How Starship Will Launch For $87 Per Kilogram
发布时间 2021-06-09 19:00:09 来源
摘要
Elon Musk wants to launch Starship for just $2 million per launch which is the same as just $20 per kilogram. Such a launch price would be unprecedented as popular competitors in the market often have a launch price in the thousands of dollars per kilogram. Even a reused Falcon 9 has a launch cost of $15 million for SpaceX or about $658 per kilogram. As a result, there has been a significant amount of skepticism surrounding SpaceX's ability to reach a launch cost of just $20 per kilogram. However, there are major differences between Falcon 9 and Starship that may just make such a leap possible. For instance, the majority of the launch cost of Falcon 9 goes towards rebuilding a stage 2 for every launch and refurbishing the fairing. Starship is fully reusable, so SpaceX won't have to spend millions of dollars rebuilding portions of the rocket or refurbishing the fairing. Aside from this, Starship utilizes Raptor engines that are far more efficient than Merlin engines, and Starship is built with stainless steel which is much cheaper. This video explains the various advantages Starship has over Falcon 9 and why SpaceX may be able to complete Starship launches for $87 per kilogram.
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Timestamps:
0:00 - Starship
1:23 - Marginal Costs
4:41 - Fixed Costs
8:27 - Total Cost
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