Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: The Robinson Helicopter Company, yakavakirwa paZamperini Field muTorrance, California, inogadzira maherikoputa ehurumende. Robinson anogadzira mhando nhatu <unk> R22 ine zvigaro zviviri, R44 ine zvigaro zvina, zvose zviri zviviri zvinoshandisa injini dzeLycoming piston, uye R66 ine zvigaro zvishanu, iyo inoshandisa injini ye turbine.  Mubvunzo: ndedzipi dziri mienzaniso mitatu iyo Robinson anogadzira?
R22 ine zvigaro zviviri, R44 ine zvigaro zvina, zvose zviri zviviri zvinoshandisa injini dzeLycoming piston, uye R66 ine zvigaro zvishanu