Probably self lubricating but I guess the ability to do so might vary between models.
Off the designers website:
‘Another thing I have done with this design is to only use inexpensive, common off the shelf parts. This allows NanoSeeker to remain extremely affordable.’
It’s quite worrying if you think about it 😕
What if a certain female was to possess such thruster 😯
Headlines………………………………
Woman rushed to hospital as vibro goes missing 😳
Or
Man medivacted off platform by helecopter whilst ROV broken down !
Wanton theft of company equipment 😯
So what’s it looking for, does it have a sonar/camera.
Maybe a doppler for auto pos. and DP, just for enormous flexibility in autonomous behavior of this vehicle.
Few ribs in the payload module for her pleasure than!