Nightside Posted September 19, 2020 Share Posted September 19, 2020 On 9/12/2020 at 7:54 PM, Gargamel said: So why no self destruct mechanism? They were trying to hit F9. Quote Link to comment Share on other sites More sharing options...
tater Posted December 11, 2020 Author Share Posted December 11, 2020 Quote Link to comment Share on other sites More sharing options...
RealKerbal3x Posted December 11, 2020 Share Posted December 11, 2020 Go Astra! This has been like Falcon 1 so far, hopefully they can make it to orbit this time! Quote Link to comment Share on other sites More sharing options...
tater Posted December 12, 2020 Author Share Posted December 12, 2020 Quote Link to comment Share on other sites More sharing options...
Nuke Posted December 12, 2020 Share Posted December 12, 2020 (edited) a december launch in alaska, well good luck with that. and dont use anything with o-rings. Edited December 12, 2020 by Nuke Quote Link to comment Share on other sites More sharing options...
tater Posted December 15, 2020 Author Share Posted December 15, 2020 Quote Link to comment Share on other sites More sharing options...
RCgothic Posted December 15, 2020 Share Posted December 15, 2020 I'm making a note here: Quote Link to comment Share on other sites More sharing options...
Clamp-o-Tron Posted December 15, 2020 Share Posted December 15, 2020 Congrats Astra! I hope the start live-streaming once they start getting customers. Quote Link to comment Share on other sites More sharing options...
tater Posted December 15, 2020 Author Share Posted December 15, 2020 So they shut down a few seconds early. Quote Link to comment Share on other sites More sharing options...
tater Posted December 16, 2020 Author Share Posted December 16, 2020 Quote Link to comment Share on other sites More sharing options...
tater Posted June 14, 2021 Author Share Posted June 14, 2021 Quote Link to comment Share on other sites More sharing options...
tater Posted August 28, 2021 Author Share Posted August 28, 2021 Launch just now. Lost the vehicle right after max q, had to terminate flight. Quote Link to comment Share on other sites More sharing options...
RyanRising Posted August 28, 2021 Share Posted August 28, 2021 (edited) That was a sight to see. I thought for sure the flight would fail immediately, props for getting as far as they did. Seems like engine trouble on the launch? Low TWR and tilting, but it was able to recover. Edited August 28, 2021 by RyanRising Quote Link to comment Share on other sites More sharing options...
danfarnsy Posted August 28, 2021 Share Posted August 28, 2021 5 minutes ago, tater said: Launch just now. Lost the vehicle right after max q, had to terminate flight. Systems not nominal Quote Link to comment Share on other sites More sharing options...
Lewie Posted August 28, 2021 Share Posted August 28, 2021 Man, that launch was crazy....kudos to Astra for being able to recover from that. Better luck next time Quote Link to comment Share on other sites More sharing options...
Beccab Posted August 29, 2021 Share Posted August 29, 2021 That really was a hell of a launch, now I know how the people who watched that Proton live mush have felt. Most exciting rocket launch i've ever watched 6 hours ago, RyanRising said: That was a sight to see. I thought for sure the flight would fail immediately, props for getting as far as they did. Seems like engine trouble on the launch? Low TWR and tilting, but it was able to recover. The theory I have heard that seems the most likely is that one of the 5 engines failed to ignite, giving a TWR near 1. The first stage then wasted a large amount of propellant trying to still liftoff (which it did) preventing it from reaching the right MECO altitude and setting it on a spin Quote Link to comment Share on other sites More sharing options...
kerbiloid Posted August 29, 2021 Share Posted August 29, 2021 HTVL But SAS is good. Quote Link to comment Share on other sites More sharing options...
RCgothic Posted August 29, 2021 Share Posted August 29, 2021 6 hours ago, Beccab said: That really was a hell of a launch, now I know how the people who watched that Proton live mush have felt. Most exciting rocket launch i've ever watched The theory I have heard that seems the most likely is that one of the 5 engines failed to ignite, giving a TWR near 1. The first stage then wasted a large amount of propellant trying to still liftoff (which it did) preventing it from reaching the right MECO altitude and setting it on a spin I've heard the engine failed one second into flight. If it had just failed to ignite there would have been a hot fire abort and the launch clamps wouldn't have released. May have been a further issue around maxQ, looked to be beginning to shimmy before the terminate command was sent (which I've heard was due to flight trajectory departure). Not sure at this point if MECO was near maxQ because of the wasted propellant early in flight or due to the terminate command being sent. Quote Link to comment Share on other sites More sharing options...
Beccab Posted August 29, 2021 Share Posted August 29, 2021 4 minutes ago, RCgothic said: I've heard the engine failed one second into flight. If it had just failed to ignite there would have been a hot fire abort and the launch clamps wouldn't have released. May have been a further issue around maxQ, looked to be beginning to shimmy before the terminate command was sent (which I've heard was due to flight trajectory departure). Not sure at this point if MECO was near maxQ because of the wasted propellant early in flight or due to the terminate command being sent. That wasn't the actual maxQ either probably, just the point in time where maxQ would have happened in the original flight profile. I believe that was most likely MECO Quote Link to comment Share on other sites More sharing options...
kerbiloid Posted August 29, 2021 Share Posted August 29, 2021 Wiki says, it was engine.https://en.wikipedia.org/wiki/Rockets_by_Astra#Rocket_3.3 Quote On 28 August 2021 at 22:35 UTC, Astra launched its fourth Rocket 3 vehicle, Rocket 3.3 (LV0006). The flight carried an instrumentation payload for the United States Space Force under the Space Test Program, and a separation of payload from the launch vehicle was not planned. Shortly after liftoff, a single engine failure caused the vehicle to drift horizontally several tens of meters sideways off the launch pad before ascending vertically. The vehicle deviated from its licensed trajectory and range safety terminated the flight at approximately T+2:28. The rocket reached a peak altitude of 50 km before crashing into the ocean downrange of the launch site causing the complete loss of the launch vehicle and its payload. No injuries or damage to property were reported from this incident. [26][27] Quote Link to comment Share on other sites More sharing options...
sevenperforce Posted August 29, 2021 Share Posted August 29, 2021 Looks like someone forgot to check TWR in the VAB and it slid off the Kerbal Space Center pad...... Quote Link to comment Share on other sites More sharing options...
sevenperforce Posted August 29, 2021 Share Posted August 29, 2021 8 hours ago, Beccab said: That really was a hell of a launch, now I know how the people who watched that Proton live mush have felt. Most exciting rocket launch i've ever watched The theory I have heard that seems the most likely is that one of the 5 engines failed to ignite, giving a TWR near 1. The first stage then wasted a large amount of propellant trying to still liftoff (which it did) preventing it from reaching the right MECO altitude and setting it on a spin Visible damage on the base of the first stage after MECO (during the tumble) suggests that one of the QDs failed to separate, damaging the engine nearest the tower. That engine’s shutdown caused the tip-over (which fortunately pointed it away from the tower) and initiated the TWR=1 powerslide. Aggressive early gravity drag meant MECO came too low. But the SAS did an amazing job, that’s for sure. It wasn’t a failed ignition, or the flight would have had a commanded abort on the pad before the clamps released. Quote Link to comment Share on other sites More sharing options...
linuxgurugamer Posted August 29, 2021 Share Posted August 29, 2021 Scott Manky did an excellent video explaining everything that happened Quote Link to comment Share on other sites More sharing options...
JoeSchmuckatelli Posted August 29, 2021 Share Posted August 29, 2021 So... here is an example of a visible failure - that I don't think hurts this company. While I missed the stream, if Manley says it was well done, that's good enough for me. If anything, this openness helps to elevate their visibility and shows that they are working and have several mature systems (flight controls, flight management, etc). The smart thing was for the CEO to have stood in front of the other booster - which was a very SX - style "space is hard, but we are iterating fast" move that is a good look for these startups. Quote Link to comment Share on other sites More sharing options...
sevenperforce Posted August 29, 2021 Share Posted August 29, 2021 25 minutes ago, JoeSchmuckatelli said: So... here is an example of a visible failure - that I don't think hurts this company. While I missed the stream, if Manley says it was well done, that's good enough for me. If anything, this openness helps to elevate their visibility and shows that they are working and have several mature systems (flight controls, flight management, etc). The smart thing was for the CEO to have stood in front of the other booster - which was a very SX - style "space is hard, but we are iterating fast" move that is a good look for these startups. Too bad it happened on a Saturday because this would be a great time to pick up their stock. Quote Link to comment Share on other sites More sharing options...
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