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PARIS AIR SHOW: Pratt & Whitney has refused to disclose the price of its F135 engines for the F-35 for quite a while, even while Lockheed Martin boasted it would bring down the price of the Joint Strike Fighter to $80 million a copy — including engine.
Now we know why. At a Monday briefing here, the head of Pratt’s F135 program, Mark Buongiorno, told reporters the company didn’t want to release the information because the Adaptive Engine Technology Development (AETD) program’s engines were being tested for dimensions that matched those of the F-35. A more fuel-efficient AETD engine could overcome one of the longstanding concerns about the F-35 in an era of ever deeper anti-access/area denial defenses, its relatively short unrefueled range of a bit more than 600 nautical miles.
Then General Electric put out a release late yesterday about testing for its Adaptive Versatile Engine Technology (ADVENT) project, which achieved the highest combined compressor and turbine temperature operation “in the history of jet engine propulsion.”
originally posted by: Blackfinger
Wonder if the Brits will do the same thing with SABRE..
originally posted by: Zaphod58
a reply to: Wide-Eyes
It depends entirely on the airframe it's put into. But it will use the ADVENT core, which means that it has an extra bypass flow that a normal engine doesn't have. This can be blocked off and fed through the engine core, for additional thrust, or used as a traditional bypass, for longer range. So when going to the target area, they can use it as the bypass, to increase range and loiter time. When in combat, they feed it through the core, and have additional thrust for combat purposes.
originally posted by: Zaphod58
a reply to: Wide-Eyes
It depends entirely on the airframe it's put into. But it will use the ADVENT core, which means that it has an extra bypass flow that a normal engine doesn't have. This can be blocked off and fed through the engine core, for additional thrust, or used as a traditional bypass, for longer range. So when going to the target area, they can use it as the bypass, to increase range and loiter time. When in combat, they feed it through the core, and have additional thrust for combat purposes.
originally posted by: Sammamishman
a reply to: Blackfinger
The Brits still have SABRE. It is still in development with Airborne Engineering Ltd. in Westcott, UK.
www.reactionengines.co.uk...
The SABER in your link refers to a construction contract at Wright Patterson.
www.defenseindustrydaily.com...