What's up with motors ?

[gunga galunga]

Will someone please explain these motor gizmos.

 

[DoomMeister]

They appear to be a protective cover to keep dirt out out of the motor while in storage or transport.

 

[gunga galunga]

They appear to be a protective cover to keep dirt out out of the motor while in storage or transport.

Thank you.
OK, what are the bottoms ? Reinforcement for the known plastic cracking around the motors mounts. I've looked at hundreds of Phantoms and never seen this thing.

 

[gunga galunga]

Will someone please explain these motor gizmos.

Thank you.
OK, what are the bottoms ? Reinforcement for the known plastic cracking around the motors mounts. I've looked at hundreds of Phantoms and never seen this thing.

Connection point for prop guards??

 

[DoomMeister]

Connection point for prop guards??

I think you may be absolutely on target there.

 

[Oso]

Connection point for prop guards?? Reinforcement for the known plastic cracking around the motors mounts.

You are correct with both of your guesses. They are prop guard mounts. They were also used by some in an effort to reinforce the area under each motor that was known to crack.
In addition to using those prop mounts for reinforcement, there were also reinforcement plate kits available at the time. I seem to recall that DJI also modified the shell on later production runs.

Often when people removed those prop mounts, rather than using the original shorter motor mounting screws they instead reinserted the longer prop mount screws and damaged their motor windings. It's so sad how often that happened back in the day.

As for the motor covers, I have them on all of my drones.