A graph showcasing "State of the Art Improvement" for Boeing engine models 502-2 through T60. From Vertiflite (AHS Newsletter) Nov 1960.

Boeing performance comparison, models 502-2 through T60.

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A graph showcasing "State of the Art Improvement" for Boeing engine models 502-2 through T60. From Vertiflite (AHS Newsletter) Nov 1960.

 

Added to Boeing/Vertol (Vertiflite... and categorized in 4 months ago

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