Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  N'oge na-adịghị anya ka Agha Ụwa nke Abụọ biri, Messerschmitt Me 262 nke ndị Germany na-eji ụgbọelu na-efe efe eme ihe mere ka ndị Soviet Union mepụta ụgbọelu na-efe efe nke na-agba ọsọ karịa nke mbụ. Ebe ọ bụ na USSR enweghị turbojet engine dị njikere maka mmepụta, a na-eduzi mbọ mmepe na ụgbọ elu na-agwakọta ike na-eji propeller na-arụ ọrụ pistin na-arụ ọrụ maka ihe ka ukwuu nke propulsion na obere rọketi ma ọ bụ jet engine maka ọgbụgba ọsọ. E mere Su-5 (nke mbụ I-107) na Mikoyan-Gurevich I-250 yiri nke ahụ na 1944. Ụgbọelu ahụ gbara ụgbọelu mbụ ya na 6 Eprel 1945 ma nwalere ule ụgbọelu. E mechara tinye ya na nku nke na-aga n'ihu ma nweta 793 km / h (428 kn, 493 mph) na 4,350 m (14,270 ft) na motojet na-arụ ọrụ. Na 15 June 1945, Klimov VK-107A pistin engine mebiri emebi karịa idozi na ụgbọ elu. Mgbe enwetara VK-107A ọzọ, nnwale ụgbọ elu gara n'ihu ruo mgbe Ọktọba 18 mgbe injin ahụ ruru njedebe nke ndụ ọrụ ya. Enweghi ike inweta VK-107As ọzọ ma kagbuo ọrụ ahụ. Su-5 bụ monoplane nke ihe owuwu niile. The VRDK (Russian) motojet na azụ nke fuselage na-kwadoro site a driveshaft si VK-107 pistin engine na ike na-enye ihe ọzọ 100 km / h (54 kn, 62 mph) nke ọsọ n'ihi na nkeji atọ.  Ajụjụ: N'ihi gịnị ka USSR ji mepụta ụgbọelu ndị na-arụ ọrụ n'ụzọ dịgasị iche?
USSR enweghị injin turbojet dị njikere maka mmepụta