egg changed the topic of #principia to: Logs: https://esper.irclog.whitequark.org/principia | <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…
<queqiao->
⟨expanders are superior⟩ anybody have the problem where theri gimbals go out of control after using the moon from cape kos script?
<queqiao->
⟨expanders are superior⟩ causing pvg to lose control
<queqiao->
⟨Al2Me6⟩ Define 'gimbal out of control' please. I don't see how those two can be related.
<queqiao->
Maybe you're running out of EC while in warp or something like that?
<queqiao->
⟨expanders are superior⟩ i mightve fixed it
<queqiao->
⟨expanders are superior⟩ basically the gimbal was twitching back and forth fairly rapidly and my guidance woulnt work correclty, either flipping back towards the ksc or performing the gavity turb but failing at vacumn guidance
<queqiao->
⟨expanders are superior⟩ rcs is firing erratically too, almost like the stage is oscillating
<queqiao->
⟨expanders are superior⟩ flys nonrally if i dont warp before the launch
<queqiao->
⟨expanders are superior⟩ rcs build aid says theres no imbalance
<queqiao->
⟨expanders are superior⟩ for some reason i have manual control even though pvg says stable guidance
<queqiao->
⟨Kirk (He/Him)⟩ ⟪expanders are superior⟫ for some reason i have manual control […] ⮪ Yes, PVG will let you make control inputs during guidance
<queqiao->
⟨expanders are superior⟩ huh, still doenst solve the problem
<queqiao->
⟨Infernal⟩ So I have a question about the digital camera aka Photography 4. It says to have an eccentricity of 0.00, but using principia that seems kind of fucking hard to keep within those parameters. What orbit can fullfill those requirements?
<queqiao->
⟨PlasticGuy⟩ whats the best starting space centre when using principia?
<queqiao->
⟨Al2Me6⟩ Kourou/Satish Dhawan
<queqiao->
⟨Al2Me6⟩ * Dhawan, if you want to launch to the Moon easily
<queqiao->
⟨PlasticGuy⟩ ok thanks, do they make launching to the moon similar to how it is from cape without principia?
<queqiao->
⟨Infernal⟩ ⟪badgermasher⟫ That experiment isn't really principia […] ⮪ so copy paste that into a document, save it as a .cfg, toss it into module manager and call it a day?
<queqiao->
⟨Al2Me6⟩ Note that that's a _patch_, so you need to take out all the plus signs.
<queqiao->
⟨Al2Me6⟩ * signs at the beginning of each line.
<queqiao->
⟨Infernal⟩ gotcha, anything else I need to do?
<queqiao->
⟨Al2Me6⟩ * _patch_ in the "git diff" sense,
<queqiao->
⟨Al2Me6⟩ No. Just put in GameData like 🦡 said
<queqiao->
⟨expanders are superior⟩ Anybody have the kos script for principia maneuvers?
<queqiao->
⟨Zeusbeer⟩ ⟪Infernal⟫ So I have a question about the digital […] ⮪ Doesnt the Molnyia inclination make the pertubations by J2 0?
<queqiao->
⟨Zeusbeer⟩ Since that is the main pertubation around Earth you could launch a rocket into a 63.4 inc at 0 eccentricity to see what happens with the eccentricity
<queqiao->
⟨Zeusbeer⟩ no clew but apparently it is
<queqiao->
⟨Zeusbeer⟩ mind this is only J2
<queqiao->
⟨Zeusbeer⟩ Egg put some other harmonic suprises in his code
<queqiao->
⟨Zeusbeer⟩ * mod
<queqiao->
⟨Zeusbeer⟩ * surprises
<queqiao->
⟨Zeusbeer⟩ Also it appears that higher orbits have less eccentricity pertubations
<queqiao->
⟨Al2Me6⟩ ⟪Zeusbeer⟫ no clew but apparently it is ⮪ That's talking about the rate of apsidal precession at fixed _e_ (= 0 for this chart), not perturbation of _e_ itself.
<queqiao->
⟨Infernal⟩ I just tried launching it into a very high orbit(around 10,000km) and the perturbations in 2 years were +-0.00022
<queqiao->
⟨Zeusbeer⟩ ⟪Al2Me6⟫ That's talking about the rate of […] ⮪ You are probably correct
<queqiao->
⟨Zeusbeer⟩ but what is then the eccentricity vector?
<queqiao->
⟨Infernal⟩ so if I launch it even higher, which I have the dv for, I can probably just eliminate the need for the patch
<queqiao->
⟨Al2Me6⟩ ⟪Zeusbeer⟫ but what is then the eccentricity […] ⮪ > The eccentricity vector is a vector pointing to the perigee from the focus with the magnitude of the eccentricity.
<queqiao->
⟨Infernal⟩ I'll try the 63.4 inc orbit out
<queqiao->
⟨Infernal⟩ ⟪Zeusbeer⟫ no clew but apparently it is ⮪ btw is this true for earth only? and if it is, does this information exist for other planets/moons?
<queqiao->
⟨Zeusbeer⟩ No its not for Earth only
<queqiao->
⟨Zeusbeer⟩ but its something different
<queqiao->
⟨Zeusbeer⟩ than what I am thinking off
<queqiao->
⟨Zeusbeer⟩ but its something different than what I am thinking off
<queqiao->
⟨Stonesmile⟩ ⟪Infernal⟫ so if I launch it even higher, which I […] ⮪ Photo 4 cares about the instantaneous stats, not average over time
<queqiao->
⟨Infernal⟩ do the instantaneous stats change that much?
<queqiao->
⟨Stonesmile⟩ Depends on your orbit
<queqiao->
⟨Infernal⟩ i'm going for a pretty high orbit
<queqiao->
⟨Stonesmile⟩ Sim it and test it
<queqiao->
⟨Infernal⟩ yeah that's what I'm doing rn