HELICOPTER - VIBRATIONS AND RESONANCE, PT 1, VIBRATIONS IN THE H-13

Duration: 12 min

Year Published: 1957

Creator: Department of the Air Force (Department of Defense)

Color: B&W

Sound: Optical sound

Description: Explains various types of vibration in the H-13 helicopter and how to determine the cause of each. Through animation, describes and traces to the cause each tell-tale vibration. Explains low, medium, and high frequency vibrations.