How do helicopters work? Why does a helicopter need a tail rotor? What is a quadrocopter? Join Jonathan and Chris as they look at the quirky contraptions called helicopters.Learn more about advertising on the HowStuffWorks podcasts at www.howstuffworks.com/advertisers.htmAnd to learn about your ad choices when listening to podcasts, visit https://www.howstuffworks.com/privacy.htm#ad-choices
