Answer
A cikin maɓuɓɓugan ruwan raƙuman ruwa, jimlar nauyin $P_{total}$ shine jimillar lodin kowane juyi, amma adadin raƙuman ruwa $N$ kowane bi da bi yana nuna kwanciyar hankali da ƙimar bazara $k$. Mafi girman $N$ yana ƙara ƙimar bazara daidai gwargwado zuwa $N^4$, yana ba da damar ɗaukar nauyi sosai a cikin ƙananan wuraren axial. Koyaya, babban $ N $ shima yana rage girman girman igiyoyin ruwa, wanda zai iya haifar da juriyar masana'anta yana samun babban tasiri akan daidaiton kaya. Don kwanciyar hankali, $N$ dole ne ya zama lamba ko rabin lamba (misali, 3.5, 4.5) don tabbatar da daidaitaccen daidaituwa-zuwa crest da hana 'shinging' inda jujjuyawar ke zamewa akan juna.