Rotor Blade Repair

Universal Static Balance Fixture (USBF)

The Virtual Master Blade


The Virtual Master Blade

The Virtual Master Blade (VMB) is the designation for our tail rotor balancing kit. It has been approved by the U.S. Army for both the AH-64 and UH-60 tail rotor blades and for balancing the UH-60 main rotor tip cap. Custom systems are also being used by foreign military and commercial customers for specialized blade requirements. The system, like the USBF, is now built upon a Windows-based platform and provides a user-friendly environment for balancing a rotor blade. Most blades can be evaluated in less that five minutes, and can be balance within one hour. This system provides a standard hardware and software configuration that will be supportable well into the future. It is accurate, repeatable, and easy-to-use. It provides a kiosk style interface much like the computer systems that you see and use at your local bank or grocery store.

Static Balancing simply makes sense. The VMB provides the tool your maintenance personnel need to return the tail rotor blade to the manufacturer’s static balance specification. It provides the operator with a good, safe starting point for dynamic rotor track and balance (RTB).When mixing old and new tail rotor blades, the VMB will minimize the vibration experienced on the first test flight and reduce the number of test flights required.

Windows VMB



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