国 上酒短大峰 Compound Gear Trains More than 1 gear on a shaft Allows for larger gear train ratios o ,Yiim"ge 的.Vi☑%， 10 明 的 5 4 ⊕ 圆上泽支大学 Compound Train Design @u 2 ) If N2=N,and N3=Ns 3 4 → → 0n= Reduction ratio 5 ou Will be used to determine the no.of stages given a reduction ratio 2 stages 44 Compound Gear Trains  More than 1 gear on a shaft  Allows for larger gear train ratios 2 4 3 5             out in N N ω ω N N Compound Train Design ωin ωout 2 3 4 5 2 4 3 5 in out N N ω ω N N           If N2=N4 and N3=N5 2 2 3 in out N ω ω N        2 3 2 in out ω N ω N        Reduction ratio 2 stages  Will be used to determine the no. of stages given a reduction ratio