thanks

Thank you sir/mam

Your welcome (It is sir) 😉

Thanks. 😊

I saw flames coming out of the right side of the heat tiles. Did any one saw that?

Given that this is the section above the main tanks, what overpressure event is possible with that test? There's no evidence for the tip header or plumbing. That notification could have been sent out before they knew it was good just in case.

@@Jaker788 They also said in the notice that this was a non-flight test. And considering the proximity of the nosecone to SN15, it makes more sense to test it to failure before SN15 flies, lands, crashes or explodes, which may damage the nosecone. it’s likely that it was quicker to copy+paste with the same notifying procedure than to make a whole new notice for a different test, with similar road closure times. Aside from that we know Wednesday is the planned date for launch, so I don’t think SpaceX would gamble a SF again if that risks damaging the raptors and putting them behind schedule for it.

In addition, testing the nosecone before the launch would give them the data to decide whether one flight profile would be better than the other. We don’t know what profile it will fly, and will very certainly fly the same profile if the Max-Q test gives back a force limit they would not want to try with SN15 in flight. So my theory is this: 1. SN15 has a suborbital trajectory in mind, where most of its flight is controlled by being sent upwards at a very fast speed then slown down by gravity before belly flopping at apogee. No need to reach space. 2. All starships are inherently robots with a program running in their computers. When a SF happens, the full sequence happens during and after they cut external lines to it, leaving it under internal power. They could have multiple programmed flight profiles set for testing them in the near future, from the 10km hover flight we know they do to space suborbital flights, on the SS’s own power. 3. Depending on the values of the Max Q test tomorrow, they might take the program that keeps the vehicle under the Max Q while pushing higher altitude or getting there much quicker. This means anything could happen on Wednesday. It’s hard to remind people that with automation this could be drastically different than expected.

@@topsecret1837 I don't see how an unpressurized structural load test would require a road closure, or a notice to residents about anything if there's no danger to them. I'm not saying there will be a static fire, I just think the notice was probably in the works before they had the data or to keep options open. But also I don't see why SpaceX would be afraid of breaking an engine from another static fire, if it breaks it's likely not have broken in flight or on the flip anyway, and it would have been a starship issue to be solved since these are long duration tested at Mcgregor before they get shipped to Boca. It would certainly be nice to see SN15 go higher than 10km or 32,000ft, but they'll probably stick to 10km since it's already at terminal velocity very early in it's belly flop and they don't seem to need that much aero handling data per test since they were fine with scrapping a few prototypes to get on with the next iteration and test the new changes. There's a slight possibility of a faster accent that goes supersonic, however only SpaceX knows how starship would handle aerodynamically at supersonic speeds without a booster (through simulation). My bet would be only after SN15 at least, better to keep flight variables the same and prove things first.

There is no need for an overpressure notice to test the nosecone, i'm note even sure if the pad will be cleared or not

Looks and sounds like they have a camera nice and close now too. But the engines did seem to sound healthy, hopefully they figured out how to better feed the engines on starship and made some good improvements on the engines themselves.

I honestly have to wonder if he might be partially deaf by now with all that construction activity and rocket fires. 😐

We don't know of starcat hangs around the launch site do we? The video showed it at the build site

@@Jaker788 Cats often have a territory of several square km that they patrol daily. When your housecat dissapears for a couple of hours, that's qhat they do. Defend their territory. Some cats travel tens of km a day but that's very active young ones. Starcat looks like he is a middle aged gentlemen.

It does! Between Starship SN9 and SN10, they decided to start all 3 engines for the landing burn, then shut off the 2 that perform the worst, as Starship can land on just 1 engine. So basically it already has 2 backup engines for the final landing burn, but also future versions will have 6 raptors, 3 sea level and 3 vacuum raptors, so there will be even more engines in case of emergency :)

@@PsychoticWolfie They actually can't land on 3 or 2 engines, it's too much thrust to time correctly. Same reason why SpaceX failed at 3 engine falcon landing experiment's and stuck to 1. The plan was to start all 3 for the flip and it can deal with 1 being bad and shut it down, needs a minimum of 2 for a stable flip, then switch to 1 engine for the vertical landing. It looks like it never shut down an engine during the flip like it was initially planned, maybe after the comment they found that way better. However they are looking into if the minimum throttle can go lower to allow a 2 engine vertical landing for redundancy. Going below 40% is difficult though.

@@Jaker788 you seem to have missed the part where I said Starship lands on 1 engine, and also talked about the very change to 3 for the flip then down to 1 for landing

@@Jaker788 the entire burn from flip to touchdown is called the landing burn by the way, as you can hear in official SpaceX comm-net call outs in the last few streams

They will not, they use the RCS for the flip maneuver.

Forgot to add: First orbital flight is planned with SN20 and BN3. And yes, afaik it doesn't have the Delta-V edit: thanks biolotoxin, it's BN3

@@kartoffelstranger9187 *BN3

@ceerw buty hahaha, i just find it scary if some one on top will be reached by that flame though. Like let's say, it might have a Leak, fire all the way.