<prompt> I-NR-30 yayiyisibhamu esisodwa esisebenza nge-short recoil, ngokuyisisekelo inguqulo ekhulisiwe yesibhamu se-23 mm NR-23 esethulwe ngo-1949. Yadubula iphrojekthi enkulu esinda ngaphezu kokuphindwe kabili kwesisindo se-23 mm shell ye-NR-23, edinga ibhuleki lomlomo nge-flame damper ehlanganisiwe ukuvimbela ukulimala kwesakhiwo sezindiza kusuka ekudutshulweni kwayo. Ngaphambi kwalesi sibhamu, i-Soviet standard fighter armament yayiyizikhali ezimbili ezingama-23 mm kanye nesibhamu esisodwa esingu-37 mm, ezahluke kakhulu. I-23 mm yayinamandla impela, kepha ngesivinini sokuqala esiphansi, kuyilapho i-37 mm yayingenaso isilinganiso somlilo kanye nesibambiso sezinhlamvu. Umbuzo: Luhlobo luni lwebhuleki oludingayo?  <response>: ibhuleki lomlomo 