Hi!
 

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Hi!
 

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Hi!

Lockheed Horizons, Number 14, 1983​

 

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Hi! JAL Boeing 2707-100 display model.

 

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GE4 engine and GE21/J11B3 engine.
View: https://x.com/AeroPaleo/status/1795346797742948743

The GE21/J11B3 is a conceptual variable-cycle engine (VCE) designed and evaluated by General Electric (GE) in the 1970s as part of NASA's Advanced Supersonic Technology Study (AST) program.
Key features include:
Purpose: Research into a fuel-efficient engine that would be more economical than first-generation supersonic aircraft like the Concorde and would serve as the mainstream for future supersonic transports (SSTs).
Technology: An early exploration model of variable-cycle technology, which provided efficient thrust at high exhaust velocities during supersonic cruise, while reducing noise and improving fuel economy during subsonic flight and around airports.
Relevance: It may have served as the basis for GE's later engine technology, particularly the variable-cycle technology used in supersonic fighter engines.
 

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Hi! 733-94 dsplay model, etc.
 

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Hi!
 

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A melancholy reunion in Seattle
Now at the Museum of Flight's restoration center at Paine Field, the fuselage has shared a home with the complex that once could have served as its production line. Here, the relic has sat gathering dust for the past 12 years.
 

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From this book
 

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