Danger Room: Engine Woes Could Ground China’s Stealth Armada


Categorie: Air, China, David Axe, Russia, Stealth |
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J-21 and its RD-93 engines. Photo: Chinese Internet via F-16.net

J-21 and its RD-93 engines. Photo: Chinese Internet via F-16.net


China’s newest stealth fighter prototype is made in the People’s Republic and could pose a challenge to U.S. air power. But it’s got an Achilles’ Heel: its engines are Russian imports.

Without reliable, homemade motors, China’s planned stealth armada will continue relying on Russian-made engines that aren’t always adequate — and in any event can be withheld by a wary Moscow.

“China’s inability to domestically mass-produce modern high-performance jet engines at a consistently high-quality standard is an enduring Achilles’ Heel of the Chinese military aerospace sector,” wrote Andrew Erickson, a Naval War College analyst. Erickson chalked up the engine gap to a lack of standardization, cooperation and quality control in Chinese industry.

The new J-21, which apparently hasn’t flown yet, first appeared over the weekend in photos snapped at the Shenyang Aircraft Corporation’s factory airfield in northeast China. One high-rez pic clearly featured the twin-tail fighter’s two engines. “A good early guess is that the engines are Klimov RD-93s,” ace aviation reporter Bill Sweetman concluded.

The RD-93, a derivative of the engine fitted to Russia’s classic MiG-29 fighter, also powers China’s Chengdu JF-17, a light fighter intended for export. China bought at last 100 RD-93s from Russia starting in 2005. It seems at least two wound up with Shenyang for its new stealth fighter prototype.

Read the rest at Danger Room.


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