Esky Screw-pitch gauge

EK1-0348 Screw-pitch gauge, 000316
Method of application
Tips: when measuring the pitch angle, the swash plate and the fly bar of the helicopter should in the same horizontal plane.
1. Please undraw the blade slot with your hands.
2. Place the Gauge into the helicopter blade of the pitch which need measurement.
3. Move the Gauge upward and downward to make sure the zero line is in the same plane with the fly bar, and then the number between the zero line of the Gauge hand is the pitch angle.