What are the spinning wheels in an airliner's cockpit?

In the case of a certain Regional Jet, an installation which resembles a cylindrical brush mounted on a roller engages with the nose wheel tire as the nose gear is retracted in the nose gear bay. This cleans off the tire and also stops the wheel from spinning before the nose gear doors close. read more

Each trim wheel actually has a handle which comes out horizontally to aid the pilots in manually trimming. It's important, in the 737-800 anyway, to make sure that these are stowed properly, as the trim wheel moves very quickly and these handles can bash you on the knee. The noise you hear from the cockpit are these trim wheels. read more

In the picture, you have the most popular rapidly spinning trim wheel in the world from the Boeing 737. The trim wheel controls the trim system on the aircraft. In this case, this wheel controls the horizontal stabilizer trim. That system is used to allow the plane to stabilize at a particular airspeed. read more

Trim wheels. In the picture, you have the most popular rapidly spinning trim wheel in the world from the Boeing 737. The trim wheel controls the trim system on the aircraft. read more