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some insight to the following problem I have here would be helpful.

I need to see if a conveyor is worth upgraded (i.e. see what the output Tonne/per hour is) from a belt 745mm wide, idler pulley 800mm wide... to a 800mm belt and 850mm wide idler pulley.

Lets assume the length of the conveyor is 17m

I have a conveyor with 3 idlers on an angle of 45 deg, and assuming an angle of repose of 25 deg.

currently there is a 18KW motor on there, and lets assume the idler pulley barrel is 300mm. I want to upgrade to a 30KW motor.

How do I go about working out the max possible T p/hr?

i assume i need the speed of the motor, get velocity. Find the volume of the material over the conveyor length?

Any help is appreciated.

Cheers