Датотека:Centurion-EC98-44822-5.jpg

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OpisCenturion-EC98-44822-5.jpg	English: Centurion taking off from Rogers Dry Lake at Edwards AFB / NASA Dryden
Datum	decembar 1998.
Izvor	http://www.dfrc.nasa.gov/Gallery/Photo/Centurion/Large/EC98-44822-5.jpg
Autor	NASA photo by Tom Tschida

This image or video was catalogued by Armstrong Flight Research Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: EC98-44822-5.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.

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	Ова датотека је у јавном власништву зато што је њен аутор НАСА. НАСА-а политика ауторских права наводи „Материјали НАСА-е нису заштићени ауторским правима осим ако није другачије наведено“. (Погледајте Template:PD-USGov, NASA copyright policy page или JPL Image Use Policy.)
	Упозорења: Употреба НАСА-их логотипа и емблема је ограничена Америчким законом 14 CFR 1221. НАСА-ин сајт хостује велики број слика Совјетске/Руске свемирске агенције и других не-Америчких свемирских агенција. Ове слике нису нужно у јавном власништву. Материјали засновани на подацима Хабл телескопа су слободни само ако је њихов аутор STScI.[1] Такође погледајте {{PD-Hubble}} и {{Cc-Hubble}}. Материјали са сонде SOHO су заштићени ауторским правима и потребна је дозвола за комерцијалну употребу. [2] Слике са сајта APOD можда подлежу ауторским правима. [3]

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	Datum/vreme	Dimenzije	Korisnik	Komentar
trenutna	10:14, 12. februar 2023.	3.000 × 2.318 (3,45 MB)	Ariadacapo	Reverted to version as of 12:04, 18 April 2009 (UTC)
	17:20, 11. februar 2023.	3.000 × 2.000 (2,77 MB)	Marc Lacoste	Cropped 14 % vertically using CropTool with lossless mode. 3:2 AR
	14:04, 18. april 2009.	3.000 × 2.318 (3,45 MB)	Cropbot	upload cropped version, operated by User:TheDJ. Summary: crop DFRC footer
	02:58, 10. septembar 2008.	3.000 × 2.708 (3,61 MB)	Akradecki	{{Information \|Description={{en\|1=Centurion taking off from Rogers Dry Lake at Edwards AFB / NASA Dryden}} \|Source=http://www.dfrc.nasa.gov/Gallery/photo/Centurion/Large/EC98-44822-5.jpg \|Author=NASA photo by Tom Tschida \|Date=December 1998 \|Permission= \|

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NASA Dryden Flight Research Center Photo Collection

http://www.dfrc.nasa.gov/gallery/photo/index.html NASA Photo: EC98-44822-5 Date: December 1998 Photo by: Tom Tschida

Centurion during Takeoff over Lakebed

The Centurion remotely piloted flying wing demonstrated its flying qualities during an initial series of low-altitude, battery-powered test flights in late 1998 at NASA's Dryden Flight Research Center, Edwards, California.

Centurion was a unique remotely piloted, solar-powered airplane developed under NASA's Environmental Research Aircraft and Sensor (ERAST) Program at the Dryden Flight Research Center, Edwards, California. Dryden joined with AeroVironment, Inc., Monrovia, California, under an ERAST Joint Sponsored Research Agreement, to design, develop, manufacture, and conduct flight development tests for the Centurion. <p> The airplane was believed to be the first aircraft designed to achieve sustained horizontal flight at altitudes of 90,000 to 100,000 feet. Achieving this capability would meet the ERAST goal of developing an ultrahigh-altitude airplane that could meet the needs of the science community to perform upper-atmosphere environmental data missions. Much of the technology leading to the Centurion was developed during the Pathfinder and Pathfinder-Plus projects. <p> However, in the course of its development, the Centurion became a prototype technology demonstration aircraft designed to validate the technology for the Helios, a planned future high-altitude, solar-powered aircraft that could fly for weeks or months at a time on science or telecommunications missions. Centurion had 206-foot-long wings and used batteries to supply power to the craft's 14 electric motors and electronic systems. <p> Centurion first flew at Dryden Nov. 10, 1998, and followed up with a second test flight Nov. 19. On its third and final flight on Dec. 3, the craft was aloft for 31 minutes and reached an altitude of about 400 feet. All three flights were conducted over a section of Rogers Dry Lake adjacent to Dryden. For its third flight, the Centurion carried a simulated payload of more than 600 pounds--almost half the lightweight aircraft's empty weight. John Del Frate, Dryden's project manager for solar-powered aircraft, said he was impressed to see how well the aircraft handled the large weight increase from an initial payload of 150 pounds to one of 600 pounds. <p> During 1999, Centurion gave way to the Helios Prototype, the latest and largest example of a slow-flying ultralight flying wing designed for long-duration, high-altitude Earth science or telecommunications relay missions. This was an enlarged version of the Centurion flying wing with a wingspan of 247 feet, 41 feet greater than the Centurion, 2 1/2 times that of the solar-powered Pathfinder flying wing, and longer than the wingspans of either the Boeing 747 jetliner or Lockheed C-5 transport aircraft. In upgrading the Centurion to the Helios Prototype configuration, AeroVironment added a sixth wing section and a fifth landing gear pod, among other improvements. The additional wingspan increased the area available for installation of solar cells and improved its lifting capability. This allows the Helios Prototype to carry a regenerative fuel-cell-based energy storage system that will enable flight at night, while still meeting the performance goals originally established for the Centurion.

Датотека:Centurion-EC98-44822-5.jpg

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nastanak

decembar 1998

vrsta medija na Internetu

image/jpeg

kontrolna suma ^{Serbian (transliteracija)}

a6330a42369f75ddd265f267add719132067e50d

veličina podatka ^{Serbian (transliteracija)}

3.613.817 bajt

visina ^{Serbian (transliteracija)}

2.318 piksel

širina ^{Serbian (transliteracija)}

3.000 piksel

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Датотека:Centurion-EC98-44822-5.jpg

Opis izmene

Licenciranje

Natpisi

Stavke prikazane u ovoj datoteci

prikazuje

nastanak

decembar 1998

vrsta medija na Internetu

image/jpeg

kontrolna suma Serbian (transliteracija)

a6330a42369f75ddd265f267add719132067e50d

veličina podatka Serbian (transliteracija)

3.613.817 bajt

visina Serbian (transliteracija)

2.318 piksel

širina Serbian (transliteracija)

3.000 piksel

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kontrolna suma ^{Serbian (transliteracija)}

veličina podatka ^{Serbian (transliteracija)}

visina ^{Serbian (transliteracija)}

širina ^{Serbian (transliteracija)}