Answer
A cikin rotors masu sauri (misali,> 10,000 RPM), kowane rashin daidaituwa na taro na iya haifar da rawar jiki mai mahimmanci da lalacewa. Da'irar da aka buga ta al'ada ba ta dace ba saboda 'kunne' ko 'lugs' na taronsu, wanda ke haifar da rashin daidaituwar taro. Ana samar da zoben riƙewa na karkace ta hanyar murɗa waya mai lebur, wanda ke haifar da kusan daidaitaccen rabon taro $360^\circ$$. Duk da yake har yanzu suna da ƙaramin 'taza' ko' 'karshen biya,' rashin daidaituwa umarni ne na girma ƙasa da da'irar. Don aikace-aikace masu sauri-sauri, injiniyoyi sun ƙididdige zoben karkace mai 'daidaitacce', wanda ke nuna jerin ƙananan yanke-yanke a gefe na ƙarshen waya don daidaita yawan taro. Rashin yin amfani da madaidaicin zobe a cikin waɗannan tsarin yana haifar da jujjuyawar aiki tare da wuce kima ($ 1 \ sau $ RPM) da rage rayuwar manyan masu saurin gudu.
