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How to Make a Helicopter - DIY Helicopter at Home

Discover the fascinating journey of building your very own helicopter at home with our step-by-step guide. This video takes ...
Interesting Engineering on MSN

Video: YouTuber flies ultralight 249-lb microcopter on 6.5-mile trip with 60-hp engine

The SCH-2A weighs only 249 pounds empty, keeping it within the US Federal Aviation Regulations ultralight limit of 254 pounds ...