Quote:
Originally Posted by ChopsZ
... the drone isn't really caused by the exhaust.
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Quote:
Originally Posted by ChopsZ
Please re-read my post. It's explained in there.
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Based on your understanding, I do not think you mean to suggest that different exhausts do not produce different frequencies. The exhaust is most certainly a key variable of the drone. Not that there aren't other factors like you explain. But to suggest that the exhaust is irrelevant to drone is wrong.