Balancing Guides

Rotor & Propeller
Balancing Guides

Practical, no-nonsense guides to vibration analysis and rotor balancing — written to be used alongside BalancePro, our free browser-based balancing calculator suite.

Vertical Balancing

How to Balance a Helicopter Main Rotor: Trim Tab Adjustment Explained

Excess main rotor vibration accelerates fatigue on drive components and fasteners — and it's one of the most common airworthiness write-ups on rotorcraft. Here's the practical, step-by-step process for correcting it via trim tab adjustment.

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Single & Two-Plane Balancing

Choosing the Right Trial Weight for Rotor Balancing

Every balancing job starts with a trial weight — and guessing wrong burns a flight cycle on a useless data point. Here's the calculation behind picking the right one, and why it matters.

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