raptop changed the topic of #principia to: READ THE FAQ: http://goo.gl/gMZF9H; The current version is Fréchet. We currently target 1.5.1, 1.6.1, and 1.7.x. <scott_manley> anyone that doubts the wisdom of retrograde bop needs to get the hell out | https://xkcd.com/323/ | <egg> calculating the influence of lamont on Pluto is a bit silly… | <egg> also 4e16 m * 2^-52 is uncomfortably large
<discord-_> e​gg. — @Damien note that most skyboxes out there are badly oriented or mirrored; I made one a while back which is very ugly but correct, which you might be able to use as a reference https://forum.kerbalspaceprogram.com/index.php?/topic/162200-wip151-161-17x-181-principia%E2%80%94version-fubini-released-2020-04-23%E2%80%94n-body-and-extended-body-gravitation-axial-tilt/page/25/&tab=comments#comment-2722222
<discord-_> P​oisonchocolate. — Is principia that essential to my RO experience that it's worth the performance loss? And do I need to totally relearn ksp to use it?
<discord-_> D​RVeyl. — Not as simple a question as you might think?
<discord-_> D​RVeyl. — I'd say most folks play RO without Principia. So "this" essential? No.
<discord-_> D​RVeyl. — How much performance loss do you actually experience? There's a lot of effort in making Principia not have much impact -- and where you mostly might notice it is if you're trying to warp at rates above 100,000:1. Rates which I think only exist in RO in the first place. And then, the performance cost still depends on how many vessels (and debris) you have, so you can certainly do things to help yo
<discord-_> D​RVeyl. — Totally relearn KSP? Depends on the lessons you learned. Getting to orbit is basically unchanged. Staying in orbit is more fuzzy. Transferring between planets is still mostly the same, though you have a different planning tool to do it. That planning tool is more complicated than what you know from patched conics, so you have to use it -correctly-, but then it's fine, and others here can tell y
<discord-_> P​oisonchocolate. — Got it. I think I will hold off on it at the moment but may revisit
<discord-_> n​ewtype_. — @Damien hey thanks for the comment, i'm figuring it out (mostly that K is a crappy initial flyby route unless you've already used Eve), can't imagine going back to stock now that I can view trajectories like 10 years in advance versus timewarp thru the next orbit and pray that the intercept is slightly closer
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<discord-_> M​yshiko. — > Is principia that essential to my RO experience that it's worth the performance loss? And do I need to totally relearn ksp to use it?
<discord-_> M​yshiko. — @Poisonchocolate I like Principia so much, I feel it's the best part of the RO experience.
<discord-_> M​yshiko. — For RSS Principia is a very natural blend and honestly fixes many issues where patched conics just dont work for RSS.
<discord-_> M​yshiko. — For stock system ... it's a toy system anyway, so Principia is not adding much there.
<discord-_> M​yshiko. — On i9 9900K I do not observe noticable performance loss for reasonable number of vessels (<20 or so). More cores, faster cores - less impact. Less cores, slower cores - more impact. My wild guess AMD Ryzen Threadripper 3970X is as far as it ever gets there (if one needs to fly 100+ vessels for any reason), but really something like 8900K @ 4.9 is good enouph.
<discord-_> M​yshiko. — On i9 9900K I do not observe noticable performance loss for reasonable number of vessels (<20 or so). More cores, faster cores - less impact. Less cores, slower cores - more impact. My wild guess AMD Ryzen Threadripper 3970X is as fast as it ever gets there (if one needs to fly 100+ vessels for any reason), but really something like 8900K @ 4.9 is good enouph. (edited)
<discord-_> M​yshiko. — And i7 7700K (4 core) is still really not bad at all.
<discord-_> M​yshiko. — On i9 9900K I do not observe noticable performance loss for reasonable number of vessels (<20 or so). More cores, faster cores - less impact. Less cores, slower cores - more impact. My wild guess AMD Ryzen Threadripper 3970X (32 core, 64 threads) is as fast as it ever gets there (if one needs to fly 100+ vessels for any reason), but really something like 8600K @ 4.9 (6 core, 6 threads) is good enou
<discord-_> P​teropodidae. — Oof, just saw that PhysX comment. Sorry to hear that this particular approach isn’t going to pan out,
<discord-_> P​teropodidae. — Kind of surprised that PhysX doesn’t try to properly handle that particular behavior. Wonder why...
<discord-_> D​amien. — @egg thanks for the info. I honestly wouldn't have noticed the skybox thing.
<discord-_> D​amien. —
<discord-_> D​amien. — @Poisonchocolate for me personally, principia is an essential mod. In my caseKSP is becoming more about n-body trick shots than anything else. You can 100% play without it, and it's easier in a lot of cases to do so but I doubt anyone playing RO came here for easier gameplay.
<discord-_> D​amien. — Principia is the good kind of difficulty imo, that forces you to learn a new skill. It's not the bad kind of difficulty that's just grind and and box ticking like crew training. Just my opinion so take it with a pinch of salt. The UI takes a bit of effort to learn but it's not that bad. My advice (which I didn't personally follow) is test it out in a non-RO setting (stock, RSS/SMURFF etc) first. Oth
<discord-_> D​amien. — It has a performance hit but it's manageable on a decent pic and with proper consideration to craft numbers (get rid of that debris) and trajectory prediction calculation settings (high precision, long duration = bad).
<discord-_> D​amien. — @egg thanks for the info. I honestly wouldn't have noticed the skybox thing.
<discord-_> D​amien. —
<discord-_> D​amien. — @Poisonchocolate for me personally, principia is an essential mod. In my case KSP is becoming more about n-body trick shots than anything else. You can 100% play without it, and it's easier in a lot of cases to do so but I doubt anyone playing RO came here for easier gameplay.
<discord-_> D​amien. — Principia is the good kind of difficulty imo, that forces you to learn a new skill. It's not the bad kind of difficulty that's just grind and and box ticking like crew training. Just my opinion so take it with a pinch of salt. The UI takes a bit of effort to learn but it's not that bad. My advice (which I didn't personally follow) is test it out in a non-RO setting (stock, RSS/SMURFF etc) first. Oth
<discord-_> D​amien. — It has a performance hit but it's manageable on a decent pic and with proper consideration to craft numbers (get rid of that debris) and trajectory prediction calculation settings (high precision, long duration = bad). (edited)
<discord-_> D​amien. — @egg thanks for the info. I honestly wouldn't have noticed the skybox thing.
<discord-_> D​amien. —
<discord-_> D​amien. — @Poisonchocolate for me personally, principia is an essential mod. In my case KSP is becoming more about n-body trick shots than anything else. You can 100% play without it, and it's easier in a lot of cases to do so but I doubt anyone playing RO came here for easier gameplay.
<discord-_> D​amien. — Principia is the good kind of difficulty imo, that forces you to learn a new skill. It's not the bad kind of difficulty that's just grind and and box ticking like crew training. Just my opinion so take it with a pinch of salt. The UI takes a bit of effort to learn but it's not that bad. My advice (which I didn't personally follow) is test it out in a non-RO setting (stock, RSS/SMURFF etc) first. Oth
<discord-_> D​amien. — It has a performance hit but it's manageable, if not unnoticeable on a decent PC and with proper consideration to craft numbers (get rid of that debris) and trajectory prediction calculation settings (high precision, long duration = bad). (edited)
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<discord-> P​rofiremu23. — So i tested a KRASH sim
<discord-> P​rofiremu23. — i putted a random stuff into moon orbit
<discord-> P​rofiremu23. — And my experince is the Moon tried to put the stuff into a crash course
<discord-> P​rofiremu23. — Moon orbits hard to maintence right?
<discord-> D​amien. — they're not stable apart from certain specific inclinations, no
<discord-> D​amien. — but that's the same irl
<discord-> P​rofiremu23. — So inclination is a tip for moon orbits?
<discord-> D​amien. — yes. a polar orbit will be very stable
<discord-> P​rofiremu23. — I try that
<discord-> P​rofiremu23. — Plus side, i can maintain communications both sides of the Moon
<discord-> D​amien. — if you want to get good with principia in RSS, I can strongly recommend setting up an RSS/SMURFF install
<discord-> P​rofiremu23. — I try that
<discord-> P​rofiremu23. — too
<discord-> D​amien. — if you want to send a probe to the moon using a low energy transfer in RP-1, it's a good idea to learn how they work in your practice install, with an easy to control craft
<discord-> P​rofiremu23. — Plus i can use HyperEdit?
<discord-> D​amien. — no
<discord-> D​amien. — not compatible with principia
<discord-> P​rofiremu23. — Stabillty issues?
<discord-> D​amien. — principia handles the positions of objects, hyperedit uses the patched conics system
<discord-> D​amien. — a workaround is hacking gravity, moving it then reenabling gravity
<discord-> P​rofiremu23. — So i need to use the orbit place cheat
<discord-> D​amien. — but I don't recommend it
<discord-> P​rofiremu23. — So manually?
<discord-> D​amien. — why do anything? if you need to do something, launch into orbit first
<discord-> P​rofiremu23. — Hmmm
<discord-> D​amien. — parking orbit design is half the battle
<discord-> D​amien. — if it's on a practice install then you can even use infinite fuel on the ascent, who cares
<discord-> P​rofiremu23. — Okay
<discord-> D​amien. — cheat your way to the perfect parking orbit (inclinaton etc) then detach your practice craft and continue
<discord-> P​rofiremu23. — Good tip
<discord-> D​amien. — low energy stuff requires very small burns so plan accordingly
<discord-> D​amien. — the final stage can be a tiny probe with a throttled down monoprop engine
<discord-> D​amien. — if you've already mastered getting to orbit, transferring to other bodies etc then learn the quirks of precessing orbits (sunsync, molniya, tundra etc), L-point orbits, low energy transfers, gravity assists etc
<discord-> P​rofiremu23. — Okay so i practice in a non-RO KSP save
<discord-> D​amien. — I still don't fully understand it all with reference to the principia UI (specifically multi-flyby gravity assists) but it's a solid head start
<discord-> D​amien. — try a geosat too. that one took me by surprise
<discord-> P​rofiremu23. — Later i try i Voyage style
<discord-> D​amien. — good luck, gravity assists are the hardest thing I've tried 🙂
<discord-> D​amien. — we need someone good at it to do a tutorial
<discord-> P​rofiremu23. — My moon enconter is taken 13 days
<discord-> P​rofiremu23. — sceond orbit is given a encounter
<discord-> D​amien. — that's a long trip, what route are you taking?
<discord-> P​rofiremu23. — Low energy transfer
<discord-> D​amien. — nice
<discord-> P​rofiremu23. — In RP-1
<discord-> P​rofiremu23. — coz i dont have the avionics
<discord-> P​rofiremu23. — to direct burns
<discord-> D​amien. — that's a good idea
<discord-> D​amien. — I take you have a multirestart engine?
<discord-> P​rofiremu23. — No
<discord-> P​rofiremu23. — RCS
<discord-> P​rofiremu23. — yes
<discord-> D​amien. — ah
<discord-> D​amien. — I take it you have a multirestart engine? (edited)
<discord-> D​amien. — so single burn launch to ellitpical orbit, then use RCS to fine tune?
<discord-> D​amien. — so single burn launch to elliptical orbit, then use RCS to fine tune? (edited)
<discord-> D​amien. — or do you have a TLI stage that you coasted with in orbit?
<discord-> P​rofiremu23. — Yes
<discord-> P​rofiremu23. — Areobee AJ-10
<discord-> P​rofiremu23. — 280 kg
<discord-> D​amien. — nice mission
<discord-> P​rofiremu23. — transfer stage with HTP was the monopropellant
<discord-> P​rofiremu23. — I do 2 times
<discord-> D​amien. — if you have RCS on your probe you might even be able to capture into an L1 or L2 halo orbit
<discord-> P​rofiremu23. — No, the aerobee has 2900-3000 m/s
<discord-> D​amien. — ah
<discord-> P​rofiremu23. — HTP RCS is 300 m/s of Delta-v
<discord-> P​rofiremu23. — The third one is direct transfer, so i was lucky to a direct
<discord-> P​rofiremu23. — impact to the Moon
<discord-> D​amien. — nice
<discord-> D​amien. — I took a break a while back because I was burned out with RP-1 and the caveman life so I'm playing JNSQ at the moment. I'll be back though and try to do a non-caveman career with some decent tech and fun missions
<discord-> P​rofiremu23. — https://discord.com/channels/319857228905447436/331813395424739339/709405371936276480 Check my Lune-1 mission report
<discord-> P​rofiremu23. — I invented Atlas in early 1957
<discord-> P​rofiremu23. — Then my stone age rocket era is ended
<discord-> D​amien. — yeah I saw that report. nice job
<discord-> P​rofiremu23. — Lune-2 is to the same thing, Lune-3 impacted after the direct burn
<discord-> P​rofiremu23. — I planning to Lune-4 and 5 to be orbiters
<discord-> P​rofiremu23. — Lune-6 to 10 being landers
<discord-> P​rofiremu23. — So i become a low-energy TLE expert
<discord-> P​rofiremu23. — by accident
<discord-> P​rofiremu23. — when i played the manuver nodes
<discord-> P​rofiremu23. — Nice talking to you, i back
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<_whitenotifier-d13c> [Principia] hdszcg-ksp commented on issue #2557: The Principia DLL failed to load. - https://git.io/Jf48A
<_whitenotifier-d13c> [Principia] hdszcg-ksp forked the repository - https://git.io/Jf44m
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<_whitenotifier-d13c> [Principia] lolotux69 commented on issue #2557: The Principia DLL failed to load. - https://git.io/Jf4Ey
<_whitenotifier-d13c> [Principia] lolotux69 commented on issue #2557: The Principia DLL failed to load. - https://git.io/Jf4EF
<_whitenotifier-d13c> [Principia] lolotux69 commented on issue #2557: The Principia DLL failed to load. - https://git.io/Jf4uZ
<_whitenotifier-d13c> [Principia] lolotux69 commented on issue #2557: The Principia DLL failed to load. - https://git.io/Jf4zs
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<discord-> D​amien. — @egg do you need to write a strongly worded email to the physx team? 😄
<_whitenotifier-d13c> [Principia] pleroy commented on issue #2557: The Principia DLL failed to load. - https://git.io/Jf4g7
<_whitenotifier-d13c> [Principia] pleroy commented on issue #2557: The Principia DLL failed to load. - https://git.io/Jf42e
<_whitenotifier-d13c> [Principia] lolotux69 commented on issue #2557: The Principia DLL failed to load. - https://git.io/Jf4ak
<_whitenotifier-d13c> [Principia] lolotux69 edited a comment on issue #2557: The Principia DLL failed to load. - https://git.io/Jf4ak
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<_whitenotifier-d13c> [Principia] lolotux69 edited a comment on issue #2557: The Principia DLL failed to load. - https://git.io/Jf4ak
<_whitenotifier-d13c> [Principia] pleroy commented on issue #2557: The Principia DLL failed to load. - https://git.io/Jf4V9
<_whitenotifier-d13c> [Principia] pleroy opened pull request #2568: Fix a clang error - https://git.io/Jf4rI
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<_whitenotifier-d13c> [Principia] eggrobin labeled pull request #2568: Fix a clang error - https://git.io/Jf4rI
<_whitenotifier-d13c> [Principia] Pending. Build queued… - 
<_whitenotifier-d13c> [Principia] Pending. Building… - http://casanova.westeurope.cloudapp.azure.com:8080/job/Principia/4282/
<_whitenotifier-d13c> [Principia] Success. Build finished. - http://casanova.westeurope.cloudapp.azure.com:8080/job/Principia/4282/
<discord-> e​gg. — nah, we have a plan of sorts
<discord-> e​gg. — right now I have code that finally handles free body rotation correctly, but it exhibits strong Frobenius-type precession; but I have a good idea why, it is time to do some splittings
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<_whitenotifier-d13c> [Principia] pleroy closed pull request #2568: Fix a clang error - https://git.io/Jf4rI
<_whitenotifier-d13c> [Principia] pleroy pushed 2 commits to master [+0/-0/±2] https://git.io/Jf46Y
<_whitenotifier-d13c> [Principia] pleroy 0d9c8cb - Fix a clang error.
<_whitenotifier-d13c> [Principia] pleroy 05281ea - Merge pull request #2568 from pleroy/Clang Fix a clang error
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<discord-> D​amien. — it's not RSS so I can't post it in #missionreports but I've just had a nice bit of help from principia to turn a mission to deorbit and destroy a defunct Minmus (JNSQ) scansat into a Mun scansat for 27m/s
<discord-> B​utcher. — I had a defunct lunar sat, it crashed into the moon.
<discord-> D​amien. — pics in #other-games
<discord-> B​utcher. — Because mascons.
<discord-> e​gg. — I suppose you could post Principia pictures here
<discord-> B​utcher. — Egg is less strict than many other channels.
<discord-> D​amien. — lol I know
<discord-> e​gg. — what with this being the Principia channel
<discord-> e​gg. — or rather the egg channel
<discord-> D​amien. — it's ok, I'm not the only one posting non-RSS pics in there
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<discord-> B​utcher. — @egg woah woah woah, let's not get *on* topic.
<discord-> D​amien. — From this:
<discord-> D​amien. — to this:
<discord-> D​amien. — for 27m/s via this
<discord-> D​amien. — this
<discord-> D​amien. — and this
<discord-> D​amien. — my original plan was to just deorbit it and let it smash into minmus
<discord-> D​amien. — but instead in 27d it'll have a new job mapping the mun