Helicopters stand among the many reasons why aviation is as important as it is today. These aircraft occupy various niches worldwide, ranging from extensive military applications, such as helicopters ...
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New photos raise questions about China's coaxial-rotor helicopter knockoff
New images recently emerged raise the possibility that China has built another compound helicopter demonstrator, following ...
The fundamental design principles behind rotary-wing aircraft date back to the Renaissance, with some of the earliest-known designs belonging to Leonardo da Vinci. Naturally, technology has ...
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