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[08:57:00] <Judge_Dedd> I've decided to actually use a Dv map for the first time, and I can't work out how to read it. For example, how do I calculate the Dv budget needed for a return from the surface of Mun?
[08:58:57] <Althego> add the numbers as you move towards your goal
[09:01:22] <Judge_Dedd> Althego, but that means that I need 580+310+860 m/s from Mun to Kerbin
[09:01:30] <Althego> no
[09:01:33] <Judge_Dedd> Everyone always says 1000 is plenty
[09:01:33] <Althego> because there is an arrow
[09:01:38] <Althego> showing aerobreak possible
[09:01:43] <Althego> then you dont need to add those
[09:01:45] <Judge_Dedd> Oh right, aerobraking
[09:02:08] <Althego> but that is your choice, you can and sometimes have to break by fuel, say without heatshields
[09:02:15] <Judge_Dedd> Good point, thanks. So the numbers read both ways in the map
[09:02:34] <Althego> gravity is a conservative force field in clasical mechanics
[09:02:38] <Althego> direction does not matter
[09:02:55] <Judge_Dedd> So, conversely, to get from LKO to Mun orbit would be 1170
[09:03:13] <Judge_Dedd> Then 580 to land
[09:03:24] <Althego> sounds about right
[09:03:30] <Judge_Dedd> Thanks
[09:03:40] <Althego> but in practice you can go with 300 or less
[09:03:55] <Althego> because of aero
[09:05:22] <Judge_Dedd> Aero on Mun?
[09:05:37] <Althego> ah i meant from mun to kerbin
[09:05:39] <Judge_Dedd> :)
[09:05:49] <Althego> also remember that landing usually takes more
[09:05:57] <Althego> because you never land on a perfect trajectory
[09:06:22] <Althego> except if mechjeb or something similar is doing it for you
[09:06:39] <Judge_Dedd> True, and I an playing with no reverts, so I'll want an extra margin
[09:08:00] <packbart> my rough figures are 900+300 from LKO to Mun, 800 to land, 600 to get back up and 300 to get back to Kerbin
[09:08:07] <packbart> so just about ~3000m/s
[09:09:23] <Judge_Dedd> Looks about right
[09:12:12] <Judge_Dedd> Thanks for the help guys
[09:14:15] <JVFoxy> ooof
[09:20:03] <Judge_Dedd> Hmm... does anyone know a way to make a faring larger than the engine it is attached to?
[09:20:32] <Althego> you mean the auto fairing?
[09:20:35] <Judge_Dedd> Yeah
[09:20:43] <Althego> no, that is fixed
[09:20:54] <Althego> but you can turn it off and use your own interstage fairing
[09:21:10] <Judge_Dedd> I have a small engine attached to a bigger tank, so I want to interstage faring to match the size
[09:21:14] <Judge_Dedd> of the tank
[09:21:24] <packbart> I often use a payload fairing for that
[09:21:30] <Althego> yes, that
[09:21:38] <Althego> you can shape that to your liking
[09:21:50] <Judge_Dedd> I haven't unlocked it yet
[09:22:03] <Althego> then add a converter part
[09:22:10] <Althego> but i never use those, they add mass :)
[09:22:28] <Judge_Dedd> Converter part? You mean an adapter?
[09:22:31] <packbart> I've read of people using the hollow tubes as interstage fairings
[09:22:32] <Althego> that
[09:22:45] <Judge_Dedd> Hrrm. I can't see how an adapter would work
[09:23:08] <Althego> would decrease the diameter at the end of the tank to the size of your engine
[09:23:29] <Judge_Dedd> Oh right. 
[09:24:05] <Judge_Dedd> Well... I wanted to make the rocket gradually get fatter towards the bottom, but I suppose bulgy is preferable to downright odd
[09:26:04] <Judge_Dedd> Now I have to find another way of fitting the landing legs...
[09:27:22] <Althego> where we are going we dont need landing legs
[09:27:38] <Althego> these are not the landing legs you are looking for
[09:28:24] <packbart> don't hide your landing legs. they don't have that much drag in the atmosphere, anyway
[09:28:24] <Judge_Dedd> Hehe
[09:28:51] <Judge_Dedd> I'm not trying to hide them, I'm just trying to fit them. The adapter is sloped inwards
[09:29:06] <Judge_Dedd> But I think the legs can stretch to the ground from the part above, just about
[09:39:50] <kubi> soft landing is overrated
[09:40:28] <Judge_Dedd> Well, not that you say that, I only really need that engine for landing...
[09:40:34] <Judge_Dedd> not=now*
[10:21:01] <XXCoder> boomrocket. https://futurism.com/the-byte/rocket-design-powered-by-explosions
[11:13:43] <packbart> KSP works fine with Mouse/Keyboard forwarding through synergy from another computer. :) Fishing Planet does not :(
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