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<awang>
\o
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<ProjectThoth>
Well, I got my rig up and running. :D
<Bornholio>
.cheers
<ProjectThoth>
I should install RO.
<ProjectThoth>
I'm already gonna hate myself from gen chem this semester, might as well go the whole nine yards...
<Bornholio>
might want to start with KSP and work your way up :P
<ProjectThoth>
Hah!
<ProjectThoth>
I can't believe how smooth KSP is now.
<Bornholio>
gonna have to wait closer to christmas before any new rig for me
<ProjectThoth>
Aww.
<Bornholio>
new job is gonna give me a very nice laptop, but i normally don't put games on company hardware
<Bornholio>
It will have my favorite CAD on it so i may model NTR's on it though. Have Taniwha walk me through turning them into proper.mu's
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<NathanKell>
o/
<Qboid>
NathanKell: blowfish left a message for you in #RO [04.09.2017 05:41:28]: "I just experimented a bit with Thor-Vanguard, and the results were pretty good. You should be able to put a fair bit into orbit with it. Have to underburn the first stage to get it to lift off, but only by about 5 seconds."
<NathanKell>
blowfish: Awesome!
<blowfish>
I'm optimistic about it getting 400 kg to orbit
<NathanKell>
Wow, that's really quite good!
<blowfish>
(I was able to do more, but in sandbox)
<ProjectThoth>
Gonna try a jaunt to the Mun in stock.
<blowfish>
good luck! Try not to accidentally hit Eeloo
<Bornholio>
NathanKell testing RSS on 1.3 any must test mods? (currently adding RSSVE and Principia)
<NathanKell>
To make it playable, add ROMini or SMURFF
<Bornholio>
wasn't going to play it much just see if i can break the RSS portion in anyway
<NathanKell>
yep, but it'll still make life easier if you don't have to build whackjob stuff to go to orbit :)
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<NathanKell|Twitch>
Pap you around?
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<Pap>
yes NathanKell|Twitch but on mobile, what's up?
<awang>
I started a KRASH simulation and all of a sudden got ~3500 funds o_O
<NathanKell|Twitch>
Pap: nm, Bornholio explained it to me (what the photography levels were, I saw 600kg for what I thought was a Corona camera and freaked, Bornholio explained it's meant to be KH-5/SAMOS)
<Pap>
Ah, NathanKell|Twitch Yes, the first Film Return is the weight of Corona (IIRC)
<NathanKell|Twitch>
Pap: Second one's mass is actually too heavy for KH-5, turns out. Thor Agena B could only loft ~500kg to polar LEO
<NathanKell|Twitch>
If it's meant to be something launched on Thorad, then the 600kg makes sense
<NathanKell|Twitch>
but if it *is* meant to be something later, it should probably unlock later?
<Pap>
That is a good question, let me look at that
<awang>
Level 1 runway weight limit is too small for B29 + X-1 :(
<awang>
Unless I'm doing something horribly wrong
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<awang>
I mean, it's *technically* enough
<awang>
I just get ~20 minutes of flight time out of the B-29
<awang>
Which isn't as much as I would like
<Starwaster>
what like a B29 superfortress?
<awang>
Yeah
<awang>
Or as close as to one as I can get
<awang>
Since I don't have a B-29 cockpit
<awang>
(I think)
<awang>
So it's really just a super huge He-111
<Starwaster>
yeah 20 minutes doesnt sound like nearly enough
<Pap>
NathanKell|AFK: whenever you get back, do you know Thor Agena D would work for 600 kg?
<awang>
I can get to maybe 10000 mters if I'm lucky
<awang>
And that's not including fuel for the descent
<SpecimenSpiff>
I had a "kick myself" moment this morning. Been doing sounding contract after sounding contract, a few suborbital manned flights, otherwise just waiting for bigger and better techs. Then decided "well, lets go ahead and see what I can do with the A-9." And reached orbit. I've had all the tech I used for about a year in my career.....
<Starwaster>
there better not be any bunnies or kitties coming to an untimely end in that
<Bornholio>
we had a goose go through the nose cone of a C141 of one of the load masters i worked with. and birdstrikes in general along leading edge on Buffs
<Bornholio>
those engines though, birds in smoke out
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<ProjectThoth>
What's the snap to node keyboard shortcut?
<Starwaster>
alt
<Starwaster>
you mean snap only right?
<ProjectThoth>
ye
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<awang>
Is filling up your rocket on the pad using launch clamps to bypass mass limits considered an exploit?
<awang>
Or is that expected?
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<blowfish>
awang: to my knowlege it's considered an exploit
<awang>
:(
<awang>
Well, that's entirely expected
<awang>
Just somewhat annoying
<lamont>
yeah that’s cheatin
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<awang>
RF needs a better way of shrinking tanks then
<awang>
Partially filling a tank is pretty annoying otherwise
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<ProjectThoth>
I wonder why stock doesn't yield more rocket SSTOs.
<ProjectThoth>
How the hell would gravity work on those things?
<Sigma88>
fine if you are at the center of any of the faces
<Sigma88>
the vertex are basically huge mountains
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<Sigma88>
does any of you have any experience rotating vectors?
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<Kiwivogel>
Sigma88 I used to do that kind of crap a lot while I was still doing crystalography but that's like 5 years ago and I seem to have forgotten all of it -.-
<Kiwivogel>
I would suggest using rotation matrices that was always the easiest for me but I have no idea if that's the most efficient way to do that computationally
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<Sigma88>
they say to use quaternion
<Sigma88>
but I don't think the results I'm getting are correct
<borntosleep>
6 doF?
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<Bornholio>
shoot gotta run
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<Bornholio>
quarternation can have times its not stable like when Qx+Qy+Qz <0 (the diagonal) of the matrix
<Bornholio>
dang thats been a long time. stupid matrix theory. quarternation is useful because it halves the operations needed vs a rotation matrix
<Pap>
!NathanKell* It turns out there was a missing 0 and the Improved Film Camera was 10 times heavier than it was supposed to be. Thanks for catching it! That one is based on the Corona satellites
<Pap>
!tell NathanKell* It turns out there was a missing 0 and the Improved Film Camera was 10 times heavier than it was supposed to be. Thanks for catching it! That one is based on the Corona satellites
<Qboid>
Pap: I'll redirect this as soon as they are around.
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<wb99999999>
click
<Bornholio>
afternoon
<wb99999999>
still morning here
<Bornholio>
pa will the distant object enhancement config need updating for RSS?
<Bornholio>
and !NathanKell* should be a command :)
<Bornholio>
pap
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<SpecimenSpiff>
o/
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<wb99999999>
how could Aestus II manage 340s with hypergols...?
<Bornholio>
60bar pressure in chamber long combustion chamber and high Ae/At ratio
<Bornholio>
84:1
<blowfish>
wb99999999: pump fed
<Maxsimal>
looks like those are stats for RS-72, not aestus II
<Bornholio>
they are the same aren't they?
<Maxsimal>
no, RS-72 is heavier due to better turbopump and 300:1 expansion ratio. RS-72 has the 340 ISP, according to aeronautix
<wb99999999>
pump fed upper stage hypergolic engine sounds so Russian
<Bornholio>
I thought the aestus I was 84:1 & 324 :/
<wb99999999>
they seriously put pump-fed engines on probes and landers
<wb99999999>
guess they don't like heavy pressurization so much huh
<Maxsimal>
I think nowadays, a rutherford style electric pump engine for probes would be a great idea.
<wb99999999>
If I were you I'd be very scared about the batteries failing
<wb99999999>
you can't just reroute the probe's power supply to it either, a pump takes way more energy to run than the electonics
<Maxsimal>
obviously I don't know about the battery tech involved, but a mechanical pump seems like it'd have a higher failure rate than lithium batteries - unless they were from Samsung.
<Maxsimal>
Plus the rutherford engines have enough battery power to pump for launch engines - you wouldn't need that kind of pumping rate for a probe engine.
<wb99999999>
you points are solid
<wb99999999>
but I think we can agree on the fact that a probe's power supply is orders of magnitudes samller than what is required for even the smaller pumps
<Pap>
Bornholio: Distant Object will be completely optional
<Bornholio>
pumping power to weightof a turbopump could be around 100-150kW.kg, very good electrics are in the 10kW/kg range, then there are fuels vs batteries say good bats 400kj/kg vs 13.4MJ/kg (x40% efficient)
<Bornholio>
pap thats true but will it need changes because RSS adds planets?
<Bornholio>
nevermind i just looked at that config and it already has an Oberon so it should be good
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<Maxsimal>
wb99999999: Well, back of the envelope calculations from 37kw to drive a 22kn pump say you could drive a 60kn aestus-style engine with a ~18kg li-S battery for 300 seconds. And 60kn is overkill for most probes. Also if you don't need to do everything in one burn, you can recharge the battieries between
<wb99999999>
what is the gain compare to a pressure-fed system?
<Maxsimal>
If RO numbers are to be believed, you might save 7 percent on dry mass of the tanks for switching from modern pressurized to modern unpressurized - anyone know better? So could be quite significant. Plus you could 'stage' off your batteries if you really wanted, popping off a battery has to be easier than disconnecting a tank after all.
<Maxsimal>
Oh, I mean, 7% of the fuel mass, not 7% of the tank mass.
<Bornholio>
If the batteries up the availablity of Ion propulsion at the same time the do higher TWR chemical i can see a use being extended. but both batteries and power system would have to be radiation hardened and the polymers in the advanced batteries are suseptable to GCR damage, plus temp is critical for batteries https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20090023862.pdf
<Maxsimal>
I doubt you'd use ion propulsion and a liquid rocket on the same probe. But yeah - batteries have to be temp stabilized, but usually the inside of a probe is maintained at certain temperatures away, it's not like they don't already put batteries on probes.
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<wb99999999>
ion drives is frequently used with liquid thrusters on the same probe
<wb99999999>
see Dawn
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<Maxsimal>
Nothing I'm reading said Dawn had anything besides ion thrusters on the probe
<Maxsimal>
Do mean the RCS on it?
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<darsie>
ion drives may get probes to a target and chemical thrusters may be needed for landing.
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<leudaimon>
o/
<darsie>
.
<Pap>
o/
<leudaimon>
hey Pap! how is it going?
<Pap>
Going well, how about you?
<leudaimon>
I moved to czech republic for almost a year, still getting things settled down
<Pap>
Ah, I was going to ask you when you were moving! Nice
<blowfish>
there seem to be some spambots making the rounds today
<egg>
had the same issue in #FAR, different IP; at this point this is something for the network operators to deal with, no real use in banning that particular IP (and potentially harming some actual user sometime later when that IP gets given to someone interested in RO)
<blowfish>
Freenode invasion?
<blowfish>
yeah, I don't see any commonalities in the /whois info
<Raidernick>
egg, kick the bot from the channel at least?
<egg>
Raidernick: it left
<Hohman>
At that point you reach out to the server admins and get the channel ops glined
<Raidernick>
ok
<egg>
drive-by spamming
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