Fallturm Bremen
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Fallturm Bremen is a drop tower at the Center of Applied Space Technology and Microgravity at the University of Bremen in Bremen. It has a 123-meter-high drop tube (actual drop distance is 110 m), in which for 4.74 seconds (with release of the drop cap) and/or for over 9 seconds (with the use of a catapult, installed 2004) weightlessness can be produced. The entire tower, which is formed out of a reinforced concrete shank is 146 meters high.
The 123-meter drop tube is actually its own tower inside the concrete shell, only connected to the rest of the tower via the foundation, in order to prevent the transmission of vibrations caused by wind, which could otherwise result in the drop capsule hitting the walls.
External links
- http://www.structurae.de/de/structures/data/str11081.php
- http://www.reproteam-bremen.de/fallturm/
- http://rats.muenster.org/faecher/physik/exkursionen/fallturm/fallturm_bremen.htm
- http://www.zarm.uni-bremen.de/
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