Why does the trim-control on some airliners like the Boeing 737 use peculiar large fast-spinning wheels instead of conventional levers or buttons that other flight controls like flaps, ailerons, elevators, or landing
B737Theory - Speed Trim System (STS) An electrical stabilizer trim input automatically controls certain aircraft attitude conditions when undergoing large thrust changes in the lower speed region, such as takeoff and go-around.
![Warm-Up – 10/2 – 10 minutes Utilizing your notes and past knowledge answer the following questions: Theoretically, what is the purpose of trim systems? - ppt download Warm-Up – 10/2 – 10 minutes Utilizing your notes and past knowledge answer the following questions: Theoretically, what is the purpose of trim systems? - ppt download](https://slideplayer.com/slide/14309227/89/images/6/Secondary+Flight+Controls+Trim+Systems.jpg)
Warm-Up – 10/2 – 10 minutes Utilizing your notes and past knowledge answer the following questions: Theoretically, what is the purpose of trim systems? - ppt download
![Trim system is not working”. Autopilot issue. Southwest B737 MAX 8 returned to Phoenix. Real ATC - YouTube Trim system is not working”. Autopilot issue. Southwest B737 MAX 8 returned to Phoenix. Real ATC - YouTube](https://i.ytimg.com/vi/FUkCUezL1NE/mqdefault.jpg)