<awang>
How do I tell what version a SmokeScreen dll is?
<awang>
Since SmokeScreen doesn't provide an AVC file
<blowfish>
you can inspect the DLL in windows explorer
<blowfish>
also KSP will print the versions in the log
<awang>
On mac :(
<awang>
But didn't know about the log
<awang>
Hmmm, interesting
<awang>
git says the dll is different
<awang>
Versions match though
<blowfish>
git? DLL isn't stored in the repo for SmokeScreen
<awang>
Er
<awang>
I have my KSP install in git
<awang>
I replaced the SmokeScreen DLL I had installed with the version included with RaiderNick's deps zip
<awang>
And git says that the SmokeScreen DLL has changed
<blowfish>
oh, no idea what's packaged with RaiderNick's
<blowfish>
should download from Jenkins probably
<awang>
Now that's an idea
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<awang>
....Also, KSP's eating up nearly 19GB of RAM
<awang>
That's a ton more than it used to take up
<Raidernick>
2.7.4
<Qboid>
Raidernick: Theysen left a message for you in #RO [16.09.2017 10:52:06]: "I was playing around with USProbes and the TDRS in particular, I had an issue with the deployment of the thing, it has 3x "Activate" which toggles the animation but upon clicking it it gets stuck in an endless animation loop of deploy and retracting, in between there is a split second of "Extend Solar Panels" button which vanishes i
<jclishman>
ProjectThoth: I've done several attempts at RSS/RO, havent gotten as far as lunar flyby yet
<ProjectThoth>
My conclusions at the end are pretty wildly far off, because the way procedural tanks works results in rounding errors, but the idea's there somewhere.
<jclishman>
ProjectThoth: thats more numbers than i know what to do with
<jclishman>
thats stupidly cool though
<ProjectThoth>
jclishman: Basically, the LV has a delta-v of 9.336 km/s, and the Hohmann transfer means that the true delta-v to orbit is about 9.274 km/s.
<jclishman>
Hohmann transfer for.. orbit?
<ProjectThoth>
jclishman: I assumed a Hohmann transfer between my target orbit and my actual orbit.
<jclishman>
ah, ok
<ProjectThoth>
I still have yet to nail the accuracy of the calculator, because it's currently predicting a 9.149 km/s delta-v for insertion, and I expended 9.274 km/s in getting the test vehicle to orbit.
<ProjectThoth>
But an error of like 125 m/s isn't too bad, right?
<jclishman>
yeah i'd say that's pretty good for an excel spreadsheet :P
<ProjectThoth>
More tests are needed!
<ProjectThoth>
But I think it works more than well enough to make something work in RO.
<ProjectThoth>
I'm going to go double-check that, see if my guesses are somewhat close to right, because this could easily be a fluke.
<awang>
...When did Texture Replacer replace the KSP logo on the starting screen?
<jclishman>
and, now that it's pressurized, not enough fuel
<awang>
s/replace/start replacing
<jclishman>
fak.
<Qboid>
awang meant to say: ...When did Texture start replacingr replace the KSP logo on the starting screen?
<awang>
Dangit Qboid
<awang>
I thought you were case-sensitive
<ProjectThoth>
jclishman: You know, I've got a spreadsheet that might help you...
<jclishman>
ProjectThoth: haha
<ProjectThoth>
Got another LV on the drawing boards that should be interesting. Projected to be 30 tons to LEO, liftoff weight is in the 800 ton raenge.
<ProjectThoth>
*range
<jclishman>
is 4 AJ-10s on an upper stage excessive
<ProjectThoth>
(why? because i'm sick of running out of propellant to go to the mun)
<ProjectThoth>
Failing that, I'm gonna suggest stretching your first stage.
<jclishman>
maybe i just don't have the tech?
<jclishman>
I've got both Staged Combustion and Mature Orbital Rokketry, that should be enough
<ProjectThoth>
Hm.
<ProjectThoth>
I stick with "S1 stretch."
<jclishman>
i'll try that
<jclishman>
why does mechjeb suck so much at launching in RSS
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<ProjectThoth>
jclishman: I just fly by hand.
<jclishman>
ProjectThoth: yeah i try to too, its just finnicky
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<BadRocketsCo>
Howdy
<BadRocketsCo>
Is the upgrade speed of a building related to the RnD rate or the rocket build rate?
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<Maxsimal>
!tell BadRocketsCo: Looks like noone answered you - upgrade speed of buildings is directly proportional to build rate of all VAB lines + build rate of all SPH lines
<Qboid>
Maxsimal: I'll redirect this as soon as they are around.
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<awang>
Is there anything like a memory profiler for KSP?
<awang>
It just tells me how much memory is being used, right?
<awang>
Not what the contents of that memory is?
<HebaruSan>
Right, there's no way that I know of to identify which mod is using RAM
<awang>
:(
<awang>
Does anyone know if memory consumption has changed between 1.2.2 and 1.3.0?
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<lamont>
objects don’t have any association to modules. objects don’t have any explicit concept of ownership at all. just some objects point at other objects. that makes ‘what module is using RAM’ a complicated question to answer. it gets worse when you consider memory pressure where stuff like slinq creates tons of garbage and pressure but via piles of transient objects.
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<awang>
lamont: Good point
<lamont>
debugging memory on shared-heap languages (ruby, C#, java, etc) is annoying in general
<awang>
Wait, aren't heap profilers a thing?
<lamont>
yeah, typically those just dump out a count of how many instances there are of classes that are live and how much memory they use
<lamont>
so if its all MechJebModuleBlahDeBlah then you’d know it was mechjeb, but most likely you’re going to see a ton of Part and List<Part> and such
<awang>
That'd at least help, right?
<awang>
I assume there's nothing like VisualVM for mono?
<lamont>
there might be memory profilers that would do a “partial mark and sweep” starting from a set of classes, but that’s also likely problematic if KSP classes (like parts) have pointers to other memory structures in which case every module would also mark most of KSP, but IDK, just speculating…
<lamont>
and no that wouldn’t help
<lamont>
“there’s a billion Parts… okay… now what…"
<lamont>
doesn’t tell you which mod is abusing the crap out of linq to walk the part tree a hundred times a tick
<awang>
I thought LINQ was more or less removed?
<awang>
Unless that was only from KSP itself, not mods
<lamont>
from ksp itself
<lamont>
RT still uses piles of linq
<awang>
Ah
<Rokker>
Bornholio: oi
<Rokker>
Bornholio: oi, plane man
<HebaruSan>
Is there an issue filed on RT's Github repo for Linq abuse? It would be nice to have some form of tracking for it if it's a known problem...
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<lamont>
no idea
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<Maxsimal>
o/
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<awang>
I may have figured out a way to reliably crash my computer
<awang>
Step 1: Start KSP
<awang>
Step 2: Quit KSP
<awang>
Step 3: Crash!
<wb99999999>
insert more RAM here
<Rokker>
"Air Force responds to claim fighter jets killed toddler's pony"
<awang>
For once, more RAM may actually help
* Rokker
squints and stares at headline
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<wb99999999>
this internet this crap
<HebaruSan>
Is ".SelectMany(l => l)" just a no-op?
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<awang>
wb99999999: What college are you at that has terrible internet?
<wb99999999>
some local college in Vancouver
<wb99999999>
really not worth metioning
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<wb99999999>
so what does it mean when they say "alpha-biased" steering?
<wb99999999>
(it refers to the initial phase of the Atlas V ascnet)
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<wb99999999>
geez i hate this...
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<awang>
What RP-0-specific changes were made to RF?
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<Starwaster>
hey folks
<jclishman>
whats a good TWR for an upper stage
<jclishman>
0.7?
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<soundnfury>
jclishman: depends on context
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<soundnfury>
combination of "how close to orbit does the first stage get" (i.e. 'effective g' during the upper-stage burn), "how far beyond orbit does the upper stage have to go", and maybe-relatedly upper-stage Isp
<soundnfury>
so Vanguard has an Able starting at TWR > 1 and then a >>1 solid kick stage, whereas some modern hydrolox uppers start at <0.3.
<awang>
Who says that only ion engines get 20+ minute burns? :P
<soundnfury>
awang: ion engines get 20+ _week_ burns :P
<awang>
soundnfury: Meh, close enough
<awang>
Just a few seconds' difference with timewarp
<jclishman>
soundnfury: thanks!
<jclishman>
soundnfury: So, for example if I was trying to do a lunar transfer burn, higher TWR would be recommend
<soundnfury>
uhh, no
<soundnfury>
once you're in orbit, you can take longer over things
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<soundnfury>
also: the further you want to go (in dV terms), the less engine mass you can afford to lug around, which pushes you to a lower optimum TWR
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<soundnfury>
so for instance if you're launching Surveyor on an Atlas-Centaur, the Centaur can start out at a pretty low TWR, because it's circularising from nearly-orbit (Atlas being 1.5 stages rather than just 1)
<soundnfury>
and that gives you the low dry mass you need to get a goodly amount of dV left for the TLI burn
<soundnfury>
(which will, being the tail-end of the stage, naturally get higher TWR anyway)
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<ProjectThoth>
I'm gonna try and build the Excel II.
<jclishman>
(not calculated at all)
<jclishman>
dumb luck
<jclishman>
russell taking 15G like a champ
<jclishman>
christ, now i have a contract for first rendezvous
<jclishman>
How do I do a direct lunar launch?
<ProjectThoth>
nasa_irl
<jclishman>
ProjectThoth: well, the launcher I built for manned missions conveniently has enough dV to throw something on a lunar flyby
<jclishman>
but my upper stage only has one ignition
<UmbralRaptor>
Uh
<UmbralRaptor>
NASA generally does parking orbits, so…
<ProjectThoth>
jclishman: Aim right for the Moon?
<jclishman>
ProjectThoth: ?
<UmbralRaptor>
Expect something silly like a 700 s burn?
<Rokker>
jclishman: jeez man
<jclishman>
Rokker: what
<Rokker>
jclishman: from the cape?
<jclishman>
Rokker: correct
<Rokker>
jclishman: well, you are gonna wanna wait until the moon is... jeez idk, half way around the planet AND cape canaveral is directly below the path?
<Rokker>
something like that
<jclishman>
i know to wait until relative inc is 0
<jclishman>
Rokker: what do you mean by "the path"
<Rokker>
the path of the moon
<jclishman>
which means....
<Rokker>
relative inclination is 0
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<awang>
Wait, does the relative inclination actually reach 0?
<Rokker>
jclishman: since both the moon and cape canaveral are at 28.something degrees
<jclishman>
awang: close enough to it
<awang>
It oscillated between ~10 and ~45 degrees last time I checked