ferram4 changed the topic of #RO to: Welcome to the discussion channel for the Realism Overhaul (meta)mod for KSP! Realism Overhaul Main Thread https://goo.gl/wH7Dzb ! RO Spreadsheet http://goo.gl/Oem3g0 ! Code of Conduct http://goo.gl/wOSv2M ! | Maximal & soundnfury's RP-1 Race Into Space Signup: http://bit.ly/2DEVm2i [15:01] <soundnfury> Straight Eight Stronk (and) RP-0/1 is basically "Space Agency Spreadsheet Simulator"
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<Starwaster> goddamit... just noticed some methalox configs I wrote up have a mixture ratio of 3.5 - which doesn't seem likely.... where did I get that number from?
<Mike`> we should document our sources more :)
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<Bornholio> Starwaster: http://www.braeunig.us/space/comb-OM.htm mETHALOX charts
<Starwaster> yeah saw that... highest there is 3.0 - which matches with some NASA docs I was looking at
<Starwaster> I think my numbers might have actually come from Space Y mod, which is a relief because it means I didn't come up with it myself.
<Bornholio> I'd say a tad bith fuel rich, don't need much unless the engine needs to temp limit more
<Bornholio> is the BFR engiens dual stage?
<Starwaster> what do you mean?
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<Bornholio> so the wiki page say 3.81, but i'm not sure what crack they are smoking, the citation doesn't seem to have that number that i can find https://www.nasaspaceflight.com/2018/08/evolution-big-falcon-rocket/6/
<Bornholio> Starwaster: sorry i mean that it has two turbo's one fuel rich and the other oxygen, so you can run the engine in totoal closer to stociometric ratio
<Bornholio> total
<Starwaster> dunno. Aask musk
<Starwaster> they're still pretty close to the vest on Raptor
<Bornholio> yup engine is Full flow staged combustion in elon's video
<Starwaster> hmmm they thought of going with ethylene at one point?
<Bornholio> yeah for molten tungsten
<Starwaster> bornholio, I think I found the source of the 3.81 and it looks like it was actually supposed to be 3.8 to 1 (3.8:1 -> 3.81)
<Starwaster> it's attributed to Musk himself for whatever that's worth
<Starwaster> information would be 3 years old
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<Starwaster> bornholio page 6 has a figure of 3.58 (presumably a more updated value due to changes)
<Starwaster> maybe that's the most recent data for the raptor
<Bornholio> there should be a public release sinces its design has had USAF funding
<Starwaster> yeah 3.5-3.6 is more like it
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<soundnfury> Rokker: no angry alligators here :)
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<Rokker> soundnfury: I might get to meet an astronaut for that launch
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<soundnfury> ooh
<soundnfury> is this some sort of event at the m u s e u m ?
<Rokker> soundnfury: yeah, Walter Cunningham is gonna be giving a talk in honor of the 50th anniversary
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<Bornholio> okay whats the -switch for logging