Vibrations Destroy Performance. It's Time to Destroy Vibrations

Our Technology

Over an 18-month USAF Air Combat Command Study “07-196R (7-04), HH-60 Track-and-Balance Vibration Information Solution Refinement Software Operational Utility Evaluation,”  the IVT VIBS platform was selected as the top track-and-balancing methodology and immediately added to the USAF Technical Order as an approved balancing methodology (T.O. 1H-60(H)G-2-15, page 1-5, paragraph 1.2.8 “Alternate Adjustment Solution”).


The U.S. Air Force study included 24 HH-60s across four different bases.  The results below are the average of the entire fleet over the length of the study using all flight profiles.  Consequently, we believe this data reinforces why VIBS is the world’s best track and balancing solution:

·        Main Rotor (avg. ips):  0.094

·        Tail Rotor (avg. ips): 0.047

·        Independent Drive Shaft (avg ips): 0.157



Furthermore, the Air Force reported the following savings in man-hours used and maintenances adjustments over the course of the study for VIBS:

·        Main Rotor System:   75% reduction in number of adjustments; 95% reduction in man-hours

·        Tail Rotor System:     65% reduction in number of adjustments; 88% reduction in man-hours

·        Engine Driveshafts:   55% reduction in number of adjustments; 78% reduction in man-hours


The final AATC evaluation of VIBS was:

-        “It significantly reduces the number of maintenance touches, runs, and number of hours required to balance the main rotor, drive shaft, and tail rotor on the HH-60 aircraft.


Procurement and fielding of the software, or similar software using the same balancing algorithms, is recommended.”


OUR Technology

Tracking and balancing rotating systems along multiple axes represents one of the most difficult procedures conducted by maintenance personnel. Though current track and balance equipment has been adequate in providing information on vibration levels and phase angles, it has been ineffective in providing maintenance solutions that are easy and quick to implement and consistently reduce vibration levels below acceptable standards. 


Even though the same equipment and solution output is used by both experienced and inexperienced mechanics alike, great disparity exists in the amount of time taken between the two groups to achieve acceptable vibration levels before the aircraft can be released for mission duty.Additionally, parts such as rotor blades, hub assemblies and bearings without any noticeable flaws or defects, are often unnecessarily replaced and sent back to depot, with expensive replacements requested. 

The consequences of higher vibration levels is the reduced useful life of the platform, its avionics/equipment and related sub-systems. This also creates higher and more costly maintenance requirements, diminishes safety of flight for crews, reduces mission readiness and increases the total cost of ownership (TCO).

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Through nearly two decades of research and development, IVT's Founder and Chief Technologist, Norman Serrano, identified key mathematical errors in the processing algorithms used in all current track and balancing equipment.


As a result, our patented physics engine calculates an optimal single type of adjustment per run for data collected, incorporating advanced, platform and platform specific mathematical algorithms to formulate an optimal working solution for each device being balanaced. Furthermore, as a learning algorithm, VIBS adapts, calculating quicker and more accurate solutions with continued use. The result is that VIBS leads to better and faster balancing solutions than any platform on the market today.



For example, on helicopters, statistically pitch link adjustments are performed in error more often than any other adjustment type (the second highest being trim tabs).  The VIBS single-adjustment approach, coupled with its patented learning algorithm and error-checking routines, collects and analyzes vibration magnitude, phase angle, tracking, lead-lag measurements, balance weights and other relevant data to calculate the optimal single-adjustment recommendation.  


IVT’s patented Vibration Intelligent Balancing Solution (VIBS) solves for these errors and provides balancing solutions that are up to 70% faster and 90% more accurate than any other current technology.

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