ABOUT SENSATIONS

[Music] [Applause] [Music] [Music] inside a typical navy billet is lieutenant hank morgan just an ordinary naval aviator diligent judas interested in as sensations a man of unwavering powers of concentration a man who uses his head did you ever consider what might be inside a head [Music] especially uh naval aviator's head the central operator or head man is known as mr whale [Music] but uh mr william has to make the decisions and he needs help which he gets mainly from the visual sensory operator known as 2020 and the memory department called memo for short he's an efficient fellow but uh well he forgets [Music] against mission at 1400 [Music] in the air is speeder on the ground and all of his sensory operators are on their toes and this is inner ear operator called otto eager ambitious been out of work for some time but he's [Music] helpful [Music] i believe i can help you mr wheel i'm handling a brand new sensory organ like to call it the otolith very sensitive responsive to g and acceleration and the effect stays with you what have you got on otolith for me uh well uh okay we'll try [Music] um how does it feel fine but good don't worry we've got a green ticket and we're still straight and level [Music] [Music] to demonstrate one of the ways in which a pilot may be misled by reliance on his senses let's examine the functioning of the otolith a small organ within the inner ear its many tiny sensory hairs give the sensation of turning representing these by one we can see how it functions see sitting upright on the ground the force of g due to gravity holds the hair upright when we tilt the g bends the hair causing the sensation of leaning in the air a bank during a turn does not cause the hair to bend since the force due to gravity combines with the centrifugal force of the turn to hold the hair in place thus the otolith causes no sensation of tilting if i i may explain rely upon your instrument's pen the best indicator of attitude [Music] [Music] is you