Intro to Aviation - Unit 2: Developing Flight 100% Correct

Intro to Aviation - Unit 2: Developing Flight 100% Correct Ornithopter da Vinci's aircraft design propelled by pedals causing flapping wings Air Screw da Vinci's design that resembles a helicopter, which never flew Inclinometer A tool used to measure the angle of tilt, showing the position the airplane is in Buoyancy the ability or tendency to float in water, air, or other fluid Archimedes Principle the buoyant force on an object is equal to the weight of the fluid displaced by the object Density Mass per unit volume (the amount of stuff in a given volume) Envelope The fabric of the balloon that holds in the air Gores The different sections of the hot air balloon's envelope Basket Part of the hot air balloon that holds the pilot and passengers Burners Used to ignite liquid propane and air to heat the inside of the envelope (balloon) Parachute valve The circular cut out on the top of the envelope, controlled by a long cord, which lets hot air out of the balloon so it descends