kerbiloid Posted February 3, 2019 Share Posted February 3, 2019 (edited) Afaik C captures O more actively than H. So, when they produce hydrogen from coke and water, there are mostly CO2, CO, H2O and H2. I can't claim this but probably the methalox would be soot-poor. Edited February 3, 2019 by kerbiloid Quote Link to comment Share on other sites More sharing options...
tater Posted February 3, 2019 Share Posted February 3, 2019 One of the rationales for methane (for both SpaceX and Blue) is that it reduces coking issues, which simplifies reuse. Quote Link to comment Share on other sites More sharing options...
CatastrophicFailure Posted February 4, 2019 Share Posted February 4, 2019 17 hours ago, Xd the great said: Kaboom incoming. eek. Quote Link to comment Share on other sites More sharing options...
Xd the great Posted February 4, 2019 Share Posted February 4, 2019 Maybe they are doing short tests. Who knows. But hope everything is fine. Quote Link to comment Share on other sites More sharing options...
tater Posted February 4, 2019 Share Posted February 4, 2019 Quote Link to comment Share on other sites More sharing options...
Xd the great Posted February 4, 2019 Share Posted February 4, 2019 (edited) Did the nut test fail? You know, the test where they throw a stainless steel nut into the engine... Edited February 4, 2019 by Xd the great Quote Link to comment Share on other sites More sharing options...
CatastrophicFailure Posted February 4, 2019 Share Posted February 4, 2019 That audio tho... After the bangs, that groaning... did... did they just rip through the space Time continuum and summon an eldritch abomination from outside reality?? Quote Link to comment Share on other sites More sharing options...
tater Posted February 4, 2019 Share Posted February 4, 2019 All clear siren? They frequently light the field on fire, as well. Quote Link to comment Share on other sites More sharing options...
Xd the great Posted February 4, 2019 Share Posted February 4, 2019 28 minutes ago, tater said: They frequently light the field on fire, as well. It is an engine test facility... The engines are excellent flamethrowers, except for the recoil part. Quote Link to comment Share on other sites More sharing options...
CatastrophicFailure Posted February 4, 2019 Share Posted February 4, 2019 Apparently there were two tests. ...and no eldritch abominations... Quote Link to comment Share on other sites More sharing options...
tater Posted February 4, 2019 Share Posted February 4, 2019 Hopefully Elon's drinking post-test whisky and will be off on a tweet storm soon. Quote Link to comment Share on other sites More sharing options...
CatastrophicFailure Posted February 4, 2019 Share Posted February 4, 2019 Ka boom! but in a good way. Quote Link to comment Share on other sites More sharing options...
tater Posted February 4, 2019 Share Posted February 4, 2019 Quote Link to comment Share on other sites More sharing options...
RedKraken Posted February 4, 2019 Share Posted February 4, 2019 Congrats Elon and spx crew. I thought you had popped an engine for sure. Quote Link to comment Share on other sites More sharing options...
Xd the great Posted February 4, 2019 Share Posted February 4, 2019 (edited) 20 minutes ago, tater said: Did they blew an engine by shutting it down? Also: why is the flame green? Is this striking back on Bunsen burners? Edited February 4, 2019 by Xd the great Quote Link to comment Share on other sites More sharing options...
tater Posted February 4, 2019 Share Posted February 4, 2019 (edited) 49 minutes ago, Xd the great said: Did they blew an engine by shutting it down? No. First tests, very short, making sure it works. Quote Also: why is the flame green? Is this striking back on Bunsen burners? TEA-TEB. Operational Raptor will use spark ignition, but for testing, they are eliminating a variable and using TEA-TEB for starting. Merlins do the same. <EDIT> I read this someplace, can't recall where, however. <second EDIT> I was wrong to say TEA-TEB, it was spark ignition. Camera artifact or some chamber overheating (copper in there) caused the green. Edited February 4, 2019 by tater Quote Link to comment Share on other sites More sharing options...
cubinator Posted February 4, 2019 Share Posted February 4, 2019 Whooo! Quote Link to comment Share on other sites More sharing options...
RedKraken Posted February 4, 2019 Share Posted February 4, 2019 My first (and very half-assed) meme : Quote Link to comment Share on other sites More sharing options...
tater Posted February 4, 2019 Share Posted February 4, 2019 8 minutes ago, RedKraken said: My first (and very half-assed) meme : You should tweet that at him. 25 minutes ago, Xd the great said: Also: why is the flame green? Is this striking back on Bunsen burners? My previous post might have been wrong. I'm honestly unsure. The discussion I remember was at NSF, and I selectively remembered part of it. Others were saying the scaled down version (which also showed the same green) was spark ignited. So wait and see is the best answer, I guess. Didn't have to wait long: Quote Link to comment Share on other sites More sharing options...
Xd the great Posted February 4, 2019 Share Posted February 4, 2019 Oh, so kinda like striking back. Guess i have reasons to try this at school labs. Quote Link to comment Share on other sites More sharing options...
kerbiloid Posted February 4, 2019 Share Posted February 4, 2019 (edited) Spoiler So, at last someone has tested Deinonychus. Though here in KSP we were using it for years. Spoiler But I'm puzzled. KSPI has been created by @FractalUK years ago. The Deinonychus engine, too. Raptor is tested just now. Both are named after a raptor. Is SpaceX following KSP? Edited February 4, 2019 by kerbiloid Quote Link to comment Share on other sites More sharing options...
Xd the great Posted February 4, 2019 Share Posted February 4, 2019 33 minutes ago, kerbiloid said: Reveal hidden contents So, at last someone has tested Deinonychus. Though here in KSP we were using it for years. Reveal hidden contents But I'm puzzled. KSPI has been created by @FractalUK years ago. The Deinonychus engine, too. Raptor is tested just now. Both are named after a raptor. Is SpaceX following KSP? Elon is a KSP fan, I believe. Quote Link to comment Share on other sites More sharing options...
Elthy Posted February 4, 2019 Share Posted February 4, 2019 The sound of that engine is insane. It appears to be recorded almost 1km away (sound seems to lag 2-3sec behind) but is still to muuuch for the microphone. 31 of them are hard to imagine... Quote Link to comment Share on other sites More sharing options...
DDE Posted February 4, 2019 Share Posted February 4, 2019 23 minutes ago, Elthy said: The sound of that engine is insane. It appears to be recorded almost 1km away (sound seems to lag 2-3sec behind) but is still to muuuch for the microphone. 31 of them are hard to imagine... Let’s cut distance by a factor of ten and more than double the thrust. Quote Link to comment Share on other sites More sharing options...
michal.don Posted February 4, 2019 Share Posted February 4, 2019 8 hours ago, CatastrophicFailure said: After the bangs, that groaning... did... did they just rip through the space Time continuum and summon an eldritch abomination from outside reality?? Someone apparently took your Kraken trilogy as a manual instead of a novel... Quote Link to comment Share on other sites More sharing options...
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