Answer
A cikin majalisai masu jujjuyawa, ƙarfin centrifugal na iya haifar da igiyar igiyar ruwa ta karkata daga tsakiya idan ba a yi gwajin ta da kyau ba. Ya kamata a yi gwajin magudanar ruwa ko dai a kan OD ta ƙugiya ko kuma a kan ID ta hanyar sanda. Doka ta gaba ɗaya ita ce samar da izinin $0.010$ zuwa $0.020$ inci. Don matukin jirgi ID, $ID_{shaft} = ID_{spring, work} - \text{clearance}$. Don matukin jirgi na OD, $OD_{bore} = OD_{spring, work} + \text{clearance}$. Yana da mahimmanci a yi amfani da ma'aunin 'tsawon aiki' saboda bazara yana faɗaɗa radially akan matsawa. Rashin matukin jirgi daidai yana haifar da 'tafiya' na bazara, yana haifar da rashin daidaituwa da yuwuwar hulɗa tare da sauran abubuwan juyawa.