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<Mat2ch>
!mission
<LunchBot>
Mat2ch: You hatch an evil plot to steal some important hardware from Mission Control, for the evulz! The floating point errors result in floating kerbals.
<Mat2ch>
!mission
<LunchBot>
Mat2ch: The Kratholic Pope Jebediah I holds mass for the worship of Kraken. KwirkyJ removes the entry about KwirkyJ removing the meta entries. Meta-ception.
<Mat2ch>
!mission
<LunchBot>
Mat2ch: You give the MechJeb pod the evil eye to try to make it stop staring at you. Oh well, these things happen.
<Mat2ch>
!mission
<LunchBot>
Mat2ch: You readjust Eve's mountains' angle of repose. This results in you creating a new OS, KUNIX, which becomes insanely popular and shapes the history of computing.
<Mat2ch>
!mission
<LunchBot>
Mat2ch: You have more of a comment than a question. Again.
<Mat2ch>
Ok, that fits. :D
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<packbart>
the MechJeb pod has been retired and deprecated. I liked its eye, though :)
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<JVFoxy>
i sees.. or rather it saw it all
<JVFoxy>
i.. the.. no 'it' sees all. >.>
<JVFoxy>
coffee can't come soon enough
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<sheeep>
hey hey, need to ask sth about the delta v map...
<Althego>
yes?
<sheeep>
the 3400 delta v to a 80km kerbin orbit. is that delta v measured in vacuum or atmosphere !?
<Althego>
yes
<Althego>
if you set the delta v tool in the vab to vacuum
<sheeep>
i see. so always in vacuum... the whole map
<Althego>
obviously you have to use engines in the lower atmosphere that work there
<sheeep>
i do a challenge on my own to get to orbit with 3400 deltaV^^
<Althego>
yes, because with bodies with atmosphere it would make it hard to calculate, the atmosphere, your launch profile, launch altitude would cause differences
<Althego>
you can make better than that
<Althego>
make it 3000
<Althego>
if you have high enough twr
<Althego>
you can do a shallower, mre efficient ascent
<Althego>
the 3400 is a realistic value, but not the best you can do
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<sheeep>
hmm
<Althego>
high twr and heat resistance :)
<sheeep>
but means a flat ascent more drag?
<Althego>
less gravity loss
<Althego>
obviously you have to keep the two balanced
<Althego>
but high twr in general means you are betetr off
<Althego>
so if you start say with 2
<Althego>
instead of a more usual 1.2 or 1.3
<Althego>
while you are going up, full 1 g is subtracted from taht
<Althego>
which causes less delta v
<sheeep>
ill try and let you know^^
<darsie>
If there's no atmosphere I ascend as shallow as possible.
<darsie>
Unless it's Gilly :).
<Althego>
there you just do whatever
<sheeep>
yea but ill try an kerbin orbit
<Althego>
you need rcs to land :)
<sheeep>
as less as possible
<darsie>
On Kerbin you usually overheat if you fly too shallow, so I tend to fly so shallow that I just don't overheat. Or a bit steeper.
<Althego>
use the landing gear on the nose trick :)
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<darsie>
Haven't heard of that before. Going too shallow is suboptimal, too, though, due to drag.
<Althego>
there is a specific landing gear that has the highest heat tolerance in the game
<Althego>
that can soak in all the heat on the nose
<darsie>
sheeep: If you fly shallow so the apoapsis is over the next peninsula when it reaches 70 km, this is an efficient ascent: https://i.ibb.co/xfGxZnw/screenshot351.png
<Althego>
it seems the sls t est failure was bigger thanthey thought
<Althego>
another delay
<Althego>
this makes it hard for the europa clipper to launch on sls
<Althego>
although congress forced nasa to launch it on sls. but even they cant change the law of physics
<sheeep>
hmm got a orbit with about 3100dV.. but rocket is too big
<sheeep>
ty darsie
<darsie>
I reached orbit with 539 m/s left in that rocket.
<Althego>
if you have smaller fuel tanks but same engines you can even go lower than 3100 then
<darsie>
I reached orbit <3000 m/s (vacuum dv).
* raptop
inserts a generic rant about how vac Δv is not quite the same as actually expended Δv
<darsie>
I flew even shallower, the Pe was behind the next peninsula and I had only 531 m/s left.
<raptop>
whelp
<darsie>
For a lower drag rocket this might be better, though.