Jiral comments on Anybody Who Thinks Orbital Data Centers are a Good Idea Is Suffering from AI Psychosis, Experts Argue

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[–] Jiral@lemmy.world 4 points 2 months ago (4 children)

Weight is always the issue with lifting stuff into space. Volume might merely be an additional issue.

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[–] humanspiral@lemmy.ca 1 point 2 months ago (2 children)

The $200/kg launch price target is based on 150 ton capacity. That's a $30m launch costs target. Volume/foldability matters the most because that is the actual constraint that limits datacenter launch to a single NVL72 size.

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[–] Jiral@lemmy.world 1 point 2 months ago (1 child)

Projected cost targets from SpaceX, especially for Starship are only losely related to reality. Weight is what determines the minimal required energy input to lift something into orbit. Independently from SpaceX number magic. Volume, like I said, can be an additional bottleneck but never undo the above.

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[–] humanspiral@lemmy.ca 1 point 2 months ago

most of the fuel weight required is to lift the rest of the fuel. Fuel costs is about $1m for full load. Rest of cost is huge staff, maintenance, and capital cost of rocket.

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[–] NotMyOldRedditName@lemmy.world 0 points 2 months ago* (last edited 2 months ago)

Starship is huge. I dont know how tightly they can fold these expected dishes, but by weight, they can amd will do 60 starlink v3, and itd be 50 datacenter dishes equivalent. How many they can actually launch is going to depend on how well the solar and radiator folds down, so it might be a volume issue vs weight where they cant launch with the max weight capabilities of the ship.

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