HeliTach for Pc

1. HeliTach has an "Electric" mode that listens to the sound of the blades and a "Nitro/Gas" mode that listens to the engine RPM to measure headspeed.

2. HeliTach records and processes audio samples continuously until the user tells it to stop and displays the measurement with the highest value or strongest signal.

3. Set the settings for the applicable mode, press "Measure Headspeed," and set the iPhone on the ground near the helicopter.

4. I can't guarantee accurate results on all helicopters, nor can I be held responsible for personal injury or damage to your iPhone or helicopter.

5. It works by recording an audio sample of the helicopter and using an algorithm to analyze the sound of the helicopter's blades or engine.

6. The "Electric" mode can work with nitro/gas helicopters but not vice versa.

7. HeliTach is an acoustic tachometer for radio controlled helicopters.

8. IMPORTANT: Make sure HeliTach has permission to use your device's microphone.

9. It has been tested with 250, 450 and 500-size electric helicopters with success.

10. It will ask the first time it's launched, but you can also change the setting in your device's privacy settings.

11. HeliTach uses an FFT algorithm written by Stephan M.

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