How a Helicopter Works (Bell 407)

Video Description

A detailed examination of how a helicopter works, using a well known make and model, demonstrated with physics and mechanical 3D visuals. CREDITS Jacob O'Neal - Research, script, narration, 3D modeling / animation, music Special thanks to Nick Aukland and the crew at Helicopter Maintenance Help Desk ( https://www.youtube.com/@HelicopterMaintenance ) for expert review. PATREON https://www.patreon.com/animagraffs SOFTWARE USED I use Blender 3D to create these models. It's free and open source, and the community is amazing: https://www.blender.org/ 0:00 Intro 03:18 Airframe 04:38 Engine 06:54 Turbine Section 08:41 Compressor Section 09:41 Drivetrain 10:36 Autorotation 11:44 Freewheeling Unit 13:46 Drivetrain Forward 14:38 Transmission 17:03 Drivetrain Aft 20:07 Fuel 20:28 Main Rotor 25:20 Coriolis Effect 25:54 Dissymmetry of Lift 27:12 Gyroscopic Precession vs. Phase Lag 28:53 Main Rotor Breakdown 29:22 Blade to Rotor 31:44 Blade Construction 32:58 Flight Controls from Rotor 33:29 Swashplate Assembly 36:25 Flight Controls to Cockpit 40:22 Cockpit Controls 42:36 Directional Controls (Tail Rotor) 43:56 Tail Rotor Breakdown 48:33 Cockpit Pilot View 54:44 Final Cutaway