You'll probably get a better response if you post these questions in the modelling questions forum. Blogs aren't really designed for this sort of thing.

(very nice coaling tower and ash plant in your previous post btw)

Andy

Thanks Andy, still finding my way around the sites

Seconded on the coaling tower, a mighty monolith indeed!

Modelling questions forum is here

http://www.rmweb.co.uk/community/index.php?/forum/25-modelling-questions-help-and-tips/

Just click on the link!

Your jerky table sounds more like stickiness in the movement, rather than the drive. You need to sort that out before considering motorising. The movement on the table needs to be absolutely smooth.

Motorising brings attendant problems with alignment, that manual operation avoids.

Thanks devondynosoar118,  i`ll give that link a try next time.

I know what you mean Tim V, i think i`ll take another look underneath to see if i`ve missed anything but drive free it seems to turn quite well.