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Adlershof - Schallgedämpfter Motorenprüfstand

Posted by
daniela scharnowski (Berlin, Germany) on 4 September 2012 in Architecture and Portfolio.

Another Location Heinz and his lovely wife visited with me - the Aerodynamic Park Adlershof.

"The area (Adlershof) known today as the “City of Science, Technology and Media”, was once the Johannisthal airbase. Germany's first motorized aircraft took off from here at the beginning of the 20th century. Albatros, Fokker, Rumpler and Wright made Adlershof-Johannisthal famous. In 1912 the German Experimental Institute for Aviation (Deutsche Versuchsanstalt für Luftfahrt – DVL) made Adlershof its headquarter.
Laboratories, motor test beds, wind tunnels and hangars were erected in the 20s and 30s and are historical landmarks today." wiki


The Schallgedämpfter Motorenprüfstand (soundproofed engine test bed) was built between 1933 and 1935. It was used for testing aircraft engines - in particular, the propellers, which were often pushed to the point of disintegration in efforts to find their true limits. Propellers of up to 5m in diameter could be tested within the safe confines of the soundproofed building, which proved resistant not just to noise but also the bits of propellers which occasionally came flying off into the walls when the parts being tested reached breaking point.
The construction of the main part of the building is actually similar to the Großer Windkanal (the temporary scaffolding in the picture hides its shape slightly), with the outside walls only around 8cm thick. Soundproofing was achieved by the clever direction of airflows around the inside of the building, along with the use of sound damping materials. A ventilation system driven by a 500kW electric motor helped prevent the tested engines from overheating.
It now serves as a meeting point for the university's students, centered around a student-run café.
...
Dotted around in the grass of the Aerodynamic Park are these odd UFO-like objects. Every now and then, they'll start making UFO-like noises too. They are in fact an art installation called AIR BORNE, created by Stefan Krüskemper, with sound by Karlheinz Essl. It uses sounds from the Deutsches Rundfunkarchiv (German Radio Archive) which have been processed using software programmed by Essl, to form a composition of what he and Krüskemper call 'remembrance images'. According to the project's website, because of both the distance between the ellipsoids (that is, the UFO-like objects) and the amount of silence between the sounds, hearing the entire composition would take many years. journeytoberlin.com

PENTAX K-x 1/160 second F/14.0 ISO 100 18 mm

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Astounding Special Effects by Donna Lee Michas

My Fav by Florence

PENTAX K-x
1/160 second
F/14.0
ISO 100
18 mm

berlin
adlershof
aerodynamic-park
2012