ʻO ka moto rotor waho he kaʻa uila kūpono a hilinaʻi hoʻi i hoʻohana nui ʻia i ka hana ʻoihana a me nā mea pono hale.ʻO kāna kumu nui ke kau ʻana i ka rotor ma waho o ke kaʻa.Hoʻohana ʻo ia i kahi hoʻolālā rotor o waho e hana i ka ʻoi aku ka paʻa a me ka maikaʻi i ka wā o ka hana.Loaʻa i ka mīkini rotor waho kahi hoʻolālā paʻa a me ka mana kiʻekiʻe, e ʻae iā ia e hāʻawi i ka mana mana nui ma kahi ākea.He haʻahaʻa ka walaʻau, haʻahaʻa haʻahaʻa a haʻahaʻa ka hoʻohana ʻana i ka ikehu, e hana maikaʻi ana i nā ʻano hiʻohiʻona noiʻi.
Hoʻohana nui ʻia nā kaʻa rotor waho i ka hana makani makani, nā ʻōnaehana air conditioning, nā mīkini ʻenehana, nā kaʻa uila a me nā kahua ʻē aʻe.ʻO kāna hana maikaʻi a hilinaʻi hoʻi e lilo ia i ʻāpana pono ʻole o nā lako like ʻole a me nā ʻōnaehana.