![]() This method of propulsion generated extreme heat, approximately 2,700˚C, inside the combustion chamber, which was cooled by the liquid ethyl alcohol flowing first to the base of the combustion chamber, then through the double-lined walls on its way to the injectors at the top of the chamber (see image 1). The pumps were driven by steam created by two auxiliary fuels, one made of T-Stoff (80% high-test hydrogen peroxide), the other 66% sodium permanganate and 33% water. A mixture of 75% ethyl alcohol and 25% water and liquid oxygen were delivered into a thrust/combustion chamber by two rotary pumps. It was powered by a liquid propellant rocket engine of liquid ethanol (which took 30 tons of potatoes to fuel a single launch) and liquid oxygen. It was 17 times more powerful than the largest rocket engine at the time and flew at five times the speed of sound. The final V2 design weighed 12,500 kg, was 14 m in length and 1.65 m in diameter. Developed by Wernher von Braun in 1936, it was developed from his research into liquid fuelled rockets during his time studying at the Technical University of Berlin with the Hungarian-German father of rocketry, Hermann Oberth. ![]() The V2 rocket was the first ballistic guided missile to use advanced rocket technology and to be used in war by the Nazi’s against the Allies. ![]()
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