China shows high-bypass CJ-1000AX demonstrator

KarelXWB · Mon Jan 08, 2018 10:11 am

China rolled out its first locally designed high-bypass turbofan:

Only four countries – Japan, Russia, the UK and the USA – have high-bypass turbofan engines in production. In four or five years, China’s CJ-1000A engine for the Comac C919 is expected to join them.

First impressions are not always reliable, but the CJ-1000AX demonstrator looks impressive. It has nearly the same fan diameter as CFM International’s state-of-the-art Leap-1C engine for the C919, which implies a similar 11:1 bypass ratio. The Chinese powerplant also uses several advanced technologies, including hollow titanium fan blades and 3D-printed fuel nozzles.

Article
https://www.flightglobal.com/news/artic ... in-444629/
http://zbs.miit.gov.cn/n1146285/n114635 ... ntent.html

zeke · Mon Jan 08, 2018 10:15 am

Isn’t the BR700 built in Germany ?

a300 · Tue Jan 09, 2018 5:31 am

zeke wrote:
Isn’t the BR700 built in Germany ?

Yes, but it is made by Rolls-Royce and BMW is not a major partner any longer.

Only four countries – Japan, Russia, the UK and the USA – have high-bypass turbofan engines in production].

I recall that Ukraine also makes them.

sciing · Tue Jan 09, 2018 7:17 am

a300 wrote:
zeke wrote:
Isn’t the BR700 built in Germany ?

Yes, but it is made by Rolls-Royce and BMW is not a major partner any longer.

Only four countries – Japan, Russia, the UK and the USA – have high-bypass turbofan engines in production].

I recall that Ukraine also makes them.

What should be the metric for this quite strange statement?
The CFM56 is likely the most often build HBT engine and the headquarter is in Paris, France!
Safran is a french company.
MTU in Munich/Germany is developing large parts for many engines.
There are big engine FALs in France and Germany for the most sellling engines.

a300 · Tue Jan 09, 2018 9:07 am

My point exactly: the original statement from the Flight Global is incorrect or at least inaccurate. The engine parts are made all over the world. Perhaps they are referring to the home base of the major manufactures.