A Scientific Approach to Defeating Helicopter Vibration

Helicopter vibration is like toothache; many operators put up with it because the cure might be painful, but the more enlightened seek treatment. No operator likes to counterance the down‐time and disruption caused by traditional diagnosis and tuning methods. Nowadays, thanks largely to pioneering work carried out in this country, the cure for excessive vibration can be quick, sure and inexpensive. This article describes how the situation has been changed by the evolution of scientific tuning methods over the last fifteen years.