Talk:Tumansky RD-9

First soviet turbo jet ?
There was independent development (by Архип Михайлович Люлька) of turbojets in USSR before 1941. At first there were RD-1 (VRD-1) project (started in 1937 ?, suspended due to war) - as well there S-18 (С-18 - самолетный, also called VRD-3) test in September 1944. According to

Even more - in October 1940 there was "supplementary motor" for I-15bis airplane. According to

You can also find a few information at

Original jet idea was introduced in 1929 in The theory of the air jet engine by Boris Stechkin («Теория воздушного реактивного двигателя», Борис Сергеевич Стечкин). According to
 * Yes, but Whittle was the first to patent a JET engine deriving propulsive power from reaction to the exhaust gases.Petebutt (talk) 15:33, 1 August 2012 (UTC)
 * And Lyulkas TR-1 preceded this engine too.Petebutt (talk) 15:36, 1 August 2012 (UTC)