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appreciate if somebody can help me on the design calculation of the RTG crane....

I am stuck to understand the following formulas, used by MITSUBISHI to calculate as follow:

1. Moment of inertia for hoisting

= [Lifting weight (kg) x Lifting velocity^2 (m/min)^2] / [π^2 x motor rpm^2]

= [(52,920 kg) x (23 m/min)^2] / [(3.142)^2 x (1,000)^2]

= 2.84 kgm^2

Please help guys....tq

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# RTG crane design calculation

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