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Smoke generators show the twisting paths of wingtip vortices behind two NASA Dryden F/A-18's used in

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Summary

Smoke generators show the twisting paths of wingtip vortices behind two NASA Dryden F/A-18's used in the Autonomous Formation Flight (AFF) program during flight #743. The lead aircraft, F-18 #845 (NASA Dryden's Systems Research Aircraft), piloted by Craig Bomben, is followed closely by another F-18, #847, piloted by Dick Ewers. A vortex is a spiraling current of air emanating from aircraft wingtips as they fly. By mapping the vortex pattern and using sophisticated software to put the trailing aircraft in the optimum location, the energy of the vortex could result in fuel savings for the follower aircraft of 15 percent or more. Autonomous Formation Flight (AFF) is intended to allow an aircraft to fly in close formation over long distances using advanced positioning and controls technology. It utilizes Global Positioning System satellites and inertial navigation systems to position two or more aircraft in formation, with an accuracy of a few inches. This capability is expected to yield fuel efficiency improvements.

NASA Identifier: NIX-EC01-0328-11

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nasa smoke generators show the twisting paths of wingtip vortices behind two nasa dryden f a 18 s used in dvids maps jet aircraft fighter jet aircraft military aircraft experimental aircraft nasa history collection
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Date

23/09/2009
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Source

Defense Visual Information Distribution Service
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Link

https://www.dvidshub.net/
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Copyright info

Public Domain Dedication. Public Use Notice of Limitations: https://www.dvidshub.net/about/copyright

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nasa smoke generators show the twisting paths of wingtip vortices behind two nasa dryden f a 18 s used in dvids maps jet aircraft fighter jet aircraft military aircraft experimental aircraft nasa history collection