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Kerbal Transfer Illustrator Link: https://kerbal-transfer-illustrator.netlify.app Description: The Kerbal Transfer Illustrator is a set of mission planning tools inspired by alexmoon's Launch Window Planner, Arrowstar's KSPTOT, and krafpy's MGA Planner, among other things. It consists of 4 interconnected pages, which each make use of pretty, interactive 3D displays of the solar system: Transfer Illustrator: Generate porkchop plots and calculate trajectories for any starting and ending orbits in a solar system Optimize trajectories for accurate in-game use Optionally use Oberth maneuvers for arrival and departure from celestial bodies Flyby Illustrator: Search for efficient multi-gravity-assist missions with powered flybys Optionally make use of deep space maneuvers between flybys (work in progress) Optimize trajectories for accurate in-game use (usually reasonably accurate, work in progress) Flight Planner: Visualize trajectories for multiple crafts Plan relay constellations by looking using the CommNet display Manually edit individual maneuver nodes and see real-time changes to the resulting trajectory Copy and paste flight plans from the Transfer and Flyby Illustrators System Editor: Tweak settings for individual planets, or make entirely new solar systems Load modded systems from Kopernicus configuration files Use custom systems in the other pages of the app Also note that orbits and crafts can be loaded from your KSP save files, and links can be generated from each page to save/share your flight plans! Modded systems that are already built in to the app include: Outer Planets Mod JNSQ Galileo Planet Pack Real Solar System KSRSS Any comments, contributions, or ideas for new features are appreciated! The Kerbal Transfer Illustrator is licensed under the Creative Commons Zero v1.0 Universal license.

Hi, during the past weeks, a friend of mine and I created kspalculator. kspalculator is a tool written in Python3, which determines the best rocket propulsion designs for one stage of a rocket, given a set of constraints and preferences. Constraints are properties of the spacecraft which have to be fulfilled. These are the possible payload and the Delta-v as well as the minimum acceleration which is reached in an environment with given air pressure. Preferences are further properties a propulsion design might fulfil in order to be preferred. Examples for preferences are the thrust vectoring angle, the radial size, whether the engine is able to generate electric power, etc. Which is the best design depends heavily on the specific application. A design might be better than another one, if it is cheaper or has a lower mass, but it might also be considered better if it is buildable using less technology or if it better fulfills some of the given preferences. Obviously, it is impossible to sort all propulsion designs by their "goodness", so there might be more than one which is the best at least by some criteria. This tool presents exactly all best designs. The stage might have different requirements for minimum acceleration for different flight phases through different air pressures and different Delta-v requirements. For example you might require the vessel accelerating by 1000 m/s with an acceleration of 3 m/s², and later 500 m/s with an acceleration of 7 m/s². Besides considering the classic liquid fuel engines as well as solid fuel boosters, kspalculator also considers using the LV-N Nerv Atomic Rocket Motor, the IX-6315 Dawn Electric Propulsion and the O-10 Puff MonoPropellant Engine. Even though calculating this sounds highly sophisticated, the best designs are presented to the user usually within less than a second. The information shown about each design includes a detailed listing of the performance characteristics, i.e. the actually reachable Delta-v (which might be slightly more than required, because of rounding to tank sizes), the acceleration at full thrust as well as the mass at beginning and end of each flight phase. By the way, it is compatible with the latest version of KSP, 1.2.1! You may get more information and download kspalculator at: https://github.com/aandergr/kspalculator Additionally, there is a web application at: https://kspalculator.appspot.com/