Mezue ahịrịokwu na-esonụ: Otú ọ dị, na 21 Ọktoba 1937, e jidere Petlyakov tinyere Tupolev na ndị isi niile nke TsAGI na ebubo ụgha nke imebi ihe, nledo na inyere ndị Russian Fascist Party aka. E gburu ọtụtụ ndị ọrụ ibe ya. N'afọ 1939, a kpọfere ya n'ụlọ mkpọrọ gaa na NKVD "sharashka" maka ndị na-emepụta ụgbọ elu na nso Moscow, ebe e zigara ọtụtụ ndị bụbu ndị TsAGI ka ha rụọ ọrụ. E nyere Petlyakov ọrụ nke imepụta ụgbọelu na-alụ ọgụ n'ebe dị elu, nke ọ rụzuru nke ọma. Otú ọ dị, ahụmahụ ọrụ na
Agha Soviet-Finnish nke 1939-1940 gosiri na nke a abụghị ihe ndị Soviet Air Force mkpa, na Lavrentiy Beria, isi nke NKVD na nke "sharashka" usoro, nyere iwu ka fighter na-redesigned dị ka a dive otu bombu, na nkwa na Petlyakov na ndị ọrụ ibe ya ga-tọhapụrụ na ya ịga nke ọma ẹkụre.