History
The Yak-30 was designed to meet a Soviet requirement for a fighter capable of Mach 0.9, and able to operate from existing unpaved airstrips. To meet this request required a sweptback wing. Yakolev based their design on the existing Yak-25 experimental fighter, but incorporated a modified wing with a sweep of 35 degrees.
Read more about this topic: Yakovlev Yak-30 (1948)
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“Social history might be defined negatively as the history of a people with the politics left out.”
—G.M. (George Macaulay)
“In nature, all is useful, all is beautiful. It is therefore beautiful, because it is alive, moving, reproductive; it is therefore useful, because it is symmetrical and fair. Beauty will not come at the call of a legislature, nor will it repeat in England or America its history in Greece. It will come, as always, unannounced, and spring up between the feet of brave and earnest men.”
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“The history of all hitherto existing society is the history of class struggles.”
—Karl Marx (1818–1883)