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An inside view of the concrete production factory located near Al Samwah, Iraq. The site was inspected and cleared by US Marine Corps (USMC) Marines assigned to the 1ST Marine Divisions Nuclear Biological and Chemical inspection team, as a suspected site for concealing weapons of mass destruction, during Operation IRAQI FREEDOM
FLUIDIZED BED COAL COMBUSTION RIG
Tunnel arch bricks. A tunnel in a brick building with a red fire hydrant
Salinas River Project, Cuesta Tunnel, Southeast of U.S. 101, San Luis Obispo, San Luis Obispo County, CA
HORNO DE PAN [Material gráfico]
Naval Magazine Lualualei, Waikele Branch, Tunnel Magazine Type, Waikakalaua & Kipapa Gulches, Pearl City, Honolulu County, HI
11-Inch High-Speed Tunnel. NASA public domain image colelction.
[Alterations at 5 Avenue Gabriel]
Franse studenten, Bestanddeelnr 901-6522
Related
11-Inch High-Speed Tunnel. NASA public domain image colelction.
Expedition 12 Landing. NASA public domain image colelction.
Expedition 10 Preflight. NASA public domain image colelction.
. NASA public domain image colelction.
Shuttle Destruction. NASA public domain image colelction.
11-Inch High-Speed Tunnel - NASA wind tunnel. Public domain image.
11-Inch High Speed Tunnel - Public domain drawing
11-Inch High-Speed Tunnel. Public domain image of NASA aircraft.
Sharper Vision. NASA public domain image colelction.
11-Inch High-Speed Tunnel. NASA public domain image colelction.
Summary
Construction of 5 Foot Vertical Wind Tunnel. The 5 Foot Vertical Wind Tunnel was built to study spinning characteristics of aircraft. It was an open throat tunnel capable of a maximum speed of 80 mph. NACA engineer Charles H. Zimmerman designed the tunnel starting in 1928. Construction was completed in December 1929. It was one of two tunnels which replaced the original Atmospheric Wind Tunnel (The other was the 7x10-Foot Wind Tunnel). In NACA TR 387 (p. 499), Carl Wenzinger and Thomas Harris report that "the tunnel passages are constructed of 1/8-inch sheet iron, stiffened with angle iron and bolted together at the corners. The over-all dimensions are: Height 31 feet 2 inches; length, 20 feet 3 inches; width, 10 feet 3 inches.
NASA Identifier: L4793