● Mīhini Matua: ka hono tika te mīhini matua me te mīhini tīhiera mā te hononga tere teitei me te hoahoa rotor diameter nui o te tuatoru o ngā whakatipuranga 5:6, ā, kāore he taputapu piki i waenganui. He rite tonu te tere o te mīhini matua ki te tere o te mīhini tīhiera, ā, ka tutuki te pānga tuku. He tere ake, he pono ake, he roa ake te ora.
● Mīhini tīhiera: ko te whiriwhiri i ngā mīhini tīhiera rongonui o te motu me tāwāhi pērā i a Cummins me Yuchai e tutuki ana i ngā paerewa tukunga ā-motu II, he kaha te mana me te iti o te whakapaunga wahie.
● He māmā, he pono hoki te pūnaha whakahaere rōrahi hau, e ai ki te rahi o te hau e pau ana, ko te whakaurunga hau he 0 ~ 100% te whakatikatika aunoa, i te wa ano, ka whakatikatika aunoa te tere o te miihini tīhiera, ka penapena nui te tīhiera.
● Rorohiko iti atamai e aroturuki ana i te pēhanga putanga hau o te pūwero hau, te pāmahana putanga, te tere o te miihini tīhiera, te pēhanga hinu, te pāmahana wai, te taumata tāke hinu me ētahi atu tawhā whakahaere, me te mahi whakaoho aunoa me te tiaki whakaweto.