Falcon Heavy back for launching Today after fixing trouble. New Starship Update…
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Falcon Heavy back for launching Today after fixing trouble. New Starship Update…
The SpaceX Starship at Starbase’s Orbital Launch Site is keeping the excitement alive, ensuring no dull moments. After a quiet Christmas break, things got lively with a vent party at the launch site. The tank farm testing included remarkable venting from the newly installed large horizontal tanks. Simultaneously, the Orbital Launch Mount (OLM) joined the action, actively participating in the activities. The significant purging observed from the liquid oxygen (lox) side of the tank farm and the OLM is likely part of a retest for the ground system, addressing issues that led to the static fire scrub of Booster 10 last week.
In fact, the super heavy booster 10 has a complex propellant distribution system using cryogenic liquid methane and liquid oxygen, with a unique landing tank connected to the center 13 engines to reduce propellant sloshing.
If you aren’t already aware, Super Heavy’s 33 Raptor engines are powered by cryogenic Liquid Methane (CH₄) and Liquid Oxygen (O₂), which are the fuel and oxidizer respectively. These propellants are stored in large “main” tanks and are fed into the engines through a complex series of pipes.
Super Heavy also features a Liquid Oxygen ‘landing’ or ‘header’ tank, a smaller, isolated reservoir designated for the landing burn. This tank is specifically connected to only the center 13 Raptor engines, minimizing the effects caused by propellant sloshing within the substantially larger main tank.
As per Ringwatchers, there are a total of 40 valves designated for the outer 20 Raptor Engines: 20 for Liquid Methane main tank supply and 20 for Liquid Oxygen main tank supply. Meanwhile, the inner 13 Raptor Engines have a total of 39 valves: 13 for Liquid Methane main tank supply, 13 for Liquid Oxygen main tank supply, and 13 for Liquid Oxygen landing tank supply. These complexities led SpaceX to encounter challenges with ground support equipment during recent testing. While specifics remain undisclosed, SpaceX continues its efforts to enhance manufacturing capabilities.
After the recent venting test, anticipation builds for Booster 10’s upcoming static fire trial. The success of this firing involving 33 engines would mark a triumphant conclusion to SpaceX’s 2023 endeavors. Scheduled for December 29, 2023, a road closure at Starbase hints at potential test activities. Should the B10 test not proceed as planned, a possibility looms for its return in the early days of January 2024, specifically January 3 and 4.
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