As technology has advanced over the years, helicopters have become faster and more capable, but there is no getting around the laws of physics -- particularly those that cause helicopters to vibrate.

The IAC-1209 has a highly developed rotor track and balance capability that provides an optimum set of corrections with the objective of reducing maintainer workload and errors.

One of the more interesting rotor systems is an intermeshing or synchropter configuration, which can be seen on the K-MAX helicopter.

The current process of Rotor Track and Balance (RTB) for helicopters usually involves many hours of test flights and painstaking mechanical adjustments. The KTP project aims to develop novel RTB ...

A Dhruv helicopter fitted with two-segmented rotor blades, and a main rotor head in pre-cone configuration, has ‘recently’ made its maiden flight, Hindustan Aeronautics Limited (HAL) announced on 30 ...

The drive shaft, also included in that fragment, works with the tail rotor gearbox to balance the speeds of the main rotors and the tail rotors, keeping the helicopter from spinning out of control.

What is a Jesus nut? The Jesus nut is the main rotor holding nut, or pin, that holds the main rotor to the mast of some helicopters, according to science and tech website Technology.org.

Designed by Sikorsky to test main rotor blades that rotate either clockwise or counterclockwise, the bi-directional whirl tower will enable helicopter operators and manufacturers to rebalance ...

Local News NTSB: Main rotor blade made contact with tail before deadly helicopter crash in Rowlett The Robinson R44 helicopter crash killed a flight instructor and a student pilot on March 25, 2022.

The supervisors allegedly commanded subordinates at the depot “to make false entries and certifications on UH-60 Black Hawk helicopter main rotor blade dynamic balance data sheets," the Justice ...