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The challenge here is to build a craft that can get to orbit twice without refueling, staging, or docking. Score is based on mass - the lighter the craft, the better. Bonus cookie points if you make an all rocket craft. More rules: You must come to a stop at KSC or the ground nearby between orbits. (Screenshot at 0 m/s on the ground). Scoreboard: camacju - 9.2 tons

Weight is a force: f = ma & gravity is an acceleration, so weight = mass * acceleration but this should be a ratio: weight = mass * environment_gravity / 9.81 m/s. For convenience, orbit should be weightless. A 200kg mass weighs 200kg on Earth/Kerbin but 33.2 kg on the Mun. In a low g vacuum, the mass is mostly weightless. So you can more easily displace the mass in orbit and on the Mun, than on Kerbin, because your kerbals are able to do more work (displacement of mass) with the same effort (energy). Hence, the mass carrying capacity should change relative to the kerbal's environmen

Hello, I am Johnster Space Program and today I present to you my new challenge, lowest mass to duna and back! The challenge requires you to go to duna and back (easy enough) but with the lowest mass rocket possible! This is my first time making a challenge like this, so if I should change anything, tell me. Requirements/Rules: - All Participants Must Show Either Photo or Video (YouTube) Evidence (Including VAB Total Vessel Weight) - No Mods Allowed (Except for KER) - Maximum Vessel Weight Is 150 tons - Refueling IS Allowed, As Long As Total Refueler and Other

*Minor Notification • The author is very unlikely to be familiar with English, so grammar is likely to be destroyed. • More than 95 percent of this article has been translated into Google Translator. •This article was uploaded during the writing due to a mistake by the author (;;;) ***Important Notification • I am not the "original author" of "this Craft" and the "original Korean text" of this article. The "original author" was a user named "HoDeok(호덕)" of Korean KSP Forum, and this article is translated into English with permission of the original author. • The a

I've built a big ship for a manned travel to Mars.It's powered by 3 nuclear engines with Liquid Hydrogen as fuel.The complessive burn time is around 2 hours and the fuel is just enough to the whole trip to Mars and return ( no errors or DeltaV waste possible).So , what's the best way to save as much DeltaV as possible in maneuvers by doing them efficently?Are there any rules that I have to know on how to save fuel? The ship plays a lot on throwing away empty tanks ( life support and fuel), squeezing DeltaV to make the vehicle lighter.Start mass : 600 tons. End mass (from Mars to Earth):

Oh I had an error reading a game data. Please delete this post. Sorry.

So anyone know a good way to send heavy payloads interplanetary? I would like to send a big submarine to laythe. The submarine is < 20 tons. Anyone know a good way to carry this all the way to laythe?