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The Low Mass Duna Challenge Based off of the Low Mass Eeloo Challenge The Challenge: Conduct a Duna return mission that has a mass less than 50 Kerbal tons. The Rules: - The craft must have a mass of less than 50 tons. - No infinite fuel or hack gravity. (obviously) - The Kerbal must return to Kerbin. - Re-entry heating must be set to atleast 100% - No kraken drives - Kerbal must be in a capsule/crew cabin during launch, interplanetary space and the return. A chair on the lander is ok but the Kerbal must have an actual capsule, a cargo bay and a chair does not count. - Mass does not include launch clamps. - No ISRU - No part clipping for any parts other than structural parts. (No clipping of crew compartments, fuel tanks, engines, fuel cells, solar panels, generators, etc.) Submission Rules - Have a screenshot from inside the VAB showing the craft's mass or show it in a video if you are submitting by video. - If you are submitting by screenshots be sure to screenshot every major burn and the landing on Duna and the return to Kerbin. - If you are submitting by video remember to show the mass and all major burns. Winners - @Foxster Imgur album, some part clipping- wasn't disqualified because the no clipping rule hadn't been added yet. Very nicely done - 23.069 Tons - @Aegolius13 Imgur Album, A nice and small nuclear vessel lifted to space mostly by a vector engine, looked a bit like a fish. Very nice - 38.498 Tons - Another submission in another Imgur Album, shaved off about 10 tons by "putting decouplers on the right way." Nice launch vehicle - 28.35 Tons - @maccollo Video Submission, Made by the legend himself, this mission was launched with an interesting duel engined launch vehicle - 28.43 Tons - @Nefrums Imgur Album, Rapier launched, spark engine assisted in orbit, ion-powered transfer stage, Duna lander made of cockpit of launch vehicle, Mun assist into Kerbin Orbit, glided down to KSC, powered landing on a spark engine. Very impressive, especially the powered Kerbin landing. - 7.5 Tons - @Eidahlil Video Submission, Very awsome craft, rapier engine shot it out of the atmo, the lander and ion shuttle assisted each other in achieving orbit, lander has no parachutes, Kerbin and Duna captures both done manually by the ion engine. - 5.473 Tons - @Der Anfang Imgur Album, and a very detailed one at that, staged jet engines in a multistage to orbit. Final nuclear stage flew out to Duna, flewby Ike on the return how to Kerbin. - 27.1 Tons - @Martian Emigrant Submission in the thread itself, Jet-powered launch vehicle, used an ion shuttle and a very small lander. Val owns Duna now I guess. - 21.118 Tons - @AeroGav Video Submission, Used a duel stage spaceplane to complete the mission, plane called the WhippyNerv-II. Muy bueno - 21.35 Tons - @ManEatingApe Vimeo Submission Somehow achieved 1700+ meters per second using a rapier, used a tiny wheel like lander and a tiny ion shuttle, utilized aerobraking at both Duna and Kerbin saving fuel. - 4.992 Tons - @tseitsei89 Imgur Album, Jet engine launch, spark booster to help speed up, ions to orbit. Tiny lander using a pair spider engines - 4.609 Tons