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## Main Question or Discussion Point

Hello, I would like to know the amount of torque required when the flywheel starts? I know that once at speed the flywheel doesn't require torque. I would also like to know what size of slip ring induction motor to run as the below mentioned speed.

The weight of the flywheel is= 6500 kg

( wt. shaft, flywheel boss and wall 2700 kg + mass 3800 kg = total 6500 kg )

RPM= 1550

Diameter=2200mm

Thanks for your help.

The weight of the flywheel is= 6500 kg

( wt. shaft, flywheel boss and wall 2700 kg + mass 3800 kg = total 6500 kg )

RPM= 1550

Diameter=2200mm

Thanks for your help.