Why can a helicopter ✈️ fly without a tail rotor and still remain perfectly stable?<br />In this video, we explain the amazing coaxial rotor system, where two main rotors spin in opposite directions, cancelling torque automatically.<br />#GearTypes #MechanicalEngineering<br />#GearMechanisms#SpurGear<br />#HelicalGear#BevelGear #WormGear<br />#EngineeringBasics#MechanicalDesign<br />#EngineeringEducation#Machinery<br />#TechExplained#STEM<br />#EngineeringTutorials#RackAndPinion
