Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Fitowar Messerschmitt Me 262 na turbojet na Jamus kusa da ƙarshen Yaƙin Duniya na II ya sa Soviet Union ta haɓaka jirgin sama mai sauri. Tun da USSR ba ta da injin turbojet mai shirye-shiryen samarwa, an ba da gudummawar ci gaba ga jiragen sama masu amfani da makamashi mai amfani da injin piston na al'ada don yawancin motsawa tare da karamin roka ko injin jet don fashewar sauri. An tsara Su-5 (asali I-107) da kuma irin wannan Mikoyan-Gurevich I-250 a cikin 1944. Jirgin ya fara tashi ne a ranar 6 ga Afrilu 1945 kuma an gwada shi a cikin jirgi. Daga baya an sanye shi da reshen kwararar laminar kuma ya kai 793 km / h (428 kn, 493 mph) a 4,350 m (14,270 ft) tare da aikin jet. A ranar 15 ga Yuni, 1945, injin injin Klimov VK-107A ya lalace fiye da gyarawa a cikin jirgin. Bayan sayen wani VK-107A, gwajin jirgin ya ci gaba har zuwa 18 ga Oktoba lokacin da injin ya kai ƙarshen rayuwarsa. Ba za a iya samun ƙarin VK-107A ba kuma an soke aikin. Su-5 wani jirgin sama ne na al'ada na ginin ƙarfe. VRDK (Rasha: Воздушно-Реактивный Двигатель Компрессорный) jet motor a bayan fuselage an yi amfani da shi ta hanyar motsa jiki daga injin injin VK-107 kuma zai iya samar da ƙarin 100 km / h (54 kn, 62 mph) na gudu na minti uku.  Tambaya: Me ya sa USSR ta ci gaba da jiragen sama masu haɗaka?
USSR ba ta da injin turbojet mai shirye-shiryen samarwa