There is a little motor, a fan, and coils. These coils heat up with the motor causing heat that heat is then pushed by the fan into the direction you want it.
You may want to include make and model, depending on the year some are vacuum operated and so forth. You may get more replies if you include that information, Also simply check the fuse first. If not...
The Tanker aicraft has a crew position in the rear of the aircraft. The crewman lies on his stomach and looks out a window that faces aft and down. This crewman has joy-stick controls that literally...