i've been obsessed with this sort of electromechanical flight instrument since i was a kid. how does the ball rotate in all directions? read Ken's thread to find out!
Reposted from
Ken Shirriff
When landing on the Moon, the astronauts watched an instrument called the FDAI that showed the spacecraft's orientation. The ball inside the Flight Director/Attitude Indicator rotated in three axes as the Lunar Module rotated. Let's look inside and see how it works. 1/N
Comments