Elon Musk says SpaceX has to improve 1000% to 10000% over Falcon 9 to get to what Starship needs to be.
$10 million is the cost of the Falcon 9 upper stage.
Using helium and jet fuel makes Falcon 9 more expensive.
Recovering the Falcon 9 booster and recovering the fairings also adds costs.
It costs $2 million to refurbish the Falcon 9 booster.
The Methane uses more oxygen. Methane is cheaper than RP1. 3.5 times the Methane is the Oxygen. RP1 uses 2.5 times fuel with the oxygen.
Oxygen is super cheap.
Gwynn Shotwell thinks SpaceX has learned from Crew Dragon. SpaceX should be able to fly humans on Starship within 3 years instead of the six years for crew dragon.
Hundreds of improvements in manufacturability primarily (this is by far the hardest problem), mass down, thrust up, Isp up. Current improvement list continues past SN50. As the saying goes, it’s 1% inspiration & 99% perspiration …
— Elon Musk (@elonmusk) June 10, 2020
SOURCES- Elon Musk, Gwynn Shotwell, Warren Redlich Youtube
Written By Brian Wang, Nextbigfuture.com
Brian Wang is a Futurist Thought Leader and a popular Science blogger with 1 million readers per month. His blog Nextbigfuture.com is ranked #1 Science News Blog. It covers many disruptive technology and trends including Space, Robotics, Artificial Intelligence, Medicine, Anti-aging Biotechnology, and Nanotechnology.
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