$M_r=1200$

${}_1=0$

${}_2=\frac{}{2}$

${}_1=3$

${}_2=3$

${}_3=2$

$n=1200RPm$

$n_1=0\mathrm{.}8$

$n_2=0\mathrm{.}7$

$n_3=0\mathrm{.}9$

$=0\mathrm{.}02$

$v=$fly wheel material $($cast IRON$)$

Find:

$1-$Find the moment Graphic $M_r$ and $M_m$

$2-$Find the moment of inertia of the fly wheel

$3-$Find the FLY WHEEL Dimension

$4-$Find the Power of electric motor Pe