UmbralRaptor changed the topic of #principia to: READ THE FAQ: http://goo.gl/gMZF9H; The current version is Desargues. We currently target 1.3.1, and 1.4.x. <scott_manley> anyone that doubts the wisdom of retrograde bop needs to get the hell out | https://xkcd.com/323/
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<Mike`>
i was under the impression that an "instant impulse" burn would automatically be "inertially fixed", but that doesn't seem to be the case *scratches head*
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<awang>
Mike`: Does it make sense for an instant impulse burn to be inertially fixed?
<awang>
Inertially fixed would imply that something needs to be fixed over time, right?
<awang>
And an instant impulse takes place in an instant
<Mike`>
thats why i thought ticking/unticking inertially fixed would not make a difference, but it does make a huge difference
<awang>
Hrm
<awang>
Maybe the flight planner picks a different heading for instant impulses if inertially fixed is checked?
<Mike`>
the flightplan i got using inertially fixed and instant impulse together worked fine with my 30s srm burn, the one i got without inertially fixed was off by about 50%
<awang>
Hm
<awang>
idk, this is a bit above my pay grade, unfortunately :(
<Mike`>
np :)
<Mike`>
same here
<awang>
egg: ^?
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<egg>
Mike`: the "instant impulse" thing is a hack, it's actually implemented as "very fast"
<egg>
"inertially fixed" should have little effect on it
<egg>
but yeah, it's not very meaningful
<egg>
Mike`: it *can* have a small difference if your trajectory strongly depends on initial conditions
<egg>
s/small/non-small/
<Qboid>
egg meant to say: Mike`: it *can* have a non-small difference if your trajectory strongly depends on initial conditions
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<Mike`>
hm. in my case, it was an apogee kick maneuver coming from an inclined transfer orbit from the cape and wanting to get into a geostationary orbit. But yeah, it being "very fast" probably explains it. Thanks.
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<Qboid>
5d 0h 0m 0s left to event #28: 3e&Azerspace 2/Intelsat 38, VA243 [at 2018-09-07 21:56:00]. Say '!kountdown 28' for details
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