I remember seeing a toy rc car that used this type or population when i was really little.
Research yaaa.
https://www.youtube.com/watch?v=JfYAFTCkkd0
I could see this being a strong FTC drive train when there is a large amount of small objects on the field.
You could also put the motors for movement in the screws. I don't think the tilt feature would really be needed.