What Fuel Launched Freedom 7? The Alcohol, Water and Hydrogen Peroxide Behind America’s First Astronaut
Freedom 7, the flight that made Alan Shepard the first American in space on May 5, 1961, was launched by a Mercury-Redstone rocket burning ethyl alcohol (ethanol, CAS 64-17-5) diluted with roughly 25% water, with liquid oxygen as the oxidizer....
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