Charlie Kocourek's height adjustable plans are based on using a motorcycle jack or an RV jack like -
https://www.princessauto.com/en/2-pk...t/PA0008516684

His idea uses a drill on the end of the jack's threaded rod. I'm thinking a small stationary motor and nut on the arbour connected to the threaded road to raise and lower the jack.

Does anybody here have any ideas.

​​​​​​​Thanks.