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GM Wind Tunnel
"...Put into operation in 1980, the GM Aerodynamic Laboratory is the largest wind tunnel in the world dedicated to automotive use (the only bigger tunnels are used by the aerospace industry). This wind tunnel features a 4,500 hp fan that can create winds up to 138 miles per hour. The GMAL, located in Warren (Michigan), consists of f six laminated spruce wood blades. The 43-foot diameter fan is powered by an extremely powerful electric motor capable of producing hurricane-force wind..." Continue Reading →
Photo credits: GM
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