===== Soviet Launch Vehicles ===== ==== N-series ==== The N-series launchers, representing the N-I, N-II and N-III, are a series of launchers used by the Soviets in this timeline. The N-I OTL is the most powerful N-series launcher ITTL. === N-Series Family Elements === | ^ Description ^ Number of Engines ^ Total thrust (kN, vac) ^ Isp (s, vac)^ ^ Blok A |The heavyweight lower stage of the N-series. First stage of the N-1.|30 NK-15 engines|45,400|330| ^ Blok B |Middleweight stage of the N-series. Lower stage of the N-II and second stage of the N-I|8 NK-15/8 NK-15V|Varies|Varies| ^ Blok V |Lower stage of the N-III and the second lightest stage in the N-series inventory.|4 NK-15/4 NK-21|Varies|Varies| ^ Blok G |Lightest stage in the N-series inventory.|1 NK-21 and 1 NK-54|785|340| | ^N-I ^N-II ^N-III^ ^225km x 225km, 52| |24568kg| | ^700km x 700km, 82| |16608kg| | ^225km x 35785km, 52| |7857kg| | ^C3=0 The above payload figures assume a fairing massing 2000kg that is released 145 seconds into the flight, during the second stage burn.