GE once thought super-efficient propfans were the future of air travel, until low fuel prices in the late 1980s moved fuel consumption down the list of priorities. Now, it's bringing them back with ...
CFM International’s new push to develop an open-fan engine – a design commonly known as a propfan – marks a return to technology that engine makers developed, then shelved, amid fluctuating oil prices ...
Dark Footage Official on MSN
The Boeing airliner that sounded like a giant saw
During the 1980s, Boeing began developing an ambitious new airliner that promised to revolutionize commercial aviation. Known ...
Found and Explained Official on MSN
The Boeing 7J7 - The radical airliner meant to replace the 737
The Boeing 7J7 was a bold 1980s attempt to build a more efficient successor to the 737 and 727 using advanced propfan engines, wide cabin layouts, fly-by-wire controls, and international industrial ...
NASA last led an open fan type flight demonstrator program in 1987 with tests of a Hamilton Standard propfan on a Gulfstream II, pictured undergoing earlier wind tunnel evaluation. Credit: NASA NASA ...
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