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Current Project: 7Q7 - Boeing 707 RE
- The Advanced Jet Nozzle brings the Boeing 707 into Chapter 4/Stage 4 compliance with the Pratt & Whitney JT8D-219 engines
- Seven Q Seven and the US Government can expect Chapter 4/Stage 4 with NO need for a Fan Blade Containment Ring
- The Advanced Jet Nozzle adds only 35 pounds of weight to each engine. Part fabrication from Titanium material could reduce additional weight to approximately 15 pounds per engine
- The Advanced Jet Nozzle does NOT increase fuel consumption
- The Advanced Jet Nozzle maintains the Type Certificate Engine Operating Characteristics of the Pratt & Whitney JT8D-219 engine
- Predicted noise levels for the 7Q7 are graphically displayed in the link below
Noise Reduction Graphs
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