The P3 needs props with a composite (plastic) threaded hub to ensure it doesn't throw a prop.
The P2 has metal threads that don't grip well enough.
Self tightening, yes. Self locking.. NO! P2 props have no drag on the threads to prevent them from spinning off during breaking, that the P2 didn't have. I'm looking forward to the post to hit saying someone's P3 fell from the sky, spinning wildly. Only to finally find out that they used the wrong props!They are self tightening...as long as your motors are spinning, aerodynamic drag will keep them on regardless.
I have props from a P2 and they fit perfectly, and also stay snug. I keep them as spares.
Self tightening, yes. Self locking.. NO! P2 props have no drag on the threads to prevent them from spinning off during breaking, that the P2 didn't have. I'm looking forward to the post to hit saying someone's P3 fell from the sky, spinning wildly. Only to finally find out that they used the wrong props!
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