Helicopter design in detail AutoCAD drawing, dwg file, CAD file

This architectural drawing is Helicopter design in detail AutoCAD drawing, dwg file, CAD file. A helicopter is a type of aircraft that flies by spinning or rotating its blades. In contrast to an aeroplane or glider, a helicopter has movable wings. A helicopter utilizes an engine to fly and is heavier than air, unlike a balloon. For more details and information download the drawing file.