Take them off.
The blades will become quieter as they are lengthened and able to spin slower. Unfortunately, neither of those are possibilities with the Phantom.
Yes, sir. Shorter blades need to spin faster.Length of the blades? Interesting!
The possibility does exist to modify other blade parameters to allow for lower rotation speed for a given thrust (area and pitch). Software changes and likely other components in the propulsion system would also require modification and the resultant system would require more current from the battery (not desirable) and would almost certainly be less efficient overall. We are entitled to believe that considerable investment has already been applied to design of the current system with efficiency and performance in mind.The blades will become quieter as they are lengthened and able to spin slower. Unfortunately, neither of those are possibilities with the Phantom.
Yes, sir. Shorter blades need to spin faster.
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