Ultra High Bypass UHB Green Jet Engine Technology [Video]
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Ultra High Bypass UHB Green Jet Engine Technology [Video]

The buzzwords in clean power for jet planes today are Geared Turbofan (GTF) and Advanced Turbofan (ATF). But in 1989 when this award winning story was produced, everyone was talking about Ultra High Bypass (UHB) jet engines. General Electric (GE) was testing the Unducted Fan (UDF) and a team of Pratt & Whitney and Allison were experimenting with a geared PropFan design. Test platforms consisted of a Boeing B-727 and a then Douglas MD-80 with most flights taking place at California's Mojave Airport.

Please note: This video also includes an appearance by the late brilliant Aviation Week Editor Michael Dornheim. He will be missed. Clearly, this video is from our archive (1989), not a recent production.

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