Umthamo wethangi likaphethiloli ungahlangabezana nezidingo zokusebenza okuqhubekayo isikhathi esingaphezu kwamahora ayi-10, kunciphisa imvamisa yokugcwalisa uphethiloli kanye nesikhathi sokungasebenzi. Ifanelekela izindawo zokwakha ezikude kude neziteshi zikaphethiloli, ukumba imigudu, kanye nezinye izimo zokusebenza okuqhubekayo, okuthuthukisa ukusebenza kahle kokwakha.
Iyunithi eyinhloko kanye nenjini yedizili kuxhunywe ngqo nge-coupling ene-elasticity ephezulu, kususa amagiya akhulisa isivinini, okuholela ekusebenzeni kahle kokudlulisa okuphezulu kanye nesilinganiso sokuhluleka esiphansi. Umklamo we-screw rotor enobubanzi obukhulu uvumela isivinini esingadluli ku-2400 r/min, kanye nezikhawu zokulungisa zamahora angu-40,000-80,000.