Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: Kufanana ne"fixed" radial engines, rotaries dzaiwanzovakwa nenhamba isingaverengeki yesilinda (kazhinji 5, 7 kana 9), kuitira kuti gadziriro yakafanana yekupfura imwe neimwe-imwe-piston inogona kuchengetwa, kuti ipe kufamba kwakatsetseka. Injini dzinotenderera dzine nhamba yakatwasuka yesilinda dzaiva zvikurukuru dzorudzi "rwemitsara miviri".  Mubvunzo: Kazhinji injini inotenderera ine masilinda mangani?
5, 7 kana kuti 9)