>Many gliders and helicopters have yaw strings. Airplanes don’t, because they usually have a slip/skid indicator which tells you the same thing. Comment from a

>Many gliders and helicopters have yaw strings. Airplanes don’t, because they usually have a slip/skid indicator which tells you the same thing. Comment from a glider instructor of my acquaintance: Yeah, and that big fan in front of the yawstring doesn't help. Might explain why yawstrings are more common in the twin engine case...