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Found 7 results

  1. Avo4Dayz

    Flyback Boosters

    Anyone interested in playing with flyback boosters I have shared a link to stock ones which I have made. They are designed to be able to lift adequate payloads to a parking orbit with equatorial apoapsis of 125km. Then your payload will circularise or you can use an upper stage to do this (taking out of your payload fraction). From there you circularise your payload before switching back to the booster and performing a course correction burn if necessary and then ignite the panther engines to extend your range back to the runway. The Twin Boar variant is great for small satelites. The variant built off the plane tanks can easily lift the Mark 2 capsule to space using a poodle kicker stage and plenty Delta-V to reach your station. the 3.75m variant has be glide tested only, but I figured larger payload options might be useful. I do recommend SRBs for larger paylaods to reserve some Delta-V for high altitude trajectory corrections. Very much interested on people's opinions on the crafts or if they have made fly backs of their own.
  2. (Morning music) Good morning/night my dear KSP players. Ever wanted too land an Orbital booster (after that OB) ? without happening like this? or this? (i needed this aero stuff just for fun)) ) well. haha. that's impossible. technicaly. just training and stuff. BUT!!!!)) i'm having a small guide for you too faster landing stuff. before we start. you need to know how to: Get to sub orbital trajectory. Get to orbital trajectory. Know how to use fast vessel switch ( using " [ " and "]" ) and map switch. Have some felling of intuition. Have some patience. please. ready? let's start! here i'll leave a you can download it . (p.s. i'm too lazy to add pics.) So now that we have an a craft. let's Begin! Ok. when it's on the launch pad. check the staging. after you checked, LAAUNCH IT LIKE A CRAZY MAN)) but for real. be careful. ok here are the pictures. so on speeds around 100 m/s. start turning up to 80-70 degrees Keep the throttle at max. between times look at your apoapsis/apogee is around 100,000 M above Earth Kerbin. after you reach 100,000 M above kerbin (at apogee point). Pull the throttle at 0. switch back from map view to rocket view. and decouple the first stage w/ second. after this use fast switch. and pull up the throttle a little bit. until it's gonna be a safe distance. flight up until it will show 230,000 or more (the more the better, just keep fuel to get in orbit) use fast switch (or map switch) to switch back to our Orbital Booster. after that make an retrograde manuver. (PRO TIP: make the retrograde manuver end near the island airport. in case of which you could just add some Dv to speed it up. as shown) burn the manuver at half the time shown. Ex. if it's showing 18s. burn at T - 9. after you finish your "ideal burn". we can deploy the ace from our cards. by the name A.I.R.B.R.A.K.E.S. slow down the rocket and adjust the trajectory. after some entry burns. were going for the final burn. the suicide burn. the hardest part of the flight. from here there aren't a lot of pictures. so use your intuition. (PRO TIP:if this is not your variant to use your intuition. use light. there good as a height showers.) here is a picture of me using my intuition. and if you are lucky. congrats you landed it (don't turn off the RCS) my result. and don't forget about some one in the sky. the second stage! right! using map switch. we will get it to orbit. switch back to the second stage. and get it too orbit. and congrats! now you know how to do stuffs w/ your rocket without using quicksave. (or using idk). thanks for reading my article. all questions to me on this article or my profile. cya!
  3. Hey everyone. So I'm struggling a bit both with getting satellites to orbit and to make airplanes that can fly high altitudes. Last night I was googling for some tips and tricks and I came over a thread with someone posting a picture of a plane he made. As you can see in the pic his thrust limit is 36 and he woops out a smashing 23.4 k delta V?!?! I tried to make roughly the same model but I get nowhere close to that! Thrustlimit set to around 1 and I get something like est 8 min burn. Ofcourse that thrust is so small even a light aircraft would never lift. How is this possible? How can he have a twr if 1.02 and an estimated burn of 14 hours??
  4. There's a new shuttle challenge, I had an idea for a small shuttle. The airplane stage wasn't hard for me to build, and it flys nice - holds prograde more or less by itself , generates optimal lift/drag ratio when in prograde hold , thanks to incidence angle on wings. I had the idea of putting a kickback on each wingtip to get the thing halfway to space. That's the easy bit right? Well, no. After I'd finished getting hung up on my own launch clamps, then the torque from the boosters sending me pitching up or down into a half loop crash, i found that the flight profile you get with solids doesn't play nice with the lift from the wings. On the solids, it accelerates harder and harder as the flight goes on due to fuel burnoff, we end up generating too much lift and steadily pitching up into a vertical climb, or even going over vertical. So we need to not build speed too fast down low, but we still need enough thrust in the first 15 seconds or you get another comedy takeoff. So, I'm starting over with liquid fuel boosters, since when has any shuttle program ever been about saving money anyway? Though i might need more than a pair of Reliants to get the job done... Here is the mini shuttle with a fail-tacular solid booster setup. micro shuttle.craft?dl=0 What it really needs is something that gets it to 15km+ at mach 3 or more, in a shallow climb (less than 15 degrees of pitch) - that way the upper stage isn't wasting it's meagre thrust against gravity for long, and is actually thrusting horizontally with some atmosphere to make lift from the wings. Basically the ascent the upper stage wants to follow looks something like this -
  5. All Rights Reserved : MaErDa Docking Port T3 GumRoad Supporters or Donators Exclusive MaErDa Corp is proud to release is ultimate docking solution for 2.5m modules. This splendid invention include one stable docking port surrounded by 4 Mini LFO engines supported by 8 one way mono-propellant engines. 4 emissives warning bands surround the docking port for better visibility in total darkness. Compatible with 1.25m and 2.5m docking ports. Download Link : -snip- Exclusive Contents avaible soon Early access MaErDa Dual Engines ; No balancings, No Fx To Help MaErDa To Help KSP To Help SpaceDock Version 0.6 is Out ! Download Links : -snip- Corp Beta Testers Pack MaErDa just discovered a new artefact on Ike ! MaErDa Present the Dual Mode Engines Cluster Type 1 The perfect solution for who need emergency monopropellant burn ! Now with M-DM-EC-T1 you can save the situation if you are out of fuel. No more jetpack pushing or hell long RCS burn. The M-DM-EC-T1 let you switch engine mode to monopropellant engine automaticly when you get empty. This is not beautyfull ? MaErDa Corp present the Landing Leg Silo Concept Sketchfab Link : MaErDa present the Landing Module solution for the T-Series, the MaErDa Atlander. This heavy duty tank are the result of a mislead secret command vehicule who turned into a crashcan. Perhaps we keep some breakthroughs from ours fails. Resulting into a new design for an landing module wich include four mounts for landing engines fitted for MaErDa L1 standards. The module include an vertical pod for 2 kerbal. Attach a docking port on top for horizontal landing. Legal Mention : MaErDa Corp do included engine within his sales. Sketchfab Link : Download Link : -snip- or MaErDa present the Liquid Fuel Booster solution for the T-Series, the MaErDa Booster T-Series. Theses long refined boosters tanks are the result of a mislead secret aircraft who turned into a mess. Perhaps we keep some breakthroughs from ours fails. Resulting into a new design for liquid fuel booster wich include an air intake for airbreathing engines. The single compartment tank give us a little weigth loss in exchange of crash tolerance. Legal Mention : MaErDa Corp do not included any engine within his sales. Sketchfab Link : Download Link : -snip- or MaErDa present the Jet Booster solution for the T-Series, the MaErDa Jet Booster T-Series Theses long refined boosters tanks was created to help the Booster T-Series to lift off. The Jet Engine include an air intake for his airbreathing engines. Some defects make us impossible to stage them normally. Some Action groups must be made to turn them on/off. The price of innovation i bet ! Our scientists are on the case. Fix coming soon ! Legal Mention : MaErDa Corp does engine within his sales. Sketchfab : Donwload Link : MaErDa present the refirbushed Atlander. Recycled Atlander crashed on moon. The pod, monopropellant was striped off in exchange off better SAS and Fuel capacity. Sketchfab Preview : Download Link : MaErDa Corp like thinking big. So they made an variant of the original Atlander for big lifting purpose on low gravity planet or moon. The pod and monopropellant was striped off in exchange off better SAS and a triple wider FuelTank. The Lander Engine L3 (LeL3) was specialy created to fit on theses oversized variants. Warranty void if used with fart gaz. Download Link : AtlanderSupersise.cfg -snip- I dont know why i can't embed my sketchfab here !?
  6. SpaceX prefers vertical powered landing to horizontal winged landings for their booster to do RTLS since it requires little modification to the booster and because it would also work on airless bodies. However, using wings may offer an advantage. Based on the lengths of the burns for the return portion of the boosters flight on the Orbcomm-2 mission, I estimate the amount of propellant that must be reserved for the booster RTLS as ca. 46 metric tons (mT). This results in a large performance hit of a 30% loss of payload according to Musk. However, estimates of wing weight are about 10% of the landed weight, which probably could be reduced to 5% with carbon composites. So for a F9 booster with an estimated dry mass of 20 mT to 25 mT, you would only need an additional 2 to 2.5 mT, and likely half that with composites. This would results in large reduction of the payload loss. But the question is could we use wings to allow a RTLS when the booster flies at hypersonic speeds, say, at ca. Mach 7? I think it might be possible, or with minimal propellant burn, if your airfoil has high hypersonic lift-drag ratio. To be sure this would be very different from the Space Shuttle's delta-wing shape. The shuttle has been described as akin to a flying brick with a hypersonic L/D ratio of only 1, though its subsonic L/D is better at about 4.5 However, airfoils of high hypersonic L/D are known: Waverider Design. So my challenge to Kerbal-mavens is if you have a Mach 7 L/D of about 7, could your first stage booster at a max speed of Mach 7 do a return to launch site? Bob Clark
  7. Hello everyone, I am having a little difficulty launching a refueler into LKO that can hold 4000 units of liquid fuel. Please note that I don't have access to 3.75 parts at this time. If I could see an example of a stable refueler. I'm pretty good with designing efficient and stable boosters and upper-stages, but this one has stumped me... It's just so unstable! Thank you, -Will Granda