File:PW-Allison-578-DX 1989.png
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Summary
| Description | The Pratt & Whitney-Allison 578–DX geared propfan demonstrator engine, installed on an MD-80 testbed aircraft. |
| Source | [1]; NASA/CR. 2008-215141. Figure 4. Ultra-high bypass ratio propulsors designed, built, and flight tested (page 3) |
| Author | Ron Kawai |
Licensing
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) |  |
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Original upload log
The original description page was here. All following user names refer to en.wikipedia.
| Date/Time | Dimensions | User | Comment |
|---|---|---|---|
| 2019-06-21 20:22:17 | 1442 × 961 | D271l | The Pratt & Whitney-Allison 578–DX geared propfan demonstrator engine, installed on an MD-80 testbed aircraft in April/May 1989. Author/source/URL: {{cite report |title=Quiet cruise efficient short take-off and landing subsonic transport system |url=https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20080015836.pdf |series=NASA/CR |volume=2008-215141 |given=Ron |surname=Kawai |publication-date=April 2008 |at=Figure 4. Ultra-high bypass ratio propulsors designed, built, and flight tested... |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 08:26, 23 June 2019 | | 1,442 × 961 (936 KB) | FSock | Transferred from en.wikipedia (MTC!) (1.1.1) |
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