to Eve's orbit, but it is possible to do it without Apollo style (I did this myself). Vehicle design You can refer to the Community Delta-V Map for the delta-V requirements, but the delta-V readouts will not replace a test flight! The Wiki says the following about rocket engines at low altitudes on Eve: However, I remember that this was already written on the wiki before the Making History DLC was released, so it could be possible that some engines from this DLC are also well-suited, but I haven't done further research in this direction. I decided to use the Vector engine because my vehicle quickly became quite big and therefore needed a lot of trust and the Vectors are more compact than the Mammoth. Just pick the one that suits your design the most. For more efficiency you should use asparagus staging. Feel free to put the capsule under a fairing. You can later attach a command pod at the bottom (on a decoupler) and use crew transfer instead of ladders. How to land your vehicle on Eve For landing, we'll need to add a few stuff. Place it on decouplers so that you can dump it before taking off again. RCS Build Aid can display what the touchdown speed will be with the current ammount of parachutes. This may be helpful. Since your design is probably quite big, you'll want to use 10 meter heat shields. You can also clip multiple of them into each other if one isn't big enough. Large heart shields at the bottom will probably cause your lander to flip around during reentry because they act like a very big parachute and force your ship to face prograde. This will lead to your ship being destroyed by reentry heating. You can compensate this by adding even more heat shields at the top of your vessel. These won't serve as heat shields but they'll stabilize the vessel during reentry. If you still have problems, you can try if a prograde reentry works better since you have heatshields on both prograde and retrograde side. You'll have to drop the heat shields before touchdown. You may have to experiment a bit until you find a way to safely separate them. Don't forget to attach the landing legs on decouplers too. Eject them at the moment you ignite the engines for takeoff and you should be fine.
  2. The Eve mission had been planned for months, but Jeb blew up most of the KSC's fuel tanks in a joyride test flight. However, the tiny Oscar B fuel tanks intended for probes survived. Now you must build an Eve lander that only uses Oscar B fuel tanks. Rules: A lander must land on Eve's surface and safely return a Kerbal to Kerbin. External command seats are allowed. The only fuel tanks allowed on the lander are Oscar B tanks. No srb's or monoprop tanks allowed on the lander. Oscar B fuel tanks are not required to transport the lander to Eve. See the scoring section for more info. Any engine is allowed except for srb's and monoprop engines on the lander. Yes, this means you can put a Mammoth engine under an Oscar B tank if you really want to. If you can, please attempt doing this without an ISRU. You must use at least 100% re-entry heating. No excessive part clipping. Multiple launches are allowed but please include them in your mission report. Any mods used must be listed in your mission report. Please include either a list of images (imgur album) or a video of your mission. Include the craft's mass etc. in the vab, launches, major burns, etc. I shouldn't need to say this, but no cheating/f12 for infinite fuel/hyperedit. Hyperedit is allowed for testing purposes but not in the final mission. Mods Allowed: Any informational mods (Kerbal Engineer Redux, Mechjeb, Trajectories, Nano Gagues, Transfer Window Planner, etc.) Any visual mods (Environmental Visual Enhancements, Scatterer, Planetshine, Distant Object, Various skyboxes, etc.) Certain miscellaneous mods (Chatterer, [X] Science, etc.) Mods Disallowed: Mods that add parts (except Kerbal Engineer Redux and Mechjeb) Mods that edit the physics, atmosphere, gravity, etc. Using cheat mods such as hyperedit during the mission. Be careful! Oscar B landers can have very high part counts! Scoring: You will be scored by the following levels: Level 1: Transport 1 or more Kerbals to Eve's surface and return the Kerbals to Kerbin. Oscar B tanks are only used on the lander. Non-Oscar B tanks are used in the launcher and transfer stage to get the lander to Eve. Level 2: Transport 1 or more Kerbals to Eve's surface and return the Kerbals to Kerbin. Oscar B tanks are used on the lander and on the transfer stage to get the lander to Eve. Level 3: Transport 1 or more Kerbals to Eve's surface and return the Kerbals to Kerbin. Oscar B tanks are used throughout the entire mission and no other fuel tanks are used. Level 4: Impress me! Expand on this challenge and do the seemingly impossible! Some examples: Extremely low mass/cost, unique design, or building an SSTO. (Building an Oscar B Eve SSTO is probably impossible but if you manage to do so you are amazing.) Leaderboards: Level 1: Level 2: @sevenperforce Level 3: Level 4: I would love to see your entries in the comments below!
  3. Today I fly an Eve lander that only uses Oscar B tanks! Here is my video:
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