On September 22, 1905, Austrian rocket propulsion engineer Eugen Sänger was born. Sänger is best known for his contributions to lifting body and ramjet technology. Sänger also perfected a “regeneratively cooled” liquid-fueled rocket engine that used its own fuel, circulating around the combustion chamber, to control engine temperatures. Eugen Sänger studied civil engineering at the Technical Universities of Graz and Vienna. During his years of study, Sänger was inspired by Hermann Oberth’s book Die Rakete zu…Read more
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