In SpaceX’s latest blog post on the Flight 3 report and upcoming changes for Flight 4, they mentioned: "Upgrades derived from the flight test will debut on the next launch from Starbase on Flight 4, as we turn our focus from achieving orbit to demonstrating the ability to return and reuse Starship and Super Heavy. The team incorporated numerous hardware and software improvements in addition to operational changes, including the jettison of the Super Heavy’s hot-stage adapter following boost back to reduce booster mass for the final phase of flight."
So, what is meant by hot-stage adapter jettison? Before directly addressing that, let’s go back to Flight 2. After Flight 1, SpaceX introduced the concept of hot-stage separation for the Starship Super Heavy to increase the efficiency and payload capacity of the spacecraft. In this method, most of the 33 Raptor engines on the Super Heavy booster are turned off, but a few remain firing when the engines on the Starship upper stage are ignited. This avoids the loss of thrust during traditional stage separation, where the lower stage shuts down first.
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Chapters:
0:00 - Intro
0:17 - HSRE Decision Explanation
3:20 - Why More Mass is Bad?
5:00 - Reusability Part
7:33 - Rocket Lab Prefire Launched
10:14 - Outro
Image Credits:
SpaceX
Rocket Lab
Video Credits:
SpaceX
NASA
IamVisual
RyanHansenSpace
RyanHansenSpace
/ ryanhansenspace
IamVisual
/ iamvisualvfx
NickHenning3D
/ nickhenning3d
#starshiplaunch #spacex #starship
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