Official Answer
Answer
Shigar da zoben karkace da hannu (musamman jerin 'hasken haske') ba tare da madaidaicin madaidaicin madaidaicin sau da yawa yana kaiwa ga 'fiye da faɗaɗa'. Idan an buɗe zobe fiye da yadda ake buƙata don share diamita na shaft, filaye na waje sun isa yankin nakasar filastik. Wannan yana haifar da 'saiti na dindindin', inda diamita na zoben kyauta $D_f$ ya karu. Saboda haka, zoben ba zai zauna damtse a cikin tsagi ba, wanda zai kai ga taron 'sako'. Sake-saken zobe na iya girgiza, yana haifar da 'damuwa' na tsagi, kuma zai sami ƙarancin ƙarancin RPM sosai saboda an riga an 'fadada'' zuwa wurin dagawa.
