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About doggonemess

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    Lev Aerospace

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  • Location Arnold, MD
  • Interests All sciences, blacksmithing, bowyery, model making, gaming, exploring

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  1. For our one participant, I'm happy to present the badge for the Asparagus Staging Challenge!
  2. New challenge! ASPARAGUS TO THE MUN What could possibly go wrong? (Image from the KSP wiki) Your challenge is to send an Apollo-style mission to the Mun using asparagus staging! Primary objective: Land on the Mun and return safely! Optional objective: Make the trip without using a landing module, i.e., the entire craft lands on the Mun and returns to Kerbin. For those of you who are not familiar with asparagus staging, it is the process of carrying many smaller liquid fuel boosters that all feed fuel inwards via fuel lines and then dropping them in pairs as the outermost tank runs dry. The name comes from the appearance of such rockets, like a bundle of asparagus. Each booster has its own small engine, optimized for the ISP in which it will be used. For most rockets, this means that most of the booster engines will be efficient in the atmosphere, while the main engine will be optimized for vacuum. All the boosters are ignited at launch (and the main engine, unless it's a vacuum engine). (Image from the KSP wiki) The idea is that you can carry an enormous amount of fuel and a high thrust-to-weight ratio but efficiently drop the empty tanks and unneeded engines as you go, thereby keeping the TWR high while at the same time carrying only the required amount of weight to make it happen. This method was proposed (but not implemented) on the Falcon Heavy, but with only two boosters feeding fuel into the main tank. Of course, when we do it, we have to Kerbal the heck out of it. While asparagus staging used to be more effective, due to the aerodynamics model in KSP, recent updates have made it much less so. To get the most out of this technique, speed should be kept subsonic until you reach the thinner parts of the atmosphere, beyond 15,000 meters or so. Once the air thins out, you can throttle up to 100% and continue into orbit. See the KSP article here for more info: The most important thing to remember is to check your staging carefully. You need to drop the boosters starting from the outside and working in. It's also wise to use Sepratrons to get the tanks clear after staging, as there isn't much room with this design. Happy explosions!
  3. The challenge is now closed! Great work for those who tried it, I'll have the badges up soon. And, sorry to have missed the question about altitude - it doesn't really matter, the main thing was getting the craft to a starting point that worked well and could be replicated. Standard badge: True Belter badge:
  4. I salute you, sir. I have been looking for a way to do this for years. Only just now have I discovered Module Manager and figured someone would want the flags off by default.
  5. doggonemess

    VAB Horizontal Landing Challenge

    500 Kerbals?! Good god, man. That's insanity! I've gotta try this.
  6. Your sig is the space at the bottom where you can put anything you'd like to show off. It's accessed by clicking your username in the top right, then clicking on "account settings". On the account page, click on "Signature" on the left and you can paste the URL for the badge image there. Be sure to resize it if needed so it's no more 100px tall. You can do that by holding CTRL (or the Mac equivalent) and right-clicking. An option for "Edit image" appears, and you can specify the height and width in pixels.
  7. JOOL MOON SLINGSHOT RUN Oye, beltalowda! This week's challenge is inspired by "The Expanse". If you haven't seen the show, stop what you're doing and plan to do nothing else for the next two days while you binge watch it. It's that good. Back to the challenge! Your mission is to make a slingshot run around the moons of Jool. To pull this off, you have to start from a circular Jool orbit at 248,000 km. From there, plot a maneuver that takes you past as many moons as possible without using any thrust after the initial burn. My example below has my Kerbal flying by the three inner moons, with no control input after the starting burn. Now, I didn't get really close to any of them, and didn't get to the outer moons, but I'm positive it can be done much better! For instance, I could adjust my trajectory using RCS thrusters to get closer to the moons, using the gravity to do most of the work to get me back out to the moons I missed. There's no scoring, but I'll be designing different badges for the basic goals, one for elite skills, and one for the true Belters out there. It breaks down like this: Basic: Slingshot past at least three moons. You can make mid-flight adjustments to steer your craft between the moons, but no engines may be used after the first burn - only RCS thrusters. Elite: Slingshot past all the moons using multiple maneuvers and RCS. True Belter: Visit all the moons using one burn and NO additional maneuvers - guided only by your initial trajectory. I swear, it CAN be done. Your craft can be whatever you want to build. I went with something that looks cobbled together from junk, like the one featured in the show, but you can make it however you like! As such - any and all mods can be used, as long as they don't change the physics. If you want to check out the awesome design of the show's racer, check out the designer's website: You can also get your ship to the orbit any way you like. I just used the cheats menu to put the ship at 250,000,000, which is how I came up with the weird 248,000 km orbit number. That part is firm, everybody needs to start at the same point. You can, however, advance time to get the moons into a different alignment if you like. I can't wait to see what you guys come up with! Happy explosions!
  8. Sorry for the delays everyone! I'll have the new challenge up within an hour. Thanks!
  9. doggonemess

    [1.4.5] Real Solar System v13.1 [03 Sep 2018]

    Well, you see, a cloud is an aerosol consisting of a visible mass of minute liquid droplets, frozen crystals, or other particles suspended in the atmosphere of a planetary body. Air can become saturated as a result of being cooled to its dew point or by having moisture added from an adjacent source. Clouds form as a result of this process. I know I'm seven months late making this joke. Sorry, I couldn't resist.
  10. doggonemess

    Asymmetrical Aircraft Challenge

    Really!? I didn't know that. That's very helpful, as it seems to come up sometimes when the control surfaces are in weird places. Thanks!
  11. doggonemess

    kOS ICBM Challenges

    On another note, I made something along these lines a while back. This shouldn't be considered for entry, it's just for fun. I'm sure it fails on several levels. KSP Mirv: In case that isn't Kerbal enough for you, I give you the KSP MIRV MIRV! It's a missile with four MIRVs on top, each with 24 independently targeted warheads. It's a ballistic missile submarine in a tube!
  12. doggonemess

    kOS ICBM Challenges

    Heh, blunt body reentry vehicles. Have you seen "The Dictator"? It is too round on the top. It needs to be pointy!
  13. And here is the SRB to orbit badge for our lucky completionists:
  14. It's definitely do-able. I have an awesome spy car with ejection seats. Works almost every time now! Just for fun, I think I'll incorporate this into an aircraft and try it out.