Before the eyes of 3000 invited guests, the Opel RAK 2, Fritz von Opel's rocket car, set a speed record in 1928 at Berlin's AVUS race track. The Opel RAK 2 managed a top speed of 238 km/h with the help of 24 solid-fuel rockets packed with 120 kilograms of fuel. Fritz von Opel chose the high-speed AVUS track in Berlin because the company's racetrack was not engineered for speeds over 140 km/h. Men fix rocket boosters on the car. The car moves at a high speed. It releases large amount of smoke as it moves. Crowd watches the car. Photographers take pictures.
View of the Tempelhof airfield. One of Reinhold Tiling's recoverable rockets is fired and rises high above the field. As its fuel is exhausted, it levels off and begins to glide down to earth on its extended fin-wings. Tiling, his assistant Angela Buddenboehmer, and his mechanic Friedrich Kuhr, examine and pick up the recovered rocket as official observers gather around them. Tiling and his team pose, with the revovered rocket, for cameramen and reporters, Closeup of the rocket as Tiling touches the expended fuel cylinder. They then unfold fins and Tiling explains their function to reporters. Tiling and his team carefully raise another rocket on its launch frame at a different location, on sand dunes.Angela Buddenboehmer sits on the sand with the launch control as Tiling gives her the signal to close the circuit. The rocket fires and rises rapidly until its fuel burns out, when it begins to glide down on its wings.
Hermann Oberth performing a burn test on an Oxygen-alcohol fueled "Repulsor" rocket motor. Diagram of the 1 liter "Repulsor"motor and view of the actual motor, with electrodes atop it. The rocke motor on the ground. Hermann Oberth standing near an air-cooled rocket motor. External view of a combustion chamber of light metal, for 25kg of thrust. A view of interior is superimposed on it. A cutaway model is held in man's hand. He shows paths of fuel flow to combustion chamber and exhaust port. Hermann Oberth with his hand on the the actual rocket engine, as they prepare to fuel it with ethyl alcohol and liquid oxygen, at the Berlin Rocket field, in April 1932. The fuel cylinders are seen and vapors rise as they fuel the motor.. Using his hand, Oberth traces the paths of the oxygen and alcohol into the motor body, and the combustion exhaust path. The team steps back as Oberth pours alcohol into one side of the motor. The team steps back quickly and climbs stairs up a hill overlooking the test stand, where several other people await them. At the control site, they close the ignition circuit to the motor. Fumes flow down and flames flare up, but the rocket sustains a controlled burn fairly well, in spite of occasional flareups, and creates sustained thrust measured by the apparatus surrounding the test stand.
Germans celebrate formation of the Weimar Republic after World War 1. Soldiers parade as spectators watch. Their new President, Friedrich Ebert, is escorted by a Berlin Police officer, and followed by two statesmen, as he prepares to address the crowd at the Lustgarten. They walk past the Berlin Cathedral, where a woman speaker stands, slightly above the crowd, next to a large effigy of a woman. The President and statesmen tip their hats as they are saluted by a military officer. Army troops are assembled in formation. Cavalry on horseback parade, as spectators watch from the park. Scene shifts to President Ebert delivering remarks to assembled soldiers and spectators.
Adolf Hitler greet Japanese officers in Berlin. People walk in a hall. Three men stand together and talk. Men shake hands. General Walther von Brauchitsch arrives and sits with his officers. General walks in to a room. Officers follow him. He meets Adolf Hitler and shakes hands with him. Japanese officers stand in line, Adolf Hitler shakes hands with them one by one.
Frau von Ihne, wife of Ernst von Ihne, architect to the German Emperor, escorts a blinded German soldier (likely from mustard gas attack) onto a bus for an outing during World War 1. More disabled, blinded soldiers are helped to board, by other soldiers. As they board the bus, and it drives away, German troops, with shouldered weapons, continuously march past on the street. Scene shifts to Frau von Ihne, tending to refreshments for the soldiers, in a large hall containing tables set with decorative table cloths. Assisted by another woman and a German soldier, she is cutting a cake. Next she is seen serving soldiers seated at a table. A young man assists her. Many soldiers are then seen sitting at tables as Frau von Ihne and several other women attend to them. (Note: Frau von Ihne founded a home for blinded soldiers on Bellevuestrasse, in Berlin. This may be where the bus was parked at the start of the film.)
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