Shortened propeller. Please advise.

[cheddarman]

Thanks for the update YvesDL, very enlightening.
The fact that the drone flies perfectly well indicates that, although that motor driving the shortened propeller is going to have to go a bit faster to compensate for the loss of a small amount of lift, it is still obviously within the operating range of the motor and its control system.
Sounds like the old bird's got plenty of life left left in it yet!