|The Quest for the 300-m.p.h. Helicopter|
|Posted by: Digg on Dec 27th, 2008 2:00 PM|
|This year marked the passing of Frank Piasecki, one of the pioneers of rotary aircraft. Piasecki was perhaps best known as the man who successfully developed the first tandem-rotor helicopter, paving the way for long-serving military aircraft like the CH-47 Chinook and the CH-46 Sea Knight.
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