Musk said BFR2 was constrained by what could be built using SpaceX existing facilities...
The tooling for the main tanks has been ordered, the facility is being built. We will start construction of the first ship around the second quarter of next year, so in about six to nine months we should start building the first ship.
Q: Where will the BFR be built?A: We're looking at building a facility by the water in LA. We thought we'd build it in our factory in Hawthorne, but we priced transport to the harbor, and it came out to $2.5m per trip. It would require taking down stoplights, and just wouldn't be worth it. So we will build a new facility by the water. We will eventually also have a number of production sites by out launch sites.
The problem with launching BFR from 39a is SpaceX needs 39a to pay the bills with launches every couple weeks indefinitely. BFR can’t use it without a lot of modifications that would interfere with it launching F9 and FH all the time.
39b is being set up as a multi user pad from what I have heard. Why not launch BFx from there?
Did I read somewhere that Brownsville is where be-commissioned aircraft carriers go to die ? Mmmm....Big flat deck. Ample room for facilities and fuel.
Just a few tenths of a cent of speculation I've been throwing around is a hybrid catamaran/barge ASDS. Basically something along the lines of two current ASDS type barges, with a platform spanning between them. This could give something close to the known quantity of stability of the current ASDS, but increase the available size. Also fits with the incremental approach of testing these types of systems, building off knowledge they already have. Still has a large mobility drawback, and might not offer enough stability for cradle landings, but I think this is something that will be tested soon with a "surplus" F9 (100% baseless speculation sorry) and I also think the OctoGrabber is at least half of this equation that unfortunately hasn't been able to be tested as they would like just yet.
Quote from: wannamoonbase on 01/02/2018 10:12 pmI don't think BFR as shown to us so far is a given. It will evolve and mature with time, it will be larger than FH and be a very impressive vehicle, but maybe not the monster we've seen.What you say doesn't seem to agree with Musk's statements at IAC 2017:Quote from: Elon MuskThe tooling for the main tanks has been ordered, the facility is being built. We will start construction of the first ship around the second quarter of next year...Note that the second quarter of 2018 is now just 13 weeks away. So if Musk's statement is true, the design for BFR is pretty much nailed down, and they're getting ready to manufacture it.
I don't think BFR as shown to us so far is a given. It will evolve and mature with time, it will be larger than FH and be a very impressive vehicle, but maybe not the monster we've seen.
The tooling for the main tanks has been ordered, the facility is being built. We will start construction of the first ship around the second quarter of next year...
Quote from: Dave G on 01/03/2018 02:50 amQuote from: wannamoonbase on 01/02/2018 10:12 pmI don't think BFR as shown to us so far is a given. It will evolve and mature with time, it will be larger than FH and be a very impressive vehicle, but maybe not the monster we've seen.What you say doesn't seem to agree with Musk's statements at IAC 2017:Quote from: Elon MuskThe tooling for the main tanks has been ordered, the facility is being built. We will start construction of the first ship around the second quarter of next year...Note that the second quarter of 2018 is now just 13 weeks away. So if Musk's statement is true, the design for BFR is pretty much nailed down, and they're getting ready to manufacture it.Elon makes a lot of promises that don't always come true. Based on what was shown at IAC 2017 the design is no where near being finished and they are still refining the concept.'Tooling for the main tanks has been ordered' probably just means that they have ordered some AFP machines and/or layup tools that are relatively agnostic to the final design. 'We will start construction of the first ship around the second quarter of next year' probably means that they plan to start making manufacturing demonstrators on new tooling, maybe start manufacturing a suborbital test vehicle before the end of the year.I would bet that IAC 2018 will bring some significant changes to the overall vehicle /architecture and the amount of progress will be much less that people here seem to expect.
Quote from: RDMM2081 on 01/05/2018 07:45 pmJust a few tenths of a cent of speculation I've been throwing around is a hybrid catamaran/barge ASDS. Basically something along the lines of two current ASDS type barges, with a platform spanning between them. This could give something close to the known quantity of stability of the current ASDS, but increase the available size. Also fits with the incremental approach of testing these types of systems, building off knowledge they already have. Still has a large mobility drawback, and might not offer enough stability for cradle landings, but I think this is something that will be tested soon with a "surplus" F9 (100% baseless speculation sorry) and I also think the OctoGrabber is at least half of this equation that unfortunately hasn't been able to be tested as they would like just yet.BFR is powerful enough that all missions will return the booster to the launch site. 100% RTLS. Elon made this clear in both IAC presentations. Remember, their goal is full and rapid reusability. ASDS doesn't allow that. So the current concept of landing a booster on a barge far down range, that's a temporary solution. Once F9 and FH are retired in favor of BFR, SpaceX will stop using ASDS. If you're talking about the possibility of a floating launch site, that would need to be huge. Much larger than a pair of barges. Much larger than an aircraft carrier. Remember, we're talking about 5,400 tons of thrust at takeoff. To counteract that on a floating platform, it would need to be really, really huge. For this reason, I believe a floating launch site for BFR is extremely unlikely.Much more likely would be a fixed launch platform 5-10 miles offshore. This would have legs that physically connect it with the ocean floor, so it would be more like a small man-made island than a huge boat. Note that the ocean floor is very shallow for miles off the coast of Boca Chica and Cape Canaveral. In addition, they could have cables and pipes running underwater back to shore, so they would only need to store a relatively small amount of LOX and liquid methane on the fixed offshore platform, plus chillers. I believe this is the option Elon showed at IAC 2017.
Elon makes a lot of promises that don't always come true. Based on what was shown at IAC 2017 the design is no where near being finished and they are still refining the concept.
So then getting back to the question of how do we pay for this system, this is really quite a profound — I won't call it breakthrough, but realization that if we can build a system that cannibalizes our own products, makes our own products redundant, then all of the resources, which are quite enormous, that are used for Falcon 9, Heavy, and Dragon, can be applied to one system.Some of our customers are conservative and they want to see BFR fly several times before they're comfortable launching in it, so what we plan to do is to build ahead, and have a stock of Falcon 9 and Dragon vehicles, so that customers can be comfortable if they want to use the old rocket, the old spacecraft, they can do that, we'll have a bunch in stock. But then all of our resources will then turn towards building BFR. And we believe that we can do this with the revenue we receive for launching satellites and for servicing the space station.
The second stage is not designed for reuse on the Falcon 9 or the Falcon Heavy... On missions with extra propellant, we want to bring it back to see how it behaves, not to recover or reuse... Fairings have been recovered. We expect recovery will be good enough to start regularly reusing them in the first six months of next year.
just my opinion: Gwynne has said the Los Angeles waterfront for building the first BFR/BFS factory (Hawthorne for Raptor Engines); This will probably be from 2018 to 2030 time frame before building factories near the launch pads that they will have by then... Testing and Launches could begin as early as late 2019 - early 2020... operational Launches could start as early as Late 2020 - Early 2021... on an optimistic schedule to be sure.. but I believe if all goes well is feasible.. naturally, as with everything, it is probable that there will be slips to the right...
They'll do ground testing of finished cores at Vandenberg because of it's proximity...Then a few test launches at Vandenberg and landings... some later tests will be to land at various other finished launch pads around the country; either point to point suborbital or after a few orbits...Then as production ramps up, they will continue to do distributive launches from Vandenberg to other launch pads, to prepare for entry into service; I think we can forget about barges through the Panama Canal
Quote from: cro-magnon gramps on 01/09/2018 05:18 pmjust my opinion: Gwynne has said the Los Angeles waterfront for building the first BFR/BFS factory (Hawthorne for Raptor Engines); This will probably be from 2018 to 2030 time frame before building factories near the launch pads that they will have by then... Testing and Launches could begin as early as late 2019 - early 2020... operational Launches could start as early as Late 2020 - Early 2021... on an optimistic schedule to be sure.. but I believe if all goes well is feasible.. naturally, as with everything, it is probable that there will be slips to the right... Totally agree.Quote from: cro-magnon gramps on 01/09/2018 05:18 pmThey'll do ground testing of finished cores at Vandenberg because of it's proximity...Then a few test launches at Vandenberg and landings... some later tests will be to land at various other finished launch pads around the country; either point to point suborbital or after a few orbits...Then as production ramps up, they will continue to do distributive launches from Vandenberg to other launch pads, to prepare for entry into service; I think we can forget about barges through the Panama Canal Not sure about Vandenberg. Once BFR is on water, any coastal launch site is relatively easy. Also, for the first test with a brand new vehcile of this size, Vandy may not be the easiest place to get approvals.
Quote from: Rabidpanda on 01/09/2018 05:28 amQuote from: Dave G on 01/03/2018 02:50 amQuote from: wannamoonbase on 01/02/2018 10:12 pmI don't think BFR as shown to us so far is a given. It will evolve and mature with time, it will be larger than FH and be a very impressive vehicle, but maybe not the monster we've seen.What you say doesn't seem to agree with Musk's statements at IAC 2017:Quote from: Elon MuskThe tooling for the main tanks has been ordered, the facility is being built. We will start construction of the first ship around the second quarter of next year...Note that the second quarter of 2018 is now just 13 weeks away. So if Musk's statement is true, the design for BFR is pretty much nailed down, and they're getting ready to manufacture it.Elon makes a lot of promises that don't always come true. Based on what was shown at IAC 2017 the design is no where near being finished and they are still refining the concept.'Tooling for the main tanks has been ordered' probably just means that they have ordered some AFP machines and/or layup tools that are relatively agnostic to the final design. 'We will start construction of the first ship around the second quarter of next year' probably means that they plan to start making manufacturing demonstrators on new tooling, maybe start manufacturing a suborbital test vehicle before the end of the year.I would bet that IAC 2018 will bring some significant changes to the overall vehicle /architecture and the amount of progress will be much less that people here seem to expect.That's a pretty wishy-washy bet, can you make it something objective so we can actually bet on it?
Fair enough! I predict the following for IAC 2018:-Elon will show off pictures of a full scale production Raptor engine, but it will not have been test fired yet.-The OML of BFR+BFS will have significant (noticeable) changes from what was presented at IAC 2017.-Detailed plans for a suborbital test BFS will be discussed and the composite tank for it will be shown in some state of production.-Elon will give the system a cool name and get people hyped with another video.
-Elon will show off pictures of a full scale production Raptor engine, but it will not have been test fired yet.
-The OML of BFR+BFS will have significant (noticeable) changes from what was presented at IAC 2017.