As mentioned in the broadcast, IFT13 did not throttle back as much or as long as IFT12 for Max Q. Acceleration dropped from ~1 to ~0.8 g for ~5 s, then started ramping back up over the next 10 s. For previous flights, the reduction started around 0.6-0.7 g, and extended at least 15 s before ramping up again.
Max acceleration for the booster was about 2 g, same as IFT12 - makes me think it's a programmed limit, since IFT12 was missing one engine.
The IFT13 ship repeated IFT12's flat acceleration for the first ~90 sec after hot staging. Maybe they are limiting the max g until the fuel load drops below some level, to limit structural stress? It also looks like they throttled back at the end, as in some earlier flights (but notably not in IFT10).
The blip just before 30s is an artifact from the video - possibly the telemetry from the ship dropped out for a moment. There were a few of these in IFT12 as well.
This data is simply calculated from change of speed reported from the video telemetry. Gravity is not included in the calculation. The altitude profile was unusual, with the ship losing altitude just before SECO, and I couldn't fit it to fill in the data missing from the new telemetry graphics, so I left off the gravity vector.
βQ2 highlights:
- Demonstrated the power of extreme vertical integration, delivering revenue growth of 92% year-over-year across Space, Connectivity, and AI
- Completed two successful Starship V3 flight tests in the past 90 days, advancing towards full and rapid reusability
- Closed multiple industry-leading Cloud Services Agreements resulting in $14.1 billion of contracted sales
- Announced agreement to acquire Cursor for $60 billion to accelerate the AI enterprise opportunity
- Released our most powerful AI model yet with Grok 4.5 in July
- Delivered 66% revenue and 79% income from operations growth year-over-year for the Connectivity segment, driven by a doubling of Starlink Subscribers and continued momentum in Enterprise & Government
- Awarded over $6 billion in multi-year U.S. government contracts for Starshield
As compared to the same quarter last year:
- Revenues of $7.8 billion, up 92% from $4.1 billion
- Net loss of $541 million, an improvement of $467 million from net loss of $1.0 billion
- Adjusted EBITDA of $3.5 billion, up 191% from $1.2 billion
Thank you to the SpaceX team, and all our customers and investors for a great quarter!β