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NASA Aircraft Projects

Grey Havoc

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https://www.youtube.com/watch?feature=player_embedded&v=Hr4kUFB8LCg
http://nypost.com/2015/09/20/nasa-working-on-space-shotgun-to-blast-asteroids/

A bit of hype in the title, but interesting none the less.
 

hesham

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From The Aviation Annual 1947.
 

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fightingirish

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Remotely Piloted PTERA Bridges Gap Between Wind Tunnel and Crewed Flight-Testing
On October 22, researchers from NASA’s Armstrong Flight Research Center at Edwards Air Force Base, California, and Area-I, Inc., of Kennesaw, Georgia, successfully conducted the maiden flight of a remotely piloted test bed for cutting edge aviation and space technologies. The Prototype-Technology Evaluation and Research Aircraft (PTERA) is a versatile flying laboratory bridging the gap between wind-tunnel experiments and crewed flight-testing...

NASA Armstrong Fact Sheet: Prototype-Technology Evaluation and Research Aircraft (PTERA)

Link:
http://www.nasa.gov/centers/armstrong/news/FactSheets/FS-108-AFRC.html
 

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Wahubna

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hesham said:
Hi,

NASA spanloader cargo aircraft.

http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19900004900_1990004900.pdf

~5% static margin during landing and they thought that was okay for a potentially non fly-by-wire aircraft? For perspective the UN-stable Formula 1 air racers have a static margin similar to this and are a real handful.

80% drag reduction with active laminar flow control with that thick of an airfoil at Mach .75?

Plus all the other specs paint the picture that a normal tube and wing config would be more efficient in all aspects.
 

hesham

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Hi,

here is a NASA All-Electric X-Plane.

http://www.greenoptimistic.com/nasa-electric-airplane/#.Vlrtq9IrK1t
 

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hesham

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And three Elecrtic Powered aircraft.
 

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Graham1973

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Grey Havoc

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Graham1973 said:
Proposed cargo glider for use with Boeing 747 towing aircraft. The tow planes studied were standard (4 engine) and enhanced (6 engine) versions of the Boeing 747.

Preliminary study of tug-glider freight systems utilizing a Boeing 747 as the tug

http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19770011174.pdf

1977, eh. They were assuming (correctly) that there would be another oil crisis in the near future, not to mention the already high extant oil prices. Pity this wasn't proceeded with. I wonder if there was any USAF interest in this for REFORGER?
 

Graham1973

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Grey Havoc said:
Graham1973 said:
Proposed cargo glider for use with Boeing 747 towing aircraft. The tow planes studied were standard (4 engine) and enhanced (6 engine) versions of the Boeing 747.

Preliminary study of tug-glider freight systems utilizing a Boeing 747 as the tug

http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19770011174.pdf

1977, eh. They were assuming (correctly) that there would be another oil crisis in the near future, not to mention the already high extant oil prices. Pity this wasn't proceeded with. I wonder if there was any USAF interest in this for REFORGER?

No idea, the study concluded that the idea was economically marginal and one of their hopes was that the military would become interested enough to take the study to the next stage (Eg Wind Tunnel testing and hopefully construction of flight hardware...)
 

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Evaluation of effectiveness of various devices for attenuation of trailing vortices based on model tests in a large towing

The effectiveness of various candidate aircraft-wing devices for attenuation of trailing vortices generated by large aircraft is evaluated on basis of results of experiments conducted with a 0.03-scale model of a Boeing 747 transport aircraft using a technique developed at the HYDRONAUTICS Ship Model Basin. Emphasis is on the effects produced by these devices in the far-field (up to 8 kilometers downstream of full-scale generating aircraft) where the unaltered vortex-wakes could still be hazardous to small following aircraft. The evaluation is based primarily on quantitative measurements of the respective vortex velocity distributions made by means of hot-film probe traverses in a transverse plane at selected stations downstream. The effects of these altered wakes on rolling moment induced on a small following aircraft are also studied using a modified lifting-surface theory with a synthesized Gates Learjet as a typical example. Lift and drag measurements concurrently obtained in the model tests are used to appraise the effects of each device investigated on the performance characteristics of the generating aircraft.

To cut to the chase, winglets mounted on the underside of the wing proved the most effective at reducing vortex generation, but nothing prevented the vortexes from being dangerous 4.5km behind the aircraft.

http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19740007597.pdf
 

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hesham

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Here is the NASA M-wing and W-wing aircraft.

http://archive.aviationweek.com/issue/19570715#!&pid=50
 

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hesham

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Hi,

http://archive.aviationweek.com/image/spread/19860811/32/1
 

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hesham

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Here is a NASA SETOL concept;

http://archive.aviationweek.com/image/spread/19751110/36/2
 

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hesham

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Hi,

http://archive.aviationweek.com/image/spread/19730326/26/2
 

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hesham

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Hi,

http://archive.aviationweek.com/image/spread/19591019/14/2
 

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hesham

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Hi,

http://archive.aviationweek.com/image/spread/19831114/28/2
 

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hesham

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Hi,

http://archive.aviationweek.com/image/spread/20140721/9/2
 

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hesham

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Hi,

http://www.popularmechanics.com/flight/a19521/nasa-x-plane-model-reveal-braced-design/
 

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hesham

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Hi,

here is a two NASA Projects,for new civil aircraft concepts from 1984.

http://archive.aviationweek.com/image/spread/19840305/27/1
 

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hesham

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I sent like this idea in aircraft design from my creation to Boeing company from more than 6 years ago.
 

hesham

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Hi,

http://www.avia-it.com/act/biblioteca/periodici/PDF%20Riviste/Alata/Alata%201959%2001.pdf
 

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hesham

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Hi,

http://archive.aviationweek.com/image/spread/19591207/66/2
 

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Grey Havoc

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https://www.nasa.gov/feature/metal-with-memory-f-18-wing-fold
https://youtu.be/RgpuReoirzk

Part of the Spanwise Adaptive Wing Project.
 

Grey Havoc

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https://www.nasa.gov/aero/nasa-selects-three-ideas-to-pursue-that-could-transform-aviation
 

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Grey Havoc said:
Part of the Spanwise Adaptive Wing Project.

They seem to have, like a lot of the youtube video's, an unhealthy fixation on musical accompaniment. It is soooooo last decade, peeps.
 

hesham

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Amazing concept,I did something like this but differed a little from my creation,

https://crgis.ndc.nasa.gov/historic/File:L-63-3042.jpg
 

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fightingirish

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IMHO a study model of a NASA experimental high altitude research aircraft. It is probably powered by two (or one) turbocharged piston engines and features an extremely long span wing.
nasa perseus design study model
https://flic.kr/p/2dNPm8g
https://flic.kr/p/2dJjF3U
https://flic.kr/p/2dNPnB8
https://flic.kr/p/REXgM9
https://flic.kr/p/2cq8TdB
https://flic.kr/p/REXibS
 

hesham

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hesham said:
Here is the NASA M-wing and W-wing aircraft.

http://archive.aviationweek.com/issue/19570715#!&pid=50

Also from Ali Nuove 9/1957.
 

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Grey Havoc

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I suspect some of those designs are part of NASA's collaboration with Cranfield University in the UK, though the pdf doesn't mention it.
 

hesham

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From, NASA Overview: Revolutionary Vertical Lift Technology Project Research and Goals
 

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