First Ever Robot Build: Invertible Featherweight Vertical Disc Spinner

[Max]

Sorry for the thread hijack but I've got a 650W pillar drill and it struggles even drilling a 6mm hole in mild steel, the motor itself does not stall but the belts slip even in it's lowest gear ratio. Any ideas why this is happening? Should I replace the belts with slightly smaller ones?

[overkill]

Sorry for the thread hijack but I've got a 650W pillar drill and it struggles even drilling a 6mm hole in mild steel, the motor itself does not stall but the belts slip even in it's lowest gear ratio. Any ideas why this is happening? Should I replace the belts with slightly smaller ones?

The belts that come with cheap bench drills are usually complete crap. Try replacing the belts with cogged versions as they have more grip. You can usually get cogged belts at engineering or auto spares stores, or on line. There should be a short tensioning lever somewhere of the drill head; adding a length of pipe to the lever lets you get much higher tension on the belts.