Meanwhile, the engine also took inspiration from the control system of Russia's AL-31F aircraft turbofan engine, China Science Communication admitted, calling the Taihang engine a result of “independent development combined with technology from the Soviet Union and the U.S.”
What is your point b787 Are you implying that China copy AL31 engine because they took inspiration from the control system of AL31?
Turbofan engine is more than control system even if china copy the design of control system it doesn't make it copy of AL31. Because is is only one component of the system. Anyway WS 10 derive from CFM 56 lineage and not from Lyulka Saturn engine. And to insinuate that you can designed complicated GT from reading manual is INSANE
Why you single out China? When every one does it It is normal to take inspiration from your competitor .It is done multiple time in history and by various country.
That is how engineering progress
Even Soviet first try at gas turbine copy the NENE engine
Immediately after
, the Soviet Union manufactured copies of first generation German
and
engines, which were advanced designs with poor durability, limited by Germany's availability of rare metals at wartime. However in 1946, before the
had really begun, the new British
under the
,
, keen to improve diplomatic relations with the Soviet Union, authorised
to export 40
flow
engines. In 1958 it was discovered during a visit to
by
, then deputy chairman of Rolls-Royce, that this engine had been copied without license
to power the
, first as the
RD-45, and after initial problems of metallurgy forced the Soviet engineers to develop a slightly redesigned (and metallurgically closer) copy, the engine had then entered production as the Klimov VK-1 (Rolls-Royce later attempted to claim £207m in license fees, without success).
The RD-45 was further improved to produce the VK-1, which differed from the Nene in having larger , larger , and revised greater airflow through the engine, raised from the 41 kg/s for the Nene, to 45 kg/s. The VK-1F added the afterburner.
The US GUPPY submarine derive heavily from type 21 submarine of the Deutschland krieg marine.Here is
The Greater Underwater Propulsion Power Program (GUPPY) was initiated by the after World War II to improve the submerged speed, maneuverability, and endurance of its . (The "Y" in the acronym was added for pronounceability.)
The navy began the program by testing and two captured German : and . That analysis led to four goals—increasing the submarines' battery capacity, streamlining the boats' structures, adding , and improving systems. The navy immediately focused on designing a new class of submarines, but the believed the fleet of existing
,
, and
class submarines could be modified to
Or the TU 4 which direct copy of B 29 to the last bolt
For that matter the whole NASA and Soviet rocket program are derive from German experience
