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13 mar 2019 · The Spark w/6x Oscar-B tanks gives less delta-v than the Terrier w/ X200 tank, but it has the required delta-v and is substantially lighter (about 1/4 of the mass). Lighter total mass makes it easier to launch the lander from Kerbin and put it in Mun orbit.
If you make a Mun lander the same as you make a Kerbin launcher, it should be able to get to 10 km altitude as a rule of thumb. If you give it lower TWR, it's not going to get as high on Kerbin, or not even get off the surface at all.
I am currently in orbit of the Mun with an unmanned rescue attempt and if successful I should have around 1500-1750 dV left for the journey home. A manned rescue is a great opportunity for my other Kerbals to get experience, but if this succeeds, I will have the tech to put together a proper multi-manned Mun mission in the future.
29 sty 2023 · To allow a little bit of slop in landing on the moon, it's enough to have about 5500 m/s to get there if you're good. It then takes about 1000 m/s to get back to Kerbin, for about 6500 m/s in total. Here's my vehicle to do it, though I don't recall exactly how much delta-V it had: Mun flag planter.
25 sie 2013 · Updated the lander with an extra fuel tank and battery. With 3 tons of unused lift capacity I also updated the overall module to include a drop tank to extend the delta V of the orbiter by about 300 (the drop tank stays with the ship, it doesn't go down with the lander.
I decided to test it with a simple comparison: I made a flea booster, 4x basic fin, small guide unit, and either an empty fuselage plus the escape system, or a ore tank plus either docking port or nose cone. The ore tank was used to get the rockets in the same approximate weight: 2865 - 2890 kg.
16 lip 2013 · When you want a really elegant mun mission, learn docking and do an apollo-style mission with a detachable lander. That way you can keep the fuel for the return trip in mun orbit, so you don't need to land it and bring it back up....or just add more stages below your existing rocket.
