Hng dn thit k n chi tit myThit k hp gim tc mt cpI. Yu cuThit k mt b phn my phi tho mn nhng ch tiu v b, cng, bn mn. . .!"y n#i cch khc phi tho mn cc yu c$u k% thut, gi th&nh h', t(nh m% thut c"o. )u*n tho mn cc yu c$u t+n phi, -." ch/n vt -i0u, kt c1u h2p -3, t(nh ton ch(nh 4c, ch/n ph5ng php gi" c6ng cho n7ng 8u1t v& hi0u 9:" c"o.II. Ti i!u th"m kh#;. T(nh ton thit k h0 . T(nh ton thit k h0 ?. @hi tit my Ah"i tpBC. DE n @hi tit my F GguyHn I7n Juyt III. Tin hnh thit k.;. Gghin cu t&i.>. Kc Lnh kt c1u chung?. T(nh ton thit k kt c1u nhng b t+uyn c5 bn A"i, bnh +7ng, t+Mc, -." ch/n NBC. Iit thuyt minhO. IP mt bn vP -Qp hp gim t*c mt c1pI$.%i dung th& hi!n '( phn)RSi n#i $u.@h5ng ;. ThUn t(ch cc th6ng 8* b"n $u@h5ng >. T(nh ton thit k b t+uyn "i@h5ng ?. T(nh ton thit k b t+uyn bnh +7ng@h5ng C. T(nh ton thit k t+Mc@h5ng O. T(nh ch/n N t+Mc@h5ng V. T(nh vW hpT&i -i0u th"m kho.)Mc -Mc.1*h+ng ,. -h.n t/ch cc th0ng 1 2"n u1.1. Chn ng c Chn ng c c tin hnh theo cc bc sau:+ Tnh cng sut !u c"u c#a ng c+ $c %nh s b s& '(ng )ua *ng b c#a ng c+ +,a 'o cng sut c"n thit ' s& '(ng )ua *ng b- .t h/ 'i cc !u c"u .hc chn ng c /h0 h/1 Cng sut yu cu ca ng c:tycPP =t2ong 3: 4c 1 cng sut !u c"u c#a ng c- .54t 1 cng sut tnh ton t2!n t26c 7 cng tc- .58 1 hi9u sut t2u:n ng: 8 ; 81