Lord of the Rockets

I may be involved with some rocket engine stuff

[Lord of the Rockets @RocketManJon]

@DBSLarsson @GaryleeGray @dpoddolphinpro @blueorigin No

[Lord of the Rockets @RocketManJon]

@MassSimulator @NASASpaceflight @BCCarCounters @Harry__Stranger @_maxq_ They are the fin mounts

[Lord of the Rockets @RocketManJon]

@Rocket_Flyer @milan_tomicc @wikkit @DJSnM You just described exactly what I’m saying but with different wording.
QTP: verify design meets all requirements (including margins)
ATP: verify the given build performs as expected and therefore may fly (which it won’t if mistakes were made during production)

[Lord of the Rockets @RocketManJon]

@milan_tomicc @wikkit @DJSnM I will agree that you do not expect catastrophic failures to occur during acceptance testing and it is frustrating when you do. But again, ATP is there to ensure you don’t find out about non-conformances before the part/subsystem has to be used in flight.

[Lord of the Rockets @RocketManJon]

@milan_tomicc @wikkit @DJSnM No, testing engines is my career. You just described Qualification testing. That is where you test engines to verify the design meets system/performance requirements.
Acceptance testing is where you confirm that an engine build is working in-family, and doesn’t have defects.

[Lord of the Rockets @RocketManJon]

@wikkit @DJSnM No. That is the whole purpose of acceptance testing. If you don’t catch the issue during that testing and it fails in flight, THEN you messed up. This is why we test.

[Lord of the Rockets @RocketManJon]

@kwrzesien @DJSnM BE-3PM (New Shepard) and BE-3U (New Glenn) are completely different engines. They are owned by different teams. This failure has no impact on BE-3U. BE-4U was investigated as an option but dropped after trade studies selected BE-3U

[Lord of the Rockets @RocketManJon]

@thetimellis @johnkrausphotos @TrevorMahlmann @LaunchPhoto @relativityspace 🎵“…and the rocket’s blue glareee!”🎶

[Lord of the Rockets @RocketManJon]

@torybruno Well put Tory! I wish more folks were understanding of the actual market forces in the launch industry. Hopefully this read will help some.

[Lord of the Rockets @RocketManJon]

@talkplanetsbaby @blueorigin There is a New Glenn model in the official shop, under “accessories”

[Lord of the Rockets @RocketManJon]

@ursamajortech Arroway was originally ORSC right?

[Lord of the Rockets @RocketManJon]

@torybruno @northropgrumman I thought the Vulcan SRBs were going to be ogive rather than conical?

[Lord of the Rockets @RocketManJon]

@Erdayastronaut Nuclear Thermal and Nuclear Electric Propulsion. Orbital depots. ISRU.

[Lord of the Rockets @RocketManJon]

@cquantumspin @SciGuySpace Dust is sucked into the plume from the surrounding area and creates a more orange hue. Isolate the plume as it exits the nozzle and/or near the top to see the difference

[Lord of the Rockets @RocketManJon]

@GoToImpulse Nevermind, I now see in another answer you stated Nitrous Oxide and Ethane. Looking forward to seeing what comes next!

[Lord of the Rockets @RocketManJon]

@GoToImpulse Ah I was under the impression you were using new green hypergols that I’ve seen a lot of buzz around in academic circles. Can’t quickly find your propellants, what are you guys rolling with?

[Lord of the Rockets @RocketManJon]

@etrm_mz @JohnFromUCLA @jgottula @SciGuySpace I can confirm that Blue uses Rankine. Not my decision…

[Lord of the Rockets @RocketManJon]

@SciGuySpace I thought it was a bit odd when one of Astra’s flights seemed to work but was just shy of circularizing its orbit… without any payload

[Lord of the Rockets @RocketManJon]

@SciGuySpace Looks very similar to OTRAG, which failed bigtime. I do agree that cranes are expensive, which is why my rocket company assembles vehicles using antigravity