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Found 156 results

  1. "The future of Kerbality is going to bifurcate in two directions: Either it's going to become multi-planetary, or it's going to remain confined to one planet and eventually there's going to be an extinction event." - Elon Kerman Duna Outpost Mission Architecture Challenge Those baleful words spoken by Elon Kerman at a recent event featuring his latest rocket design inspired the Kerbal Federation to fully support an effort to establish a continuously Kerballed outpost on Duna. In order to accomplish this goal, Elon Kerman has offered an unlimited supply of his company's latest heavy lifter, with some restrictions and requirements. The basic requirement is to land a minimum of 4 kerbals on Duna before Year 5, Day 1, and then to develop and implement the mission architecture for a permanently kerballed outpost on Duna before Year 10, Day 1. There is already one prototype of the heavy lifter on its way to the VAB and will be ready with payload for launch pad roll-out on Day 40. New lifters will be delivered on a regular, fixed schedule. Excitement is high for this endeavor but in order to keep hardware contractors satisfied, achieving certain mission objectives will benefit the campaign's public opinion and ensure the rocket supplier will continue to provide new lifters beyond Year 10 Day 1. Rules Launch Vehicle The lifter is of your design and must not vary throughout the challenge. This lifter is referred to as the Standard Launch Vehicle (SLV). All mission hardware and all fuel used for interplanetary transfers must be launched using the SLV. The only exception to this rule is for ferrying crew to Low Kerbin Orbit (LKO), which is defined as Apoapsis between 75km - 180km. Ready to launch lifters with installed payloads are prepared based on design and determined by Nominal Payload Mass (NPM). The NPM is the maximum payload that the SLV can deliver to LKO, without using any fuel of the payload itself. A payload may be used to perform final orbital insertion, but payloads cannot be deployed or activated until above 70km. Launch pad SLV roll-out rate is calculated as: NPM * 8 for non-reusable or NPM * 6 for reusable designs. For example, a reusable SLV with a NMP of 30t will have a 180 day delivery cycle. A non-reusable SLV with the same NMP will have a 240 day delivery cycle. In order to qualify as "reusable", recovered launch stages must have comprised of at least 50% of the vehicles original lift-off mass (including payload). Recovery of spent stages can be passive or active but must be demonstrated successfully at least once. There are no fuel transfers from the SLV to payload. Payload fairing is not part of payload mass, unless it leaves LKO. Any part that leaves LKO is NPM. Any type of shuttle can be used to deliver crew to LKO and there is no limit on how many crew shuttle missions can be launched, however only crew may be launched on these missions; no fuel or any other supplies may be transferred on crew launches. Habitation/Life Support Habitation: Any mission exceeding 10 days will require extra habitation space for the crew to work and maintain their senses. This means short trips like launches to LKO, trips between Duna's orbit and surface and brief excursions on Duna's surface do not require any extra space. However, trips between Kerbin and Duna will require extra habitation space for each crew member. Habitation space is modeled by providing one extra kerbal seat for each kerbal. For example, a long term mission with a crew of four will require a vessel with seats for eight kerbals. Life Support: Any mission exceeding 10 days will also require life support supplies. Life support supplies can be modeled with stock parts by using the Ore resource. If life support is modeled in this way, supplies (Ore) will need to be included in the SLV launches. None of the Ore that is designated as life support can be utilized for ISRU production and any Ore harvested for ISRU cannot be used as life support. Ore (life support mass) should be jettisoned as it is "consumed". Life support mass for each kerbal is calculated as: 0.04 Ore / day / kerbal. This means for a typical transfer from Kerbin to Duna with four crew will require 45 units of Ore as life support for the journey. Life support includes electrical needs. For stock, any module that lands on Duna or Ike require three days of power to survive the night if using solar power. This is modeled in stock by having a minimum of 2400 EC units on board or using fuel cell/PK-NUK generators with minimum output of 2.2 EC/minute. EVA limitation: The EVA suit has a maximum of one Kerbal day (6 hours) of life support. A Kerbal exceeding that is counted as a fatality. Alternately, any mainstream life support mod can be used to manage life support/EVA limits and electrical needs. For reference, the mass value for Ore equivalence and EC needs are based on "TAC Life Support" values. Mission end rules All SLV missions that are launched before Year 10 Day 1 count towards achievement points. As long as the SLV/payload is launched before Year 10, Day 1, it is part of the 'implement' step of the primary goal, but that mission must be successful in order to earn the achievement. (Note, there is a handy Duna transfer window on Year 10, Day 20). All Kerbals on the surface of Duna on Year 10, Day 1 must be returned to Kerbin (or be returnable) safely in order to earn their Mission Value points. ('Over-stressed crew' 4 year rule applies) You may "play it out" so that all kerbals are safely recovered, or demonstrate that they can be returned safely, but either way no kerbal may be stranded. Document your 'mission architecture' in a post describing the launch schedule beyond Year 10, Day 1 which will keep the outpost active. Other rules Any nuclear/NERVA engine that is launched cannot enter either Kerbin's or Duna's atmosphere at any time once it has been activated. This means that any vessel with a nuclear engine that has been activated cannot aerobrake or land/disposed of at either Duna or Kerbin. Nuclear propulsion modules are required to use propulsive or gravity assist captures at Duna and Kerbin. (Kerbals are already green enough.) The continuously Kerballed outpost requires a minimum of two kerbals on Duna at all times after the initial landing of four kerbals. If a Kerbal is left at the outpost alone (for any reason) for more than 10 days, they suffer 'Over-stressed crew' penalty. A Kerbal may be left alone at the Outpost without suffering from "Over-stressed crew" penalty, as long as there is another Kerbal within driving distance. This rule can be ignored once "Contingency Plans" is achieved. The outpost may be comprised of one or more modules and may be located anywhere on Duna's surface. Not all modules need to be occupied, but there must always be at least one kerbal on Duna after the initial landing. ISRU can be used on Minmus, Duna or Ike or with asteroids. All ISRU missions must be part of the SLV launch schedule. Any balanced mod is acceptable. Please list all part/gameplay mods used. Game difficulty settings: 'Enable Comm Network' ON, 'Re-entry heating' 100%. Advanced settings: 'Part pressure limits' ON, 'Part g-force limits' ON, 'Kerbal g-force limits' ON. External Command Seats do not count towards habitation space and cannot be used for landing or launching on Duna/Ike or for interplanetary transfers. Rescue/contingency missions may ignore this rule, but any crew utilizing a command seat to land on or launch from Duna/Ike will void their score for Mission Value. Over-stressed crew penalty: Crew member resigned from KSC due to stress. Any crew receiving this will suffer a 50% Mission Value penalty. If you look carefully on the EVA suit label, it has the warning "Must be not be used for atmospheric flight!". If a Kerbal is subjected to atmospheric flight (excluding EVA thrusters, jumps, etc.), they suffer 'Over-stressed crew' penalty. Vacuum-only use is fine. Any kerbal fatality for any reason will void that kerbal's Mission Value score. Extraplanetary Launchpad and other extra-Kerbin / orbital construction mods are prohibited. All parts and spacecraft must be launched from Kerbin. Stock alternate launch sites are permitted. "Basic rover": A rover that utilizes external command seat(s). "Pressurized rover": A rover that uses crewed module parts for crew quarters. "Contingency Plans": Complete achievements "Backup plan", "Duna Space Station", "Duna Space Bus", and "Positive uplink". Note that the spacecraft for each achievement must be unique, or for modular designs must remain viable, at all times. Primary Scoring Mission Value: Based on how many Kerbal-days spent on Duna before Year 10 Day 1 (eg. two kerbals on Duna for 100 days equals 200 kerbal days on Duna). Calculated as: ("Kerbal days on Duna before Year 5 Day 1" * 2 ) + "Kerbal Days on Duna from Year 5 Day 1 until Year 10 Day 1". Four-year rule: Crew members need to be recovered on Kerbin within 4 years of being launched or receive the 'Over-stressed crew' penalty. This rule can be ignored once "Contingency Plans" is achieved. Mission Efficiency: Based on how much Mission Value can be earned per launch. Calculated as: Mission Value / total NMP value of all launches. Note, this is not the accumulated payload mass of all launches but simply the NMP of the SLV * number of launches before Year 10 Day 1. Achievement Scoring Note that the spacecraft for each achievement must be unique, or for modular designs must remain viable, at all times. Crew safety (add all that apply): Interplanetary expertise: All crewed interplanetary missions have at least two crew on board. (+1) Backup plan: Duna outpost has a backup ascent system to return all kerbals to Duna orbit separate from the primary Duna ascent module. (+2) Emergency Evac: if the 'Backup plan' ascent system is utilized with any kerbal on board. (+3) *Note any kerbal(s) on board during the Emergency Evac will suffer the 'Over-stressed crew penalty'. Mission robustness (add all that apply): Duna Space Station: Place a space station in orbit around Duna. The space station must have room for minimum of 3 kerbals (Habitation rule applies). (+1) Duna space bus: Deliver a fully reusable shuttle service to Duna that can ferry at least four crew between Duna's surface and Ike's surface (refueling permitted). (+2) *Provided missions do not exceed 10 days, 'Habitation space' rule does not apply. Deep space transit: Implement a fully reusable crew transfer vehicle that can complete a Kerbin <-> Duna round trip without refueling (either direction). Must be capable of carrying a minimum of 4 crew. (+3) Science value (add all that apply): Deep space laboratory: Duna outpost must include at least one Science Lab module. If 'Duna Space Station' is scored, it must also include a Science Lab module. (+1) Early mission prestige: Safely return at least two kerbals to Kerbin's surface from a Duna mission before Year 5 Day 1. At least one of the crew members must have walked on either Ike or Duna and return a surface sample with them. (+2) Biome diversity: Return surface samples from at least five of Duna's biomes. (+3) *This can be done all at once or separate. If scored, "Early Mission Prestige" sample does not counts toward the five. Advanced mission objectives (add all that apply): Kerbin space station: Using SLV launch(es), place a space station in orbit around Kerbin. The station must support at least 4 kerbals and may be used as a staging platform for crew to and from Duna, although not required. (+1) Positive uplink: Place a minimum of three relay satellites in orbit around Duna and one around Ike. One of the Duna satellites must be in polar orbit. This also requires Advanced game setting 'Require Signal for Control' ON. (+2) Advanced deep space transit: If 'Deep space transit' is scored, it must support a minimum of 5 kerbals and refuel only in Duna SOI (travels from Duna -> Kerbin -> Duna without refueling) (+3) Surface Mobility (add all that apply): At least 50% of the Duna crew have access to a seat in a Basic Rover during their outpost surface mission. (+1) Every crew member has access to a Pressurized Rover seat. (+2) The outpost is land-mobile/Pressurized Rover (Habitation rule applies). (+3) Negative Publicity (add all that apply): "Can we do this?" Less than four crew land on Duna before Year 5 Day 1. (-1) "We will never forget them.." For every kerbal fatality for any reason (-1) each to max of (-5) "Perhaps we should make cookware instead" More than 5 kerbals are lost (deduct ALL but 1 Achievement point) Outpost Success Rating You have taken on a mammoth undertaking and have earned your retirement on the Duna outpost! Adding all Achievement points: 29-30: The outpost delighted the Federation with your exceptional achievement. Your retirement will be luxurious! 26-28: The outpost succeeded...extremely well. You can now retire in elegant estates! 24-27: The outpost succeeded. The Federation is pleased by your efforts. You will live comfortably! 19-23: The outpost was a success. You have met the minimum standards set by the Federation, but your life will not be easy! 14-18: The outpost survived...barely. You will be living in tents. Few supply ships will come your way! 8-13: The outpost failed...The Federation will no longer send supply ships. You are on your own! 1-7: The outpost failed...dismally. The Federation debtors' prison is your new home! "You need to live in a dome initially, but over time you could kerraform Duna ... So it's a fixer-upper of a planet." - Elon Kerman Helpful info and links: Thanks to @Mad Rocket Scientist for this planning spreadsheet. Plug in your SLV's NPM and watch the magic! Thanks to @michal.don for developing these great timelines (.PDF) which present easy to read launch window and transit information. The Alex Moon Launch Window Planner which uses an advanced model of the solar system to produce pork-chop plots. (Mmmm.. pork chops). There are 4 Hohmann transfer windows before Year 10 Day 1. Some notes on this challenge.. This is inspired by and is largely based on this challenge, now long retired. Similar success can be achieved by using larger or smaller NPM lifter designs. It's all about mission execution.. In order to earn maximum Achievement points, sacrifices to Mission Value will be made. Overall leaderboard ranking based on: Achievement score * Mission Efficiency or something similar (may include a balance modifier). "But my SLV is 100% reusable with rapid turn around." It still takes time to build the payload and install it. A reusable SLV with NMP of 65t will have 9 launches. A reusable SLV with NMP of 30t will have 21 launches. There are benefits to using a life support mod over simulating with Ore. For example, they include build aids in the VAB/SPH for determining LS needs. Many also include recyclers, purifiers and greenhouses. If used carefully, these may provide an edge in Mission Value. Mission Report Threads: @michal.don : My take on the "Duna Outpost Mission Architecture" challenge @Kerbolitto : Duna Outpost Mission Architecture, Kerbolitto's stuff @dire : DOMA Arigato, Duna! Completed Entries:
  2. In case you haven't heard yet, NASA recently landed its InSight probe on Mars to study its interior. Tagging along behind are two CubeSats intended to record InSight during its landing sequence, and to act as a relay while the already-in-place Mars Reconnaissance Orbiter is out of position. So, onto the challenge! This is my first time running one, so please let me know if anything seems unclear or whatever. Leaderboard Stock Parts Modded Rank 1 @Xurkitree 57 points (bonuses: +20 for lowest mass [2345 kg], +20 for lowest cost [24,775], +7 for science) @PrvDancer85 10 points (console) Rank 2 @Ultimate Steve 30 points Rank 3 @Will-ferret 106 points (console) (bonuses: +1 for Ike flyby, +45 for full mission recovery) @The Aziz 60 points Rank 4 Allowed Mods And Other Rules Your submission should include screenshots or video demonstrating each important phase (launch, transfers, landing, science transmission, flybys, etc.). For Rank 2 and up, you must use CommNet at the default settings. Part of the challenge at higher ranks is to demonstrate the ability to build a network. Note that at Rank 1, you still need an antenna capable of transmitting science data back to Kerbin, even if CommNet is disabled. Please note whether your entry uses stock or modded parts. No FTL or other super advanced or exploit-based propulsion (kraken drives etc.). No HyperEdit or other cheats for anything related to scoring (ok for testing or additional infrastructure unrelated to mission objectives). Autopilot and other flight assistant mods (MechJeb, Throttle Controlled Avionics, etc.) are ok, but it must be possible to fly all craft manually. The intentionally terrible VTOL craft in the TCA intro video would not be allowed, for instance. Planet packs should not alter the stock planets' parameters, for scoring purposes. If you are really enthusiastic about GPP or whatever, maybe we can work something out, but I'm not really familiar with those. Other mods allowed, as long as it's not too outlandish. No refueling. ISRU is allowed if you are attempting some sort of Jeb madness (see below). If you are playing for bonus science points, you may not use labs, contracts, difficulty settings, or other means to multiply the science gathered. Only default points from experiment + body + situation count. Primary Objective (Rank 1) Build an unmanned lander capable of reaching Duna's surface. The lander must include a thermometer, seismic accelerometer, and negative gravioli detector. It must also include sufficient solar panels and antennas to transmit its data back to Kerbin. The lander must be launched into LKO with a rocket, and then use a transfer stage to get to Duna. Secondary Objective (Rank 2) As above, with the following changes. The lander only needs enough antenna power to reach Duna orbit. Build two identical mini-satellites, with sufficient relay antennas and solar power to extend the comm network to the landing site. These mini-sats must be launched together with the lander, as a single payload. Once reaching LKO, the lander and mini-sats must all travel independently to Duna. The mini-sats' trajectories should be arranged such that they perform a flyby of Duna at the correct time and place for the lander to transmit its initial data to one or both satellites. Bonus Objectives (Rank 3) Ahead of the main mission, launch a Duna Reconnaissance Orbiter satellite. It must be launched via rocket and reach Duna orbit ahead of the lander, and have sufficient solar power and relay antennas to extend the comm network to the landing site. It must also carry one or more experiments suitable for unmanned orbital science (your choice). Extend the mission of the two mini-sats. Put experiments on them and collect more science, and/or flyby additional bodies. Jeb's Objectives (Rank 4) Do something insane. Build a Duna colony, send 100 kerbals, use an SSTA, I dunno. Impress me. But whatever you do, you may not use any additional launches; you have to piggyback on the main mission launch or the DRO launch. Additional Objectives (Unranked) Retrieve the lander and/or mini-sats at the end of the mission. They can return under their own power, or you can launch a recovery mission, at your discretion. Compete on science, mass, cost, and dV usage. See the scoring list for details. Scoring Most scores are based solely on the entry's individual performance. Some are competitive scores, and can only be earned by one entry per category. These will be marked. +10 points for Primary Objective +20 points for Secondary Objective +30 points for DRO objective +40 points for each feat of awesome insanity successfully completed (involvement of Jeb optional but recommended) +10 points for tiebreakers in case of similar feats from separate entries (competitive, granted up to one entry per similar feat) For additional flybys of mini-sats, after reaching Duna (scores loosely based on flyby dV as calculated by Alex Moon's Launch Window Planner) +1 point for Ike +7 points for Mun or Minmus (+8 for both) +9 points for Dres +11 points for Eve +1 point for Gilly +14 points for Jool +5 points per each Joolian moon +15 points for Eeloo +20 points for Moho Additional Bonus Scoring +15 points for safe retrieval of lander on Kerbin +15 points for safe retrieval of mini-sat on Kerbin (+30 for both) +(total science gathered / 20) points (please include a screenshot of starting and ending science points) +(20 * highest rank attained) points for lowest total launch mass (competitive, granted to one entry per category) +(20 * highest rank attained) points for lowest total mission cost (competitive, granted to one entry per category) +(20 * highest rank attained) points for lowest total mission dV used (please include screenshots of KER, MechJeb, or similar to demonstrate dV used) (competitive, granted to one entry per category) Badges full size:
  3. I am doing one of the explore Duna contracts, one of the criteria is that I 'Enter the atmosphere of Duna'. I have landed my probe now on Duna and It is still unchecked.
  4. When i accelerate to escape kerbins influence it accidently drops my orbit further than the orbit of Dres. Please help, i need to quickly transport a rover to Duna
  5. Scarecrow

    Duna ship with rovers

    This ship is designed for Duna exploration. The lander has two rovers for exploring the surface. Fuel in each stage is generous for the tasks each stage is designed for. Craft download and flight profile notes can be found at KerbalX
  6. For The Longest Time , I've Always Thought That Ike Has Been Too Unrealistic , Because The Size And That Its The Only Moon , So I Moved It To Eve , And Moved Bop And Gilly To Orbit Duna . Images: Imgur Download: SpaceDock To Save You Time , I Included All The Needed Files In The Zip File. Installation: Drag All The Inculded Files Into Your GameDataFolder, Of You Already Have Kopernicus Installed , Replace It. That's It!
  7. _Rade

    Dunasoar

    Dunasoar is a twin engine airplane designed for Duna exploration. It can transport 5 kerbals, or it can be easily modified to run science gathering missions. Max speed is about 175 m/s. Plane uses modified version of my fairing prop engines powered by fuel cells, but if you don't like using the fuel cells you can replace them with RTG's. These engines are little bit bulkier than my usual fairing prop engines. But the best part about them is that I've finally managed to create a reliable mechanism, which uses the claw inside the engine nacelle, to re-dock the propeller to the plane. That way the plane can be used multiple times, and you don't have to worry about the engines falling apart if you leave physics range. Finally you can make a plane which you can use to explore all biomes on Duna or Eve. As usual when flying a plane on Duna trickiest parts are takeoff and landing so choose your landing area carefully. Here is a link to the craft file and instructions on how to fly plane.
  8. Hey there, This will be the thread linked to my attempt at @Death Engineering challenge, which is a reboot from @sturmstiger The objective is to set an permanent outpost on Duna, complete a dozen of achievements and take into consideration a lot of requirements (minimum weight, habitat confort, shuttles..). It is challenge which, just like Constellation's challenge, asks for a lot of planning and forward thinking with design. Just like @michal.don, I'll post here so the main thread would not be flooded under tons of pictures and various reports. Questions, feedbacks, remarks are well appreciated The first task is to designed a Standard Launch Vehicle (SLV) to carry a Nominal Payload Mass (NPM) into 180*180 orbit maximum. Reusability and NPM will determine how often it is possible to launch a new payload so it is very important to plan everything according to Duna's transfer windows. I settled on a 87.5t. NPM which will allow me to launch 6 times before year 10 with a tiny margin. VEHICLES : SLV S4 15-3 This is the mighty SuperFour 15 nozzles under 3 bottles, which is a reusable SSTO rocket, a modified version of a 150t. lifter which is now able to put 87.5t. into 180*180 and land safely. It's easy to fly, has a huge 5m. fairing, requires only 43 parts and is very stable thanks to Vector's gimball. SLV 01 : Duna's Outpost Vermillion's Seeker SLV 02 : Kerbin Space Station, ISRU 2-g, more nuke pods SLV 03 : DunaSpaceStation, Outpost extension and 5 new ships ! SLV 04 : Habitat extensions, heavy rover, WoldhoundPod, tank and KERHS prototype Space Stations Kerbin Space Station Duna Space Station Habitats Shuttle systems DunaSpaceBus DeepSpaceTransit Evac vehicle Various Pods Dart-tugs Nuke Pods Heavy ISRU Rovers The world famous RoboTug Life Support SCORE : THREAD IN PROGRESS
  9. Due to a major financial scandal, Kerbin's main supplier of prop engines can no longer deliver. The timing could not be worse as KSP is launching a new Duna programme, with a focus on exploratory aircraft that can deliver good science. Plans are afoot for serious fuel mining and processing infrastructure, but this is still costly in time and resources. Creating multiple fuel stations around the planet is not viable at this time. They need an aircraft with range. The challenge: Build an aircraft for Duna, and fly it as far as you can with the fuel you are carrying. The winner is the one who flies the farthest. The only rules are: 1. It must be rocket powered. No props or Kethane-powered mod jets . 2. It must carry a Mobile Processing Lab. 3. It must not go into orbit. Ceiling is 16,000 meters. 4. No drop tanks. Too expensive to replace and/or recover. 5. It must be a real plane, meaning it has lift and could take off and land multiple times. 6. Mods are fine, but the engines must be stock. Details: Cheat or Mission Builder yourself to any location on Duna. Fly your plane as far as you can, and when you land, hit F3 to show your total distance traveled. Any mods (other than mod engines) are fine except infinite fuel or anything that breaks the spirit of the challenge. Mods and stock parts will be two different categories. A plane is considered stock if it has no modded parts. Non-parts mods have no bearing on that. Your plane can be as big or small as you want it. It can have tons of stability enhancements or none at all. It can be piloted or probe cored, but you must have a full science crew in the lab. I suppose a really keen person could build a flying fuel processor and go forever (and serious kudos if they do), but the spirit of the challenge is single flight range and that is what you will be judged on. This idea came about while I was tooling around in Mission Builder, modifying a plane I built for Kerbin to see what I could do. I got a fair distance (well, for me, anyway) and I thought it would be cool to see how others solve this problem. Partly this is selfish; I want to learn from you all :-) On my to-do list for work is to get upskilled in Adobe Illustrator. It may take a bit, but I will create a badge for this challenge. My first attempt with the lab. Okay, but needs a lot of R&D.
  10. planet-creations

    Some Works of the Celestial Bodies I Made

    So I decided to make some arts using PlanetMaker, which is a useful tool to create planet ideas, real planets, simulated planets, and even imaginary planets. I unfortunately can't show the results because the freaking thing won't let me for some reason. But hey, at least I can prove that links will work! Laythe Kerbin Mun Duna Eve Kerbol Water World Enjoy
  11. So I have sent some probes to Jool and Duna, but I was wondering if anybody has some tips on getting Kerbals back from Duna, which I am going to try first. Whenever I get there, I never seem to have enough fuel to get back to Kerbin. I sent a probe Rover to Duna that I successfully landed, but there was no hope of getting back with the fuel and dV I had left. Any tips on making ships more efficient? Thanks!
  12. GarrisonChisholm

    The Duna Enterprise - Dialogue

    Preamble. Good morning all. I have an idea for a collaborative story, a format that has worked on another game forum I spend some time on, and I am curious what those who value "story" here would think about it. The general premise is that "my" KSP is ready to attempt a manned (balled? no, can't do it) Duna flight, but that some major decisions need to be made about the program and a "proceed" call made. It strikes me as a moment in my game's history when some artistic drama could occur. So what I am asking here is if anyone would be interested in participating. What I envision is writing up a "history" of things to get the story to this point, then lay-out the present situation by having a main character (probably Gene) give a presentation and then open the floor for discussion. Other writers would then "introduce" their characters at the meeting, and we would all weigh in on the topic and debate. Eventually the meeting would conclude, and I would then "pay-off" everyone's participation by chronicling the ensuing mission(s). At this point I am only proposing this as a possible story- it will depend both on feedback and health (a faint concern), but at the moment I feel highly inclined to proceed. First post would probably be next week. So, would anyone be interested? (For what its worth, the following event occured in the same game, and would be part of the discussion's history;)
  13. I am doing a manned mission to Duna and back. I have only one mod installed, which is Kerbal Alarm Clock. Here is my problem: when I am looking out into space from Duna orbit, FPS is excellent. When I look at Duna's surface, FPS crashes down to about 3 FPS. Here are my graphics settings: My "Max Physics Delta-Time per Frame" is 0.04; I have tried lowering it to 0.03 and even tried 0.12, and all attempts have resulted in no improvement. My computer specs: CPU: Intel i3-3120M (4 cores, 2.5 GHz) Integrated graphics (Intel HD 4000) 6 GB RAM OS: Xubuntu 18.04 (Linux) I have tried launching the 64 bit version of KSP, which resulted in the same amount of lag. I have also tried lowering the texture quality to 1/8. Moreover, I have tried disabling V-Sync and setting the pixel light count to 0. The game has been reinstalled, to no avail. Furthermore, I have noticed that CPU usage decreases when I look at Duna, which makes absolutely no sense at all, considering the extreme lag. Is there anything else I can do to get rid of this horrendous lag? It is difficult to land and takeoff with the lag. Thanks for any help!
  14. https://www.quora.com/unanswered/I-wonder-what-is-the-reference-system-in-relation-to-the-Martian-landscape-and-more-precisely-the-mountains-on-the-surface-of-this-planet-Mars https://answers.yahoo.com/question/index?qid=20180511212254AAZg1O2
  15. Hey guys. I'm trying to plan a mission to Duna. Launch would be around day 26. Alex Moon's calculator states ejection angle 24 to prograde, delta V of 2002 m/s at phase angle of 124.11degrees. Yet when i set up a node with those parameters, I don't even get a close approach. Any advice is welcome.
  16. Hello fellow Kerbalnauts, I'm playing on the PS4 so sadly no mods to help me calculate things for my problem. No more So I'm constructing a massive Duna ship ( think Discovery from 2001) It is being built in a 90 orbit of Kerbin. The total dry mass of the craft is 70 tons. 55.2 m in length I'm planning on using nuclear engines to power it. My question is how much fuel do I need, to leave LKO and get to Duna ( planning launch during Duna Kerban close approach) My craft has currently 3 empty Kerbodyne 7200 1 Kerbodyne 3600 and a Rockmax X200-16, all empty. Please let me know how I achieve my goal. Cheers, Gus Grizzom
  17. Ol’ Musky Boi

    Landing spaceplanes on Duna.

    So in preparation for a laythe space plane mission, I decided to fly 2 Kerbals to Duna and back as practice. Cos’ I’ve never really flown space planes before you see. Anyways I’ve been trying to land the damned thing for an hour now and Its 1:20am, but I can’t seem to make my approach any slower than 200m/s. I did bring drouge chutes, but I foolishy positioned them at the back of the plane, so deploying them causes me to nosedive. Thinking about it now, I may need to pump some fuel further back, because my plane might have became front heavy after I completed my transfer burn. But screw it, I’m going to bed now. If you have any advice it would be appreciated.
  18. DADV-1. (Ver 1.1) 4 seat Duna Ascent & Descent Vehicle. Can be used in conjuction with the DBC01(Duna Base Camp) space station to land to the surface of Duna and return to orbit, refuel and repeat. Features a habitation module and a science lab. It is recomended you use the HOYO docking port which fits the DADV nose cone. Find it here. Included is a decoupler that can be used to attach the ship to the AresV LonesomeRobots rocket so you can put the ship to orbit and send it to Duna. Find it here. Alternatively it will fit any 7.75m rocket. For the IVA players, in order for the huge helmets to fit the interior, the default pilot/co pilot views are pretty low. If you want a better view click on the front windows. Same applies for the Habitation module views. I tried several approaches to emulate the elevator but nothing worked. If anyone has any suggestions please PM me and i will credit you for your help. Please suggest any improvements you may have in mind for the mod. This mod comes bundled with dependencies. Module Manager, TexturesUnlimited (For Reflections), RasterPropMonitor (For functional interior), KSPWheel (For the landing legs. It is absolutely needed for the landing legs to work.), ASET Props 1.5 & ASET Avionics 2.1, TDProps 1.1.1. INSTALLATION Be careful, this mod comes bundled with the latest version of ASET Props (1.5) & ASET Avionics (2.1). Delete these mods if you have older versions before installing this mod. Unzip and merge with your GameData folder. The folder GameData/LonesomeRobots from the zip must be merged with, not replace, any existing GameData/LonesomeRobots folder. DOWNLOAD https://spacedock.info/mod/1602/DADV-1. LonesomeRobots Aerospace .craft files for all LRAERO ships can be found here . These are saved from KSP 1.3.1. Licensing. This mod is licensed under: Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International Public License Redistributed with this mod. RasterPropMonitor created by Mihara & MOARdV. Redistributed as per license. TexturesUnlimited created by Shadowmage. Redistributed as per license. ModuleManager created by Sarbian. Redistributed as per license. KSPWheel created by Shadowmage. Redistributed as per license. ASET Props 1.5 & ASET Avionics 2.1 created by Alexustas. Redistributed as per license. TDProps 1.1.1 created by TiktaalikDreaming. Redistributed as per license. ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ DADV-1. (Ver 1.0) 4 seat Duna Ascent & Descent Vehicle. Can be used in conjuction with a space station to land to the surface of Duna and return to orbit, refuel and repeat. DBC01 (Duna Base Camp) space station is in the works and will be the next release. Features a habitation module and a science lab. It is recomended you use the HOYO docking port which fits the DADV nose cone. Find it here. Included is a decoupler that can be used to attach the ship to the AresV LonesomeRobots rocket so you can put the ship to orbit and send it to Duna. Find it here. Alternatively it will fit any 7.75m rocket. For the IVA players, in order for the huge helmets to fit the interior, the default pilot/co pilot views are pretty low. If you want a better view click on the front windows. Same applies for the Habitation module views. I tried several approaches to emulate the elevator but nothing worked. If anyone has any suggestions please PM me and i will credit you for your help. Please suggest any improvements you may have in mind for the mod. This mod comes bundled with dependencies. Module Manager, TextureReplacer (For Reflections), RasterPropMonitor (For functional interior), KSPWheel (For the landing legs. It is absolutely needed for the landing legs to work.), ASET Props 1.5 & ASET Avionics 2.1, TDProps 1.1. INSTALLATION Be careful, this mod comes bundled with the latest version of ASET Props (1.5) & ASET Avionics (2.1). Delete these mods if you have older versions before installing this mod. Unzip and merge with your GameData folder. The folder GameData/LonesomeRobots from the zip must be merged with, not replace, any existing GameData/LonesomeRobots folder. DOWNLOAD https://spacedock.info/mod/1602/DADV-1. LonesomeRobots Aerospace .craft files for all LRAERO ships can be found here . These are saved from KSP 1.3.1. Licensing. This mod is licensed under: Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International Public License Redistributed with this mod. RasterPropMonitor created by Mihara & MOARdV. Redistributed as per license. TextureReplacer created by ducakar. Redistributed as per license. ModuleManager created by Sarbian. Redistributed as per license. KSPWheel created by Shadowmage. Redistributed as per license. ASET Props 1.5 & ASET Avionics 2.1 created by Alexustas. Redistributed as per license. TDProps 1.1 created by TiktaalikDreaming. Redistributed as per license. Screenshots Cockpit Habitation module Science lab and airlock
  19. Brief This thread will tell the tale of the brave four kerbals that traveled to Duna with kerbalism. The Kerbal Space Agency has mastered the Kerbin system and with regular flights to Mercury Station in LKO and Atlantis Base on the Mun the time is right to go out in the great void and travel to the red planet. Will they make it? or will they die in the process? So far only one kerbal died on the moon when the fission reactor of the Atlas 4 roving lab collided with the terrain, but there were many near misses. Time will tell if they are prepared enough. I will update during the mission and it will be picture heavy. Contents 1.) The dawn of the Odyssey 2.) Some assembly required 3.) Arrival and farewell presents 4.) The chosen ones 5.) The bucket of bolts 6.) The Magic Carpet Ride 7.) Return of the Falcon and the great silence 8.) The Great Abyss 9.) The kiss of the Dunatian 10.) The ride of the stung bull 11.) First flags 12.) The face of Duna 13.) Snowstorms 14.) A sparkle in the sky 15.) Household chores 16.) Flight of the red dragon 17.) The unexpected detour 18.) A hike on Ike 19.) Up, up and away 20.) The return 21.) Epilogue
  20. So in my Sandbox I have been to the Mun and Minmus. Now I want to get to Duna, but there are so many ways, Like an Orion/Apollo style, The Martian style with a mothership, A simple giant rocket, etc. What is the Most efficient way? Or the Easiest?
  21. I have a rocket that I want to show and ask about, but I can't get the attachment onto here. How do I upload the photo without using other sites?
  22. Duna presents particular challenges for spaceplane design. The low gravity and thin atmosphere means that you need big wings, but once you have them, you tend to keep going forward until you drift down low enough and smack into a dune. In other words, landing can be a nerve-wracking process and it is hard to do it at all precisely. Similarly, take-off can be very dangerous as you need to build up a significant amount of speed to have enough lift to un-stick, and sufficiently flat areas for this aren't easy to find. The Brikoleur Aerospace Kombine (BAK) Zephyr solves this problem with full (Duna) VTOL capability. It carries a full science payload, a retractable solar panel for orbital use, and has reasonable crew capacity. On-surface refuelling requires the Klaw; it has an inline docking port for in-orbit refuelling. If precise positioning is not important, it's easiest and cheapest to make rocket-assisted short landings, where your hover rockets provide the lift your forward velocity doesn't. The same applies to take-offs. Craft: https://kerbalx.com/Brikoleur/Zephyr NOTE: Since the Zephyr is optimised for Duna, it is not able to even take off from Kerbin under its own power. If you want to play with it at KSC, replace the Terriers with Darts. It won't have the dV to reach orbit, but you should be able to land on the heliport at the top of the VAB. Atmospheric entry and flight to destination Set your Pe to around 10,000 m above the destination. Enter at a moderate pitch, ca. 30 degrees, and once Pe reaches the surface, control your precise landing spot with pitch (steeper = slower). Aim for a spot a few km before the target. Approach When approaching your target, slow down by making S curves or holding a steep pitch and climbing. Maintain a nose-up attitude, lower gear (which also opens the hover thruster bays), shut down the forward jets (Action 1), and start the hover jets (Action 2). You should be able to get to about 100 m/s while maintaining normal aerodynamic flight. Short landing Maintain a nose-up attitude (10-20 degrees) and gradually apply throttle to control your descent rate. Once you're down to a safe touchdown speed (recommended 40 m/s or less), lower throttle, touch down, and brake to a halt. Hover and vertical landing Pitch up sharply and apply throttle to the hover jets to kill your horizontal speed, activate RCS. Use RCS retrograde if necessary. Then switch control to up (Action 9), level out (use SAS Surface/Radial Out if necessary), control your altitude/descent rate with throttle and your horizontal vector with RCS; to move forward toggle the main jets on and off briefly (Action 1). Lower yourself to the surface by controlling throttle. Short take-off Activate both forward and hover thrusters (Action 1, Action 2), switch on RCS, apply full throttle, and pull up. Once you have enough forward speed, kill the hover thrusters (Action 2), retract gear and close the hover thruster bays, and fly yourself to orbit. Vertical take-off Activate hover thrusters (Action 2), set control point to up (Action 9), SAS to Surface/Radial out, RCS on. Then apply throttle to lift yourself off the surface. When at a sufficient altitude, activate forward thrusters (Action 1). When you have built sufficient speed, set SAS to normal mode, control forward (Action 8), RCS off, deactivate hover thrusters (Action 2), raise gear and close bays, and you're off.
  23. Hi guys, So, I got my Kerbals to Duna, landed on it but since I'm not a huge pro, I used up all my fuel getting there, and now I have no chance of getting back up into orbit around Duna. I am entertaining the idea of not giving up on them, and since their lander has a docking port on the top, I was entertaining the idea of picking the craft up with another craft (docking essentially) and pulling them out into orbit. Would this be realistic and doable? Cheers
  24. The Red Planet has captured the imaginations of space pioneers ever since the first days of high-powered rocketry. There's a long and auspicious list of proposed Mars missions, dating all the way back to Werner Von Braun's wildly optimistic plan to use over 400 launches to construct a massive artificial-gravity space station for Mars colonization transport. Any of us who have played KSP for a while can probably put a single-launch mission of arbitrary size on Duna easily enough, because Moar Boosters. However, the real world doesn't work like that. You can't just add more boosters; typically, mission planners have to work within the capabilities of existing (or planned) launch vehicles, which can only throw a certain amount of mass into orbit at once. As a result, most of the proposed Mars mission plans involved some degree of in-orbit assembly. The challenge is to design and execute a flags-and-footprints Mars mission with the lowest-massing payload per launch. You can assemble your mission using up to five separate launches; the goal is to make each of those orbital payloads as small as possible. There is no bonus for using fewer than five launches. For example, if you use four orbital payloads massing 8 tonnes, 12 tonnes, 6 tonnes, and 9 tonnes, then your score is 12 tonnes. If you use three orbital payloads massing 4 tonnes, 7 tonnes, and 14 tonnes, then your score is 14 tonnes, even though you did it in fewer launches with lower total mass. Obviously, lowest score wins. Thus, the incentive is to make all the launches roughly the same size in order to maximize the amount of mass you get into orbit while minimizing the size of any one launch, just like real-life mission planning requires you to work within the payload capacities of existing launch vehicles. This will require clever planning, so think ahead! A few rules to keep things more true-to-life: You can use whatever mission architecture you want, but it needs to have at least three Kerbals delivered to Duna orbit and at least two delivered to the surface. Crew must be sent up in the final launch from Kerbin. The transfer and lander (or whatever you use) must have actual crew space. It's fine to use command seats for rovers or for a separately-landed ascent vehicle. On-orbit payload is anything that goes with you toward Duna. If your upper stage is jettisoned after reaching LKO, then it's part of your launch vehicle, not your payload. If you refuel the upper stage to use for your transfer burn, then it's part of your payload. Assembly in LKO means assembly between 70 and 200 km. No ions except for unmanned probes, and then only for orbital adjustments (e.g., no spiraling out over the course of months). If you want to use nukes, you can do so, but only before leaving Kerbin's SOI. NERVAs can't be reliably restarted after a long period of time. ISRU can be used, but with some restrictions: Astronauts can't wait forever for ISRU, so if you manufacture your own fuel and oxidizer, you'll need to send an unmanned ISRU unit ahead of time. If you bring your own liquid fuel and only want to manufacture oxidizer, it's fine to have the ISRU unit on the manned lander (it's considered feasible to do this for Mars missions since cracking LOX out of the Martian atmosphere is straightforward). If you take this route, you can turn on infinite fuel when you activate your Convert-O-Tron (no need to use a drill). If the ascent vehicle lands on Duna separately from the landing craft, then you must bring a rover or other vehicle to take your crew from the lander to the ascent vehicle; no hundred-mile treks. You can earn bonuses to improve your score: On Tongues of Fire. Use no chutes; propulsive landings on both Duna and Kerbin. 10% decrease in highest payload mass. Conflicts with Wing It. Wing It. Winged, rolling landings on Duna and Kerbin. 5% decrease in highest payload mass. Conflicts with On Tongues of Fire. Old School. No nukes or ions. 3% decrease in highest payload mass. Brute Force. Assemble a Direct Ascent vehicle in LKO; no ISRU, no propellant transfer, no Duna orbit rendezvous. 12% decrease in highest payload mass. Conflicts with Loop the Loop & Justin Case. Slow Climb. Put ladders on your vehicles, if necessary, so you don't have to jetpack around on the Duna surface. 4% decrease in highest payload mass. Elon Style. Make the whole system fully reusable without using nukes, ions, or airbreathers. 25% decrease in highest payload mass. Conflicts with Justin Case & A Solid Plan. Stayin' Alive. Bring extra living space (at least one extra seat per Kerbal) for the transfer to and from Duna. 18% decrease in highest payload mass. Loop The Loop. Make your transfer vehicle a fully-reusable solution that can brake back into Kerbin orbit and be used again for the next trip. 15% decrease in highest payload mass. Conflicts with Brute Force. Consistency, Good Sir. Make all of your launches with the exact same launch vehicle. 6% decrease in highest payload mass. Justin Case. (NEW) Provide your crew with a separately-landed ascent vehicle as a reliable way to get off Duna (inspired by The Martian). 18% decrease in highest payload mass. Conflicts with Brute Force & Elon Style. A Solid Plan. (NEW) Make the Duna Ascent Vehicle (whether separately-landed or not) solid-fueled to orbit. 9% decrease in highest payload mass. Conflicts with Elon Style. They See Me Rollin'. (NEW) Bring a rover for your crew to get around Duna. 15% decrease in highest payload mass. If you find you need more than five launches, that's fine, but you'll have to assess a 15% penalty for each additional launch to represent the added real-life cost of adding an additional launch contract. There is not, however, a bonus for doing it in fewer than five launches. No part mods for the actual Duna package, although you can use part mods for your launch vehicle if you like. I may continue to add additional bonuses to enable increasingly-lower scores as the challenge goes on. Good luck! Smallcraft Leaderboard: Largecraft Leaderboard (20+ kerbals): Differences: Entries must have 20 or more kerbals. At least 2/3 of your crew must land on Duna. Stayin' Alive only requires that you have one extra seat for every 2 kerbals. You divide your total score (after bonuses) by half the total number of kerbals you take.