Only bin playing space engineers for about 3 months and I can hands down one of my favourite
Mods easy to build for a newbie and it eats through rock like its paper

They should never hold stone. Is it one drill or all drills? If one drill, look to see if a stone got jammed when ejecting; that sometimes happens. If all drills, exit completely out of SE and Steam, and reload and try again; doing this usually fixes these kinds of problems.

When mining, after i make a trip the drills fill up with stone and wont eject. Any fix?

(I should have also reiterated that the tonnage listed above is based on a realistic (1X) cargo setting.)

Yeah, it'll adjust itself for the player, whether you're playing cargo with 1X, 3X, 5X, or 10X settings, although the thrusters at some point will not keep up with the ore capacity at the higher settings (I think). This spud will certainly carry a decent load, that's for sure.

using it in my world have some inventory setting changes and so far i have 442 tones and still mobile