Àkọlé: The Robinson Helicopter Company, based at Zamperini Field in Torrance, California, is a manufacturer of civil helicopters. Robinson produces three models <unk> the two-seat R22, the four-seat R44, both of which use Lycoming piston engines, and the five-seat R66, which uses a turbine engine. Ìbéèrè: kí ni àwọn oríṣi mẹ́ta tí robinson ń ṣe?
R22 oníjókòó méjì, R44 oníjókòó mẹ́rin, tí àwọn méjèèjì ń lo ẹ̀rọ piston Lycoming, àti R66 oníjókòó márùn-ún