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MD-80
MD-80 
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MD-83 Profan Test with UHB P&W Allison Engine
MD-83 Profan Test with UHB P&W Allison Engine 
MD-83 Profan Test with UHB P&W Allison Engine
MD-83 Profan Test with UHB P&W Allison Engine 
MD-83 Profan Test with Ultra-High Bypass (UHB) P&W Allison Engine
MD-83 Profan Test with Ultra-High Bypass (UHB) P&W Allison Engine 
MD-83 Profan Test with Ultra-High Bypass (UHB) P&W Allison Engine
MD-83 Profan Test with Ultra-High Bypass (UHB) P&W Allison Engine 
MD-83 Profan Test with Ultra-High Bypass (UHB) P&W Allison Engine
MD-83 Profan Test with Ultra-High Bypass (UHB) P&W Allison Engine 
MD-83 Profan Test with Ultra-High Bypass (UHB) P&W Allison Engine
MD-83 Profan Test with Ultra-High Bypass (UHB) P&W Allison Engine 
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MD-83 Profan Test with UHB P&W Allison Engine

In the 1980s, Douglas modified the MD-80 prototype, turning it into a testbed for ultra-high-bypass (UHB) engines made by both General Electric and Allison. Propfan engines were substituted for rear-mounted turbofan engines. The technology had great potential for fuel economy, but steady fuel prices of the 1980s, and concerns about the potential for difficult engine maintenance and a lack of public acceptance for turbo-fan powered jetliners ended development of the MD-80 turbofan. 
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Unique identifier BI227863 
Boeing ID l9-04869 
Type Image 
Size 5200px × 5200px   77MB 
License type RM 
Keywords
1970s
air to air
airplanes
blue
blue skies
brown
commercial
commercial passenger planes
copy space
day
exteriors
flying
full body views
haze
high-tech / advanced
jets
left front views
left rear views
MD-83 Propfan Test
monoplanes
mountains
nobody
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out of production
photos
propeller planes
scanned from film negative
science and technology
snow
testing
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