![]() ![]() Steam pressure came from the chemical reaction of combining two liquids, sodium permanganate (tank A) and hydrogen peroxide (tank B). These pumps - one to move liquid oxygen, the other to move alcohol - were steam powered. ![]() This was accomplished on the V-2 by using high-speed gas-turbine pumps, or turbopumps. Large liquid rocket engines require massive amounts of propellants to be fed into the combustion chamber quickly and under high pressure. An entire V-2 rocket is on display in the World War II Gallery. Two critical engine parts - the turbopump assembly and the thrust chamber - are components of the complete engine on display in the museum's Missile & Space Gallery. ![]() Very advanced for the 1940s, it paved the way toward more powerful rockets developed in the 1950s and later. The German V-2 of WWII featured the largest and most powerful rocket engine up to that time. Germany made about 6,000 V-2s during 1944-1945 and launched more than 2,600 against London, Antwerp, Liege, Brussels, Paris and Luxembourg. The V-2's liquid oxygen and alcohol propellants produced a thrust of 56,000 pounds, giving the rocket a maximum range of 220 miles, a ceiling of 50-60 miles and a speed of 3,400 mph. Its design also contributed to American rocketry following WWII. The engine was a technical achievement, using high-speed pumps to move large volumes of fuel into the thrust chamber very quickly. This rocket engine powered Germany's V-2 "Vengeance Weapon" during World War II. ![]()
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