| HeliWizard Rotor/Engine RPM Calculator |
| This calculator will allow you to determine accurate head speed, motor rpm, tail rotor rpm and gear ratios for your heli. |
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| Getting your heli's rotor speed right is key to a well performing helicopter. On a scale ship, one generally wants a lower rotor RPM (for appearance and performance). On 3D helis, a higher rotor speed is needed. Across the board, higher main rotor RPM is needed at higher altitudes. |
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