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  1. Dear Kerbonauts, I am a long time KSP player but i had been gone for a while. I started playing again and became as fanatical as the first time i played. I intend to be more interactive, post stuff on the workshop, visit the KSP forums more often and i even started redditing and youtubing for the occasion. Recently i discovered the robotics. Awesome! I finaly made a functional helicopter. I Present to you: Mayakovski Helicopter: -10 person, main rotor-tail rotor configuration, lifting capable Helicopter. Flies great! Space: Toggle engine. R: Rotor brake. (Double tap to release first time. Only works when engine is engaged) Throttle: Lift. 1: toggle grapler and landing lights. I use Q/E for yaw and A/D for Roll, i dont know wether that causes issues for others. Part count: 57 Length: 15.5m Width: 13.3m Heigth: 3.7 Top speed: 50m/s Needs Making History and Breaking Ground DLC Side view: Front view: Youtube footage: Workshop page: https://steamcommunity.com/sharedfiles/filedetails/?id=1866487775. Reddit post: ttps://www.reddit.com/r/KerbalSpaceProgram/comments/d6whw7/my_first_helicopter_and_my_first_reddit_post/ KerbalX Entry: https://kerbalx.com/Robdjee/Mayakovski-Helicopter Kind regards, Robdjee
  2. Gründer Industries ADF-01 FALKEN [Stock] A super-maneuverable, supersonic jet fighter, the ADF-01 (Advanced Dominance Fighter 01) "FALKEN" is a fictional jet from the Ace Combat series of video games- a rare prototype design produced by the fictitious South Belka Munitions Factory Gründer Industries, featuring a distinct forward-swept wing layout and massive twin engine nacelles sunk into the fuselage, as well as an assortment of fins and canards. Additionally, the FALKEN is the first production aircraft in the Ace Combat games to prominently feature the fictional "C.O.F.F.I.N." (Connection For Flight INterface) windowless cockpit technology, and in the games is known for its devastating special munitions it can carry (such as lasers, fuel-air bombs, and multi-target missiles ). For the purposes of KSP, this stock replica of the craft is fairly faithful to the original (fictional) plane- minus a few things impossible to replicate without mods (i.e. lasers or other weapons, and so on). The engines have been setup to have functional 2D thrust vectoring, and just like in the games this FALKEN is super-maneuverable, with a high amount of wing loading allowing you to pull off some impressive post-stall maneuvers, tricks, and sharp turns. The C.O.F.F.I.N. camera/sensor array across the nose of the plane has been replicated as well, and the aircraft is indeed manned. If you choose to do so, mounting mock FAEBs (Fuel-Air Explosive Bombs) to the plane makes for some fun bombing run times attempting to hit space center buildings. Ultimately, this is just meant to be a fun, fast, and agile replica of a video game plane I'm personally a huge fan of. I originally built it for BDArmory combat, but upon seeing how close I was able to get it to the fictional plane and how insanely fun and agile it handled, I had to stockify it so I could share it around. I hope you all enjoy just as much as I have. Download Link [KerbalX] STATS: Parts - 108 Mass - 14.32 tons Crew - 1 Pilot Powerplant - 2x Panther (2D vectored) w/ afterburners
  3. On Demand Fuel Cells (ODFC) By zer0Kerbal, originally by @`Orum adopted with express permission and brought to you by KerbSimpleCo Preamble by Orum The plugin requires a set of Module Manager patches to function, as it does not do anything unless integrated into a part. There are two different sets of patches available on CKAN or SpaceDock. One set that copies the fuel cells from Stock, Universal Storage 2, Jatwaa Demolitions Co, and Solid Fuel Cells (soon more) and replaces the stock modules with ODFC with three modes (four if Community Resource Pack is installed correctly) of operation. Also adds a 0.5 EC/s multimode fuel cell to all stock command pods (easily disabled since in separate patch) Another set that modifies the same set of parts instead of copying them. Features adjustable fuel cell use - much more than just On/Off operation multiple fuel modes (serial usage - one mode at a time) variable activation threshold configurable to produce byproducts (so O+H2 = EC + H2O) very small memory footprint Brown and Black out protection assistance PAW (Part Action Window / Right Click Menu) grouping with auto collapse, click the down arrow to drop the ODFC control panel down (KSP 1.7.1). Two new features from the game settings: Stall: fuel cell stops working if vessel total electric charge falls to close to zero (0f) and will not start until there is more electric charge. Fuel cells require EC to work. autoSwitch: automatically switched fuel mode looking for fuel if the current mode becomes fuel deprived. more features coming soon See More See our Parts Catalog for part pictures For more images, see our Marketing Slicks Discussions and news on this mod: See Discussions or KSP Forums Changelog Summary for more details of changes : See ChangeLog Known Issues for more details of feature requests and known issues : See Known Issues GitHub Pages : See Pages Help Wanted Localization Installation Directions 1 Use CurseForge/OverWolf App (currently does not install dependencies) Whilst I agree CKAN is a great mod for those that can't use zip tools. I take no part, nor am I interested in maintaining the CKAN mod metadata for my mods. Please don't ask me about it but refer to the CKAN mod thread if you are having issues with CKAN or the metadata it maintains. Beware, CKAN can really mess up though it tries very, very, very hard not to. or Dependencies Kerbal Space Program 2 Either 3 Module Manager Module Manager /L Parts designed to use, or patches to modify existing parts This addon does nothing by itself. Supports GPO (Goo Pumps & Oils') Speed Pump (GPO) AllYAll - supports by removing Either BackgroundProcessing (exclusive to BackgroundResources) (see known issues list) Background Resources (exclusive to BackgroundProcessing) (see known issues list) Community Resource Pack Suggests (These mods have Fuel Cells) Hot Beverages Irradiated - Fuel Cells (HBI/FC) Bluedog Design Bureau Stockalike Mining Extension (SMX) Univeral Storage II Universl Storage RLA Reborn Solid Fuel Cells Jatwaa Demolitions Co Does not work with parts from (because they use own generation MODULES) Kethane USI @Angel-125's mods (Buffalo, Pathfinder, et al) CONFLICTS [ODFC-Refueled-CopyPatches][ODFC-C] [ODFC-Refueled-ModifyPatches][ODFC-M] REPLACES ODFC ODFC - On Demand Fuel Cells by Orum >-- ORIGINAL (outdated)--< [ODFC-Refueled][ODFC-R] Tags plugin, config, flags, agency, control, convenience, sound, resources red box below is a link to forum post on how to get support Be Kind: Lithobrake, not jakebrake! Keep your Module Manager up to date Credits and Special Thanks @`Orumfor creating this glorious addon! @4x4cheesecake for helping with the initial adoption see Attribution.md for more comprehensive list Known Issue Tracker [NEW][BUG 1.1.2.1a] AmpYear doesn't seem to recognize ODFC [BUG 1.1.2.0a] TweakScale will not scale module ODFC [BUG 1.1.2.0b] Kerbalism doesn't recognize ODFC, ODFC still functions correctly [BUG 0.0.1.9a] B9 doesn't work on ODFC enabled parts [BUG 0.0.1.9b] next fuel mode should not be visible when only one mode [BUG 0.0.1.6a] BackgroundProcessing or Background Resources mods don't see ODFC, so ODFC doesn't work when doesn't have focus. Should not have both BackgroundProcessing and BackgroundResources installed. any mod that requires to use onLoad() instead of onStart() to update a part Legal Mumbo Jumbo (License provenance) How to support this and other great mods by zer0Kerbal Connect with me Track progress: issues here and projects here along with The Short List this isn't a mod. ;P↩︎ may work on other versions (YMMV)↩︎ Be Kind: Lithobrake, not jakebrake! Keep your Module Manager up to date!↩︎
  4. Hi all. It has been a while since I posted a craft, but Breaking Ground has brought me back from another hiatus. Today I present the Vertitrace three bladed helicopter. Essentially, I wanted to see if I could implement an R/C three channel helicopter design with the new Breaking Ground parts. As in real life, it was never meant to represent the most efficient or advanced use of helicopter technology. Rather, I was mainly just curious to see how it would work in Kerbal. As such, it is not fast and has a few quirks, but overall the craft can be said to be flyable. If you choose to download and try it out, keep in mind the following: -Rear rotor is bound to pitch axis. -Custom 1 cuts power to and brakes the rear rotor. You must do this if you intend to enter into a hover and/or land the craft. -Custom 2 enables motors with 100% torque. Throttle controls RPM only on main rotors. It is more stable when two small reaction wheels are added to the lower railings (line of fuel tanks that connect to the landing skids), but I wanted to build something that did not need wheels in order to fly. Here is a link to the .craft file for any interested parties: Vertitrace Thanks for reading! Please let me know if you have any questions. *Update: Custom 1 no longer has effect. Rear rotor rpm is tied to pitch. Old version had rpm and torque tied to pitch.
  5. Welcome everyone ! In this thread I'll review my (second) take on the famous STS Challenge. My first participation was more than a year ago, and I'm starting a new one, which shall include many things I've learned about building rockets since then. I'm focusing on modules integration, packaging solutions and good-looking contraptions more than trying to be as realistic as possible. There is no mods in this sandbox but Chatterer. This might be pic heavy because I want to describe every part of the first flight to show how the craft handle. Album list on imgur : STS 1 : Deploying 40t. payload STS 2 : 6 Geostationnary relays STS 2b : Recovering the 40t. payload STS 3 : Téléscopâté on solar orbit ! STS 4 : High altitude crew rescue STS 5 : Minmus Space-Station : Propulsion Module STS 6 : Hab Module STS 7 : Science Module STS 8 : Second Science Module, Station Complete ! STS Minmus 1 : First steps STS Moho-Duna because why not STS Duna Bis : 2 Shuttles + Outpost The spacecraft is named Sh(uttle)Or(biter)Pa(ck), it is a combination of many improvements I had to make to my previous shuttles. ShOrPa (Standard) main features are : _1.5 Mk3 bay & Mk3 ramp, front bay is facing ground to use drills or dump stuff on surface. _SSTO capacity. _Low TWR with only 4 Nukes (140+t. empty), +5000dV. _Fuel tanks and engines are modulable if missions requires higher thrust (Tylo?). Orbiter main features : _Total mass is 1065t. (without cargo). _2x6 Kickback SRB clusters (1000dV). _6+1 Vectors (2500dV) + 4 Rapiers to assist lift-off. Here is a post which shows a few details of the design : STS 1 / 1b : Launch Launchpad : Ignition & lift-off ! SRB Sep : Burning to raise Ap : External tank separation : Final orbit 150x150 : Payload separation (40t. dummy tanks) : Re-entry burn, quite hot ! Coming down on KSC, just at the horizon : Heavy flare to kill orbital velocity (max G during mission was only 4.8): Turn around to line up on runway : Final flare : Parachutes : Landing :
  6. WELCOME TO THE HANGAR Here there be giants With part counts measured in the thousands, these colossi of the skies aren't for the faint of heart Look inside to find detail-oriented replicas of some of the largest passenger and cargo liners ever built or conceived With no mods or DLC required, these craft are open to all who can handle their bulk! Boeing 747-100 Antonov An-225 "Mriya" Boeing 747-8 Airbus A-380-861 Boeing Pelican "ULTRA" Hughes H-4 Hercules "SPRUCE GOOSE" McDonnell Douglas MD-11 Scaled Composites Stratolaunch Boeing 747sp (WIP)
  7. This is my stock ksp recreation of SpaceX's starhopper test vehicle, which recently hopped 20 meters untethered on July 25, 2019 and will hopefully hop 200 meters in August. It's still a WIP though, but I'm almost done with it! Here's some images: My Recreation (using Making History for some parts) Real Life Starhopper My Stock Starhopper Recreation "hopping" Real life Starhopper hopping My Starhopper Recreation after hopping, back on the ground One time I tried landing it on the VAB, and this happened (turns out its pretty durable, not the VAB though) Downloads: KerbalX Steam Workshop
  8. MiG-21bis Fishbed Here's my stock Mig-21 replica, pretty fun to fly Download on KerbalX w/Drop tank: 104 parts w/o Drop tank: 92 parts My other Russian aircraft replicas
  9. I have NO MODS installed, I've tried completely reinstalling the game, I've tried restarting my PC, I've tried launching the game from steam and directly from the directory, I've tried restarting steam, And nothing works. I got no error logs and the game worked before. The only thing I know that might have been the cause is that I've tried installing Realism Overhaul via CKAN and ever since it didn't launch. I have no idea what to do anymore.
  10. I'm going to keep my russian aircraft in a singular post here so I don't inevitably clutter up the Spacecraft exchange I only use stock parts or parts from either DLC _______________________________________________________________________________________________________________________________________________ Sukhoi Sukhoi Su-57 "Felon" Length: 16.9m Weight: 55t Parts: 329 AG1: Toggle afterburners AG2: Toggle payload doors _________________________________________ Sukhoi Su-27P "Flanker" Length: 17.96m Weight: 35.5t Parts: 262 AG1: Toggle afterburners _________________________________________ Sukhoi Su-33 "Flanker-D" Length: 18.0m Weight: 34.7t Parts: 379 AG1: Toggle afterburners _________________________________________ Sukhoi Su-35S "Flanker-E" Length: 17.63m Weight: 34.47t Parts: 260 AG1: Toggle afterburners _________________________________________ Sukhoi Su-37 "Terminator" Length: 17.9m Weight: 29t Parts: 202 AG1: Toggle afterburners _________________________________________ Sukhoi Su-47 Berkut Length: 18.2m Weight: 28.29t Parts: 140 AG1: Toggle afterburners ______________________________________________________________________________________________________________________ Mikoyan-Gurevich Mikoyan-Gurevich MiG-29A "Fulcrum-A" Length: 15.4m Weight: 22.64t Parts: 163 AG1: Toggle afterburners _________________________________________ Mikoyan-Gurevich MiG-21bis "Fishbed-C" Length: 14.14m Weight: 17.96t Parts: 164 AG1: Toggle afterburners ________________________________________________________________________________________________________________________________ Mil Mil Mi-24 "Hind" Length: 18.4m Weight: 21.613t Parts: 161 AG1: Fuel Cell toggle AG2: Juno toggle Requirements: Breaking Ground DLC Note: Set the throttle to 1/3, pin the main rotors, and modulate the deployment angle to control the heli ________________________________________________________________________________________________________________________________ Tupolev Tupolev Tu-95 "Bear" Length: 30.4m Weight: 58.3t Parts: 185 AG1: Toggle prop engines Requirements: Breaking Ground DLC _________________________________________ Tupolev Tu-22M3 "Backfire" Length: 28.7m Weight: 50t Parts: 200 AG1: Toggle wing sweep AG2: Toggle Flaps AG3: Toggle bomb bay doors Requirements: Breaking Ground DLC _______________________________________________________________________________________________________________________________________________
  11. I, HolidayTheLeek had a dream... ...and that dream was to build the largest weeb thing I could think of. With the help of @Xen0m3 and his brother, Mika (who doesn't have a forums account). After two months of concentrated hamon weeb energy, we managed to complete all four of the Kongou Class Battleships. Each of them being in 1:1 scale, having fully rotating turrets, and working catapults and floatplanes each. As of the 18th of June, Kongou is the largest craft on KerbalX (From right-to-left, Kongou, Hiei, Kirishima and Haruna) ----- IJN Kongou Made by Me Kongou is the lead ship of the class, and appropriately the largest one in terms of part count too. I gave her stock decals as well. ----- IJN Hiei Made by Xenome ----- IJN Kirishima Made by Me ----- IJN Haruna Made by Mika ---
  12. CURRENT PARTICIPANTS: @KerbalKore @ @ @ PROLOGUE: BRIEF: Players must collaborate with one another in order to construct a massive colony ship with enough space and fuel to colonize another world. Each ship may be built solo or with a maximum of 3 people (see rules) The ships must be built by sharing the craft files and sub-assemblies with each other. Ships must be given a name and one of the builders then must head off into the void and get into orbit of their destination in order to complete the challenge. The Ships may be launched from Kerbin and assembled from orbit, or constructed in orbit using Extraplanetary Launchpads. The most ambitious successful mission wins. RULES: SHIP BUILDING CRITERIA: HOW POINTS ARE AWARDED: Recommended mods for the challenge (Stock is fine): This challenge is highly experimental and I would appreciate any feedback given. CURRENT SHIPS: NAME: CCS "Noah" PHOTO: TYPE: Cryo ship DEVELOPERS: @KerbalKore CREW CAPACITY: N/a DESTINATION: Nara (planet 9 of JNSQ system overhaul) MODS: restock, restock+, EPL, KSPIE, BDB, Tantares, and all Nertea's stuff. PROGRESS: Planning stage
  13. Hullo boys! Since i'm new to the forum i might be incorrect with some things but that's why we we improve as humans. This topic is for showing all (modded or stock) rockets that i make in the game and i like to share using screenshots. Hope you like them! Let's start with the Space Shuttle! https://imgur.com/a/izpIoE4 The Space Shuttle program is one of my favourites NASA programs ever, it combines rocketry and crew transport up to another level, also allowing cargo to the ISS or docking to the de-orbited Mir station made by the Soviet Union/Russia.
  14. Level: Intermediate/Advanced Craft used to illustrate this tutorial: BAK-52NS Version history: 1.2 - Updated with a note on 1.7.3 built-in rotor and propeller blades 1.1 - Updated with better rotors, thanks to a tip from @Hotel26 1.0 - Original version About this tutorial This tutorial is a basic primer on stock helicopters made with parts from the Breaking Ground DLC. It does not discuss pre-Breaking Ground stock rotary motors, nor helicopters made with mod parts. I have limited experience with both and it would expand the scope of the tutorial rather too much. I also do not claim to being the inventor of any of the construction techniques or principles discussed here; a quite a bit I have discovered on my own, and a quite a bit I have picked up around the forums. If you feel you ought to be credited, please say so and I'll add you. What's a helicopter? A helicopter is an aircraft that flies by producing lift from one or more powered rotary wings, or rotors. If the rotor is not powered it is not a helicopter, it is an autogyro; they are also very cool but out of scope of this tutorial. And if the rotor is not used to produce lift but for some other purpose -- thrust, for example -- then it is not a helicopter either. Helicopters can have other forms of propulsion as well: real-life choppers with jet engines bolted on exist and work well. If it's necessary to make the distinction, they are known as compound helicopters. This is a helicopter. It's the BAK-52NS. This variant uses hydraulically sprung and damped landing skids instead of wheels, making precision landings easy...ish. How is it different from an airplane? Airplanes fly by producing lift from airflow around wings. They need to be moving forward to do this and stay in the air. With helicopters, the spinning rotor moves the lifting surface through the air, producing lift. This allows them to hover. However, the big rotating propeller on top of the craft produces a whole set of complications, many of which are shared by kerbal helicopters and human ones; others however are specific to one or the other because kerbal physics aren't quite like real-life physics, and stock kerbals lack certain highly useful bits and pieces used to make human choppers more manageable. On the other hand, kerbals have some amazingly powerful components to build with. Cyclic and Collective Another obvious difference between a plane and a helicopter is how they're controlled. Planes are controlled by moving control surfaces -- rudder, ailerons, elevators, and canards -- which modify the lift produced by each lifting surface, applying forces to the plane and causing it to turn. Pull the stick back, and the control surfaces move to produce more lift near the nose and less lift near the tail, pitching the nose up; push it right, and port control surfaces move to produce more lift while starboard ones produce less, causing the plane to roll to the right. Since helicopters need to be controllable even when they're hovering, they work differently. The primary controls on a chopper are cyclic and collective. Cyclic means adjusting the pitch of the rotor blades differently depending where they are in the cycle of rotation. Imagine that your chopper sits in the middle of a clock face, nose pointing at 12 o'clock. Now, if you want to pitch up, you will want the blades to increase their pitch as they near the 12 o'clock position, and decrease their pitch as they near six o'clock, thereby producing more lift towards the front and less towards the back. You'll also want to adjust cyclic as you start going faster: if your rotor spins counterclockwise, the blades at three o'clock will have a faster airflow over them than the blades at 9 o'clock, because the airflow from your forward motion will get added to the airflow produced by the rotor's rotation. This means you'll want increased pitch around 9 o'clock and decreased pitch around 3 o'clock, or else your craft will roll to the left. This makes helicopters rather hard to fly in real life as well as on Kerbin. What's more, kerbals have no direct control over cyclic: instead, when you adjust the pitch, yaw, or roll, the magic control surfaces try to figure out what you want them to do. This works acceptably with regular aircraft; with helicopters, not so much. So cyclic control on Kerbin is crude at best and you will need partial or total workarounds for this. ~ * ~ UPDATE: FooFighter has built a working swash plate with collective and cyclic control. If you want to make a realistic helicopter that is controlled without reaction wheels, now it's possible! https://kerbalx.com/FooFighter/Swashplate ~ * ~ Collective is a much simpler proposition: it just means the average blade pitch on the rotor. Increase collective and the rotor produces more lift, causing you to gain altitude. Increase it more and your motor will run out of torque to spin the rotor: the RPM will drop and eventually the rotor won't be able to produce any more lift. You'll leap up and then drop down again. Increase it too much, and your rotor will stall, causing you to plummet rather precipitately. And conversely, decrease collective to descend and reduce the torque needed to spin the rotor, allowing it to rotate faster. Collective gives really fine control over hover, and makes a helicopter extremely responsive in vertical motion, comparable in KSP only to a wildly overpowered rocket-powered VTOL. Thankfully, it is possible to make a really nice collective in kerbal helicopters. Perhaps surprisingly, hover on a helicopter isn't actually controlled by throttle. The motor's job is just to keep the rotor spinning; collective and cyclic do the rest. Torque effects In addition to the asymmetrical aerodynamic effects described above, rotorcraft have one more issue to contend with: torque. Spinning up a rotor and, when flying, pushing against the air to produce lift requires torque. Because Sir Isaac Newton is no fun with his laws of motion, this torque will have to get transferred somewhere in an equal but opposing manner. If you don't want your helicopter to spin in the opposite direction of the rotor, you will have to find some way to balance out the torque produced by spinning the rotor. Most real-life helicopters do this with a tail rotor: the helicopter has a pretty long tail which works like a lever arm, and at the tip of the tail is a propeller producing thrust in the opposite direction of the main rotor's torque. The pilot controls the pitch of the tail rotor using yaw controls, and will in fact be continuously adjusting it in different flight conditions (unless he has a computer to do it for him). Sadly, this does not work all that well in KSP. It is possible to make a smallish single-rotor/tail-rotor that is somewhat controllable, but it is hard, it won't be all that easy to fly, and it will very likely require a lot of reaction wheels to paper things over. That's why we're going to discuss a different type of helicopter here: one that flies with twin coaxial contra-rotating rotors. This solution neatly balances out the asymmetrical torque and aerodynamic effects, making for a stable, neutral basis for your craft. By all means attempt to make a conventional main rotor/tail rotor helicopter. Just expect it to be quite hard! This has real-life counterparts as well, notably the Soviet/Russian Kamov Ka-50 and its relatives, and the solution is used there for the same reason it works for kerbals. It makes the craft stabler and easier to fly. By Dmitriy Pichugin - http://www.airliners.net/photo/Russia---Air/Kamov-Ka-50/0920728/L/, GFDL 1.2, https://commons.wikimedia.org/w/index.php?curid=5896037 The coaxial contra-rotating twin rotor powertrain The simplest kerbal rotorcraft powertrain uses a similar solution as in the Ka-50. Kerbals have the advantage of having incredibly powerful, yet compact electric motors that can be placed anywhere, so that's what we're going to do. The powertrain only consists of two parts: at the top a motor (the standard or heavy electric rotor work well for most craft), and below it, a flat servo with its motor disengaged (with no motor at all). The rotor blades attach to the motor above, and the freewheeling servo (or the bottom half of the motor) below. When you spin up the motor, the torque will be evenly split between the two rotors, which will start spinning in opposite directions. Note: this isn't the only way to make a contra-rotating powertrain; you can also use two electric motors surface-mounted to a base, then gizmoed into being coaxial; in this case, each motor will be spinning its own rotor. It has twice the power. For most purposes, the single-motor/freewheel solution is sufficient, however, and has the advantage of being simpler and stabler. Collective Since KSP 1.7.3, Breaking Ground includes propeller and rotor blades as parts. Clip them onto a motor, deploy them, and bind their authority limit to an axis group to control collective (e.g. up/down). Note that they come in clockwise and counterclockwise variants: if building a contra-rotating powertrain, be sure to use mirrored variants for each rotor so that the marking decals point the same way on each, and set the deploy direction on each of them so that adjusting collective up increases pitch on both of them. When building your own rotors (see below), mount an elevon on a servo as pictured above, limit the servo's angle to some relatively sane values, and bind it to an axis group as above. Rotor design The built-in rotor and propeller blades differ greatly in performance from ones made from elevons. They are much more powerful in the lower atmosphere, producing a great deal more thrust/lift. However, their performance drops off much more abruptly and their service ceiling is much lower. A craft powered with a rotor made from elevons can reach 20 km on Kerbin and operate easily on Duna. Therefore, for such special off-world uses, hand-built rotors still have a niche. With rotors, light weight is everything, so use the lightest components available for the job. Your rotor blades should be control surfaces -- FAT-455 for bigger rotors, elevons of various sizes for smaller ones. Here's the best way I know to make a rotor: Place servos onto the motor or the freewheel in radial symmetry. Small ones work most of the time; for very big rotors you might want to use larger sizes. Attach a control surface to the servo and rotate it to the correct orientation. Hold down the shift key and offset it outwards to your desired radius. Set the angle restrictions on the servo. Values of about 12 to about 35 degrees depending on rotor size work for me. If making a bigger rotor, add a second control surface and repeat step 3 for it. Optional: add a strut connector from the servo to the nearest control surface. It won't do anything much but it will make it look better. Copy the entire blade assembly onto your other power element and turn it upside down. Assign servo angle on both sets of servos to up/down, reversing one of them. Important: Disable yaw control on all the control surfaces on your rotor, leaving pitch and roll enabled. Powering it Rotorcraft require electricity to run the powertrain (and also operate collective). Small craft like the BAK-52NS "Kranefly" above could actually run just on a pair of the larger solar panels, or you could bring enough batteries to give you the endurance you want, but the all-around easiest solution is to use fuel cells as above: the golden tank contains enough fuel to fly the Kranefly for probably longer than you have patience, and it only needs a few cells to run. For the heavy rotors you pretty much have to use fuel cells; a pair of large fuel cell arrays is sufficient to power a single heavy electric motor. Controlling it You can set up whatever control scheme you like of course, but I have found the following to work for most things: Action group 1 Toggle fuel cells and engage motor(s) Main throttle[1] Adjust engine torque (you'll want this at maximum most of the time) Up/Down axis Adjust collective (K increases pitch, I decreases pitch -- this places them at the same positions on your right hand as pitch on your left) [1] Since 1.7.2, F/B in 1.7.0-1.7.1 Additionally, brake will apply brake on the motor driving the rotor. Because you have a freewheel between the rotors and the craft's body, this means you can stop the rotor very quickly by disengaging the motor (action group 1) and hitting the brakes -- both rotors will stop with the torque canceled out between them. The magic of reaction wheels Kerbals may not have cyclic but by the Kraken's tentacles they have reaction wheels. You can paper over minor misbehaviours in the craft by adding some reaction wheels... sometimes quite a lot really. Don't feel bad, it's a kerbal solution. Tuning it The powertrain described above is fairly docile and you can stick it on top of the centre of mass of pretty much any craft light enough for it to lift, and it will fly and hover. Getting it to fly well is a different kettle of fish altogether. If there is a science to tuning kerbal rotorcraft I haven't discovered it -- all of my tuning has been through trial and error. I suspect the unpredictability is due to the way KSP translates control inputs into control surface positions on the rotor, which is a bit on the flaky side: Change the number of rotor blades. I've had good results with rotors from 2 to 6 blades. More blades require more power but run smoother. Adjust blade length. Larger rotors are more efficient but less stable unless you feed them with more power. Move rotor forward/aft. Moving it forward and back changes the craft's tendency to pitch forward or back as you increase/decrease collective; it also changes its sensitivity to roll and yaw controls although I have no idea exactly why and how. Even tiny adjustments can make massive differences; less than a "click" of snap-to motion can completely change the handling characteristics of a chopper. I suspect this is due to the way the rotor blades respond to your control inputs. Move rotor up/down. Up tends to make the chopper more stable but less responsive to control inputs, down does the opposite. It's quite possible to make a really numb chopper that only goes up and down and barely even responds to pitch, roll, or yaw controls! Tilt rotor forward. It does something so it's worth a try. Adjust control authority. Less authority means less judder but less control; more does the opposite (and might cause blade stalls which is no fun at all). Adjust the craft's centre of mass. Generally speaking you will want a high centre of mass, close to the rotor: this is why the fuel tank is right below the powertrain in the BAK-52 above. Add or remove reaction wheels. Tip: Tune with SAS off. You might find that your chopper flies rather pleasantly without it in fact! Flying it To fly a helicopter, spin up the rotors with collective at zero, engines at maximum torque. Then increase collective until it takes off. Pitch to accelerate, slow down, or fly backwards; roll to fly sideways, yaw to spin around. When you're moving forward at a decent pace airplane-like aerodynamics start to enter the picture which is fun and different. Developing it further The basic Ka-50 style craft plan is just one possibility among many. Once you've got the power train figured out, you can make bigger ones and smaller ones, choppers powered by more than one set of rotors in a variety of configurations, tilt rotors with heavy servos making for an Osprey-style VTOL craft, and so on. You can stick on a jet or two just below the rotor assembly to make it go faster -- making fast choppers is a completely different and much harder challenge than making fast planes, since the limiting factor is stability rather than thrust to weight ratio; you will need to design rather different rotors for choppers that go very fast. You can also attempt different solutions altogether, like with non-coaxial contra-rotating rotors, or even attempting a main rotor/tail rotor style craft. There's a lot of room for tuning in rotor design as well, and if you feel the stock electrics don't quite produce the oomph you want, research turboprops and start breaking records (ht: @Azimech). You might have to get creative to find a practical use for helicopters in career missions but they are a lot of fun to build and, eventually, to fly. There are at least two helipads on the KSC just begging to be used, so go out and use them!
  15. Hey everybody, So I've officially been playing Kerbal Space Program for 2 years and to cap it all off I present my Lockheed-Martin F-22A Raptor! This is the sixth and final version of the F-22 that I made, she's extremely maneuverable, has above-average acceleration, and best of all, she's as perfect as they come. I know I haven't posted here often, but I want to share this one with you guys because she's extremely special to me. Without further ado, here she is! Hope you guys like her as much as I do, I put my heart and soul into this thing over 2 years of effort and it's paid off more than I could ever have imagined. F-22A Raptor Description: The Lockheed Martin F-22 Raptor is a fifth-gen, single-seat, twin-engine, all-weather, stealth, tactical-fighter aircraft developed for the United States Airforce (USAF). The result of the USAF's Advanced Tactical Fighter (ATF) program, the aircraft was designed primarily as an air superiority fighter, but also has ground attack, electronic warfare, and signal intelligence capabilities. The prime contractor, Lockheed-Martin, built most of the F-22's airframe and weapons systems and conducted final assembly, while Boeing provided the wings, aft fuselage, avionics integration, and training systems. The aircraft was variously designated F-22 and F/A-22 before it formally entered service in December 2005 as the F-22A. Despite its protracted development and various operational issues, USAF officials consider the F-22 a critical component of the service's tactical air power. Its combination of stealth, aerodynamic performance, and situational awareness enable unprecedented air combat capabilities Courtesy of Wikipedia Craft Specs: Top Speed: ~285 m/s Maneuverability: 30 Gees Acceleration: High Accuracy: Max Mass: 33.07t Cost: 204,309 Parts: 308 Crew: 1 Built in KSP Version 1.6.1 Length: 18.31m Height: 5.79m Width: 14.23m Download and fly her from KerbalX: https://kerbalx.com/LunarEnterprises/Lockheed-Martin-F-22-Raptor_2
  16. 个人第123号原版组件飞船 Stock starship No.123 of mine 带有一个舰载机(不实用/模型/装饰)、4个通讯卫星(不实用/模型/装饰) 车间内: KVV生成: 在轨: Steam创意工坊链接:https://steamcommunity.com/sharedfiles/filedetails/?id=1753135191
  17. Pretty self explanatory. Here you can share some of your own custom mission flags if you want to. Here are mine: Feel free to use them if you feel so.
  18. I've been paying much closer attention to delta V, engine weight, and twr as of a late, and I've noticed some interesting things. To start, I've just recently noticed that the overall delta V of a craft is heavily affected by engine weight, sometimes even to the point of affecting which engines I'd prefer to use. Previously, I'd picked engines solely based on their ISP, size relative to the craft/stage, and the overall twr of the final craft/stage. However, since 1.6 added the delta V display to the stock game, I've been gradually prioritizing it over those other things. Nowadays, I'm often shocked to find that the Delta V shoots up when I use an engine with noticeably lower thrust and ISP, seemingly just because of how light the engine is comparatively. I've started using the Spark engine over the terrier in all my deep space 1.25m craft in my early science games, despite the size the difference being quite noticeable; the delta V will tend jump up by shocking amounts just by swapping into the lower efficiency engine! I've even run into some scenarios that make seemingly worthless engines worthwhile; despite the poodle appearing to be inferior to the wolfhound in a variety of ways, it actually gives the craft more delta V in many cases! I'm sure this is an obvious thing that rocket science has to take into account, and I probably look quite dumb to a lot of people right now, but I just find it fascinating how a difference in mass of 1.55 tons can make 113m/s of delta V come from a noticeably less efficient engine! I was just wondering if there was a good way to quickly quantify this at a glance looking at the engine stats. As it stands, I'm only really able to find the best engine for a craft through trial and error, since I'm not really sure how the engines weight plays into things. I've gained a general intuition for how thrust and ISP factor into a crafts design, and this new variable is getting me all confused And now for the "Kerbal" aspect of things; I've recently been infatuated with the idea of making a rocket with the highest possible twr that can reasonably be achieved. I personally find it hilarious when I make rockets that are so powerful, that they are immediately burned up before they could ever hope to hit space Does anyone have any tips for getting the most twr per part, while keeping burn time high enough to use that twr? I'd love that
  19. This craft is a full stock 1:1 replica of the F-104C Starfighter. Intended to be simple replica to serve as my introduction into the world of fighter craft replica's. Instead it became one of my highest part count fighter craft and by far my most accurate replica in general. With 660 parts it's a hefty 40 tonnes, however due to how it was designed it still has decent enough aerodynamics that a bit of engine clipping has allowed it to achieve the required performance. It is able to reach mach 2.6, which is much faster than the F-104 actually ever flew at, although the F-104 possessed the power and aerodynamics to achieve such speeds, however parts like the cockpit limited its speed as it was never designed to take such strain. It has a rotation speed of 60 m/s A stall speed of 40 m/s Its maneuverability...Well, it won't exactly be flying under any bridges All pretty much what you would expect from an F-104, so not a big loss. On the development side, this craft came to together slowly but smoothly. I spent just as much time in the blueprints as did actually building it, the result was that I really had to redo or adjust many sections. This style of building is one I have been employing for a while, but this craft shows the fruits of that labor more than any other. BIG THANKS TO PHANTOM AEROSPACE! Fellow builders have been suggesting that I build a fighter replica for quite some time now, although I always refused. That is until @Phantomic suggested that I start off simple to ease my way into it, specifically the F-104. I just want to give him a huge thanks for encouraging me to build this, as it was one of the most fun replicas I have done in a long time. Please check out his craft, he makes a variety of craft from really detailed trucks and other vehicle replicas, to really sexy and practical stockprop fighter craft. https://kerbalx.com/PhantomAerospace Also you should download his own F-104C replica, it's excellently done and quite practical, plus all of that for exactly 1/10 the part count of mine, you can't beat it! https://kerbalx.com/PhantomAerospace/F-104C Download Link: https://kerbalx.com/Kronus_Aerospace/Kronus-F-104C-Starfighter
  20. Stock U.S.S.ENTERPRISE replica. 7794 parts in total. download link: https://steamcommunity.com/sharedfiles/filedetails/?id=1737212789
  21. Hello, I'm Noah the Smol and this is my system rearrangement I have begun development on. These are bound to change! This is literally my '0.2' of the mod. Edit Log
  22. Republic P-47D Thunderbolt Powerful, Rugged, and Reliable The P-47 was an iconic workhouse fighter aircraft created by Republic Aviation, and first flew in mid 1941. It was first delivered in late 1942, to units serving with the Eighth Air Force in England. It was initially conceived as a high-altitude escort fighter (a role which it excelled at), but thanks to its powerful Pratt & Whitney R-2800 Double Wasp engine it also excelled in the fighter-bomber role, as well as the ground-attack roles. It could carry larger loads than contemporary fighters, and faster than contemporary bombers. The reason for the P-47's success lies with the combination of the powerful engine with an exhaust-driven turbo supercharger, allowing it to keep pace with supercharged bombers for escort duties and outpace much smaller fighters at high altitudes. All of this contributed to a high performance, but the Jug's selling point was its high survivability. The P-47 was built to keep its pilot safe and get home safely. It featured armor plating (in addition to the supercharger itself) to protect the pilot from rearward shots, and the engine was highly robust and absorbed fire from the front. Additionally, the wings and control surfaces were reinforced against damage, the fuel tanks were self-sealing, and the razorback P-47s (A and B models) featured roll cages, and later-model P-47s had a skid underneath for belly landings. All this is to say that the P-47 could get you to the fight in time, and get you back home safe. If you want to fly the P-47 for yourself, enjoy this 2:1 scale replica of Republic's Jug. The video above goes over launch procedures and flight techniques, which are repeated below for thoroughness. Takeoff Procedures Lower flaps with 0. Action group 9 toggles the outer flaps separately. Stage the engine, trim it up using alt+q keep the fuselage level, with the tail wheel just off the ground to take off, use 0 to retract the flaps gain about 10m altitude, then tab back to the engine. Use action groups 1 and 2 to put the propellor in cruise trim accelerate up, and start flying for real. To land, do the same in reverse, with the additional step of using alt+x to cancel the propellor thrust and wheelbrakes to stop. The guns are operated using the staging sequence About the Replica I was initially inspired by my first replica the P-47, which left me a bit disappointed in the small amount of detail I could pack in a normally-sized craft, so I wanted to go big. Additionally, this craft was inspired by @kapteenipirk's UCS style planes, built at a large scale, but highly detailed and functional. Additionally, I will credit @Kronus_Aerospace for building the engine used in the first iteration of the craft (it was later rebuilt with my own design, however I would have never taken on this challenge without it). This was a fun build to make, and it put me outside my comfort zone a couple times. In my usual style, it is highly detailed, but this P-47 also features many of the mechanisms that the real P-47 had (to toggle the cowl flaps, use action group 3). I also am pushing my boundaries a bit with the video, so I'd like feedback on it as well. Download Link: https://kerbalx.com/servo/P-47-Thunderbolt_2 Enjoy, and happy flying!
  23. The Mindri is a cute little SSTO I made a few months ago that can haul 30t to LKO in a Mk 3 form factor. Due to an optimized design, it uses only four Rapier engines, which helps keep the cost down. The Mindri had no crew accommodations, relying instead on a probe core for control. It handles well in flight and is quite controllable during reentry and landing. Attitude control on orbit requires planning, since the onboard reaction wheel is quite small and the RCS system is intentionally under-powered in order to keep propellant requirements down. The Mindri has no provisions for docking to a space station or fuel depot, but it can be used to recover hardware with either a Clamp-o-tron or Clamp-o-tron Sr., as long as it fits in the cargo bay and isn't too heavy. The max downmass for this design has not been tested, although it should do fine with anything less than 15t. KerbalX link
  24. I've designed this base for fun a few days ago and I was surprised to see it could compete on InSight challenge (rank 4 - unlimited !). As usual I've tried to come up with creative ideas and various modules to assemble a good-looking outpost, hope you'll enjoy it, too ! This outpost is made of 3 large habitations modules, one extended lab with full science experiments, a workshop with a drill and electricity storage, and a "power tube" with 8 large solar arrays. It also comes with a heavy rover to make some science on the field ! Overall this base is packed with 55 Kerbals and is designed for long-term stay. Here's how I deployed it : Chapter 1 : Launch The outpost is contained inside multiple fairings, above a descent stage, which itself sits above a Rhino transfer stage. There are 6 heavy lifters around this central core providing a high thrust (1.5G) and more than 3k dV so it's also a SSTO of some sort. Chapter 2 : On way to Duna ! Chapter 3 : Deploying stuff around, preparing to land Heres RoundSat 1 which is released just after capture. SurveyScan and main Relay is also detached. Chapter 4 : Ready to land ! Not seen on those pictures : RoundSat2 was detached just before retroburning the mothership to allow a sufficient communication along the descent. Chapter 5 : Undocking all the goodies Because Scarab would have lots of troubles to assemble the base on a slope, I had to persuade the whole craft to get low enough to reach a plane surface. Good thing I put a massive tank for those Thuds ! Scarab is set up under a module before it detach. Central core is installed a little away from the craft to allow easy modules installation. Now for the most fragile modules of all, not sure if the airbrakes helped but they sure looks professionnal. Final module is the workshop. Chapter 6 : Base is online and ready to partyyyyyyyy--- make science ! Someone said champagne ?!
  25. In agreement with FJS, my friend and I are hosting the first Stock Fighter Jet Showdown! We’ll be uploading the competition to YouTube later this year. On behalf of stock builders, we wanted to give you guys a chance to put your hard work on display. Rules: 1. Aircraft must be fully stock, no DLC, and no mods (except armed with BDA: see rule #8) 2a. Your weapons may consist of up to 6 guns, and 12 missiles from the base BDA, this is not per craft, this is per team of up to 3 aircraft, you may not have more than 3 aircraft in a team. 2b. Guns may be either 20mm hidden Vulcans, individual 50cals, or 30mm GAU-8s. 2c. You may have up to three crafts but you must distribute the weapons across them. 3. You may not clip engines, and there is to be NO craft file editing; the exception to engine clipping is if your fighter is heavily detailed. In that case, you will be allowed to clip engines in, but the craft may not go over 800m/s as a result of the extra engines 4. Craft are to be loaded out before submission. 5. For our sake please keep the part count per craft below 200, we’re trying to avoid having crappy frame rates for the sake of recording. 6. Craft will be inspected for compliance. 7a. Please submit craft by emailing [email protected] 7b. Submit your craft in the following format: Craft Name: [Insert Name] Amount: [Up to three] Armament per craft: Your Name: [The name you want to be listed as the builder] Attach head-on, top-down, and side images of your craft Attach the craft file. (Keep in mind how many aircraft and weapons you can have: 3 Aircraft- max of 4 missiles & two guns each 2 Aircraft: max of 6 missiles & three guns each 1 Aircraft: max of 12 missiles & six guns) 8. You may not use BDA’s armor feature, and you can only use BDA for the weapons, radars, Radar Warning Receivers, countermeasures and AIPilot/Weapons Manager, and the Saturn engines. 9. Aircraft must have a cockpit of some kind, and must take off, land, and fly like conventional aircraft. 10. These should actually be fighter aircraft, whether they're a replica, concept aircraft, or original design. Aircraft which do not look like they could be a proper fighter will be ruled out. This is solely because it's unfair if a low-quality aesthetics aircraft that is absurdly performance based goes against a high-quality aesthetics one. Only the highest quality designs with a lot of effort put into the aesthetics of it will be accepted, nothing more, no less. After all, this competition is to showcase the hard work and talent that stock builders put into their craft to make them as beautiful and as high-performing as possible.
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