posted on Feb, 25 2005 @ 12:57 PM
Tu 70 is litle modernized Tu 4. Tu 80 just try made some better have Tu 4 "As a whole distinctions were small: the design has been facilitated, the
wing slow increased, the stock of fuel is increased by 15 % against That tu-4" - just tu80, tu 4- One chicken-feed , Tu 85 - straight line wing ,
.... piston engine, with turbo(or turbo-charged don't know) thats all. When the work was ended start work at Tu 95 on based of tu 16, tu 88, tu 82,
and the expireans of 1947 - 1948 when was work to the midle and super havy aircraft with speed close to sonic .Tu 95 absolutly diferent aircraft
don't have evolution disign process from tu 4 -band.Tu 85 don't be in servise it uses only last prototyp from 2 , there go out in 1958
[edit on 25-2-2005 by Fenix F 308]