A forward-swept wing is an aircraft wing configuration in which the quarter-chord line of the wing has a forward sweep. Typically, the leading edge also sweeps forward.
Characteristics
The forward-swept configuration has a number of characteristics which increase as the angle of sweep increases.
Main spar location
The rearward location of the main wing spar would lead to a more efficient interior arrangement with more usable space.
Inward spanwise flow
Air flowing over any swept wing tends to move spanwise towards the rearmost end of the wing. On a rearward-swept wing this is outwards towards the tip, while on a forward-swept wing it is inwards towards the root. As a result, the dangerous tip stall condition of a rearward-swept design becomes a safer and more controllable root stall on a forward swept design. This allows full aileron control despite loss of lift, and also means that drag-inducing leading edge slots or other devices are not required.
With the air flowing inwards, wingtip vortices and the accompanying drag are reduced, instead the fuselage acts as a very large wing fence and, since wings are generally larger at the root, this improves lift allowing a smaller wing.
Macklemore explained the subject of the single as follows:
Music video
The music video, directed by Zia Mohajerjasbi, alludes to an autobiographical story line. It depicts its main character (Macklemore) and his experiences as a young boy infatuated with basketball and basketball paraphernalia, athletic shoes in particular, and what adverse effect it had on him as he grew up.
The music video starts with Macklemore now a grown-up man, going into an empty basketball court, where the indications are, that he apparently used to practice basketball himself. Macklemore raps while he reminisces himself as a small kid wearing a Chicago Bulls jersey number 23 (clearly alluding to NBA player Michael Jordan) and wearing, in a close-up, Nike sneakers that would "make him fly" (another reference to Nike Air Jordan sneakers). He describes "touching the net" as being the "best day of my life" (also a simile of a Jordan typical Nike ad), boasting about his skills to his mother and friends... until that is "my friend Carlos' brother got murdered for his fours, whoa", a reference to the basketball shoes he was wearing. This incident becomes a wake-up call to young Macklemore.
A rugby league football team consists of thirteen players on the field, with four substitutes on the bench. Players are divided into two general categories, forwards and backs.
Forwards are generally chosen for their size and strength. They are expected to run with the ball, to attack, and to make tackles. Forwards are required to improve the team's field position thus creating space and time for the backs. Backs are usually smaller and faster, though a big, fast player can be of advantage in the backs. Their roles require speed and ball-playing skills, rather than just strength, to take advantage of the field position gained by the forwards.
Names and numbering
The laws of the game recognise standardised numbering of positions. The starting side normally wear the numbers corresponding to their positions, only changing in the case of substitutions and position shifts during the game. In some competitions, such as Super League, players receive a squad number to use all season, no matter what positions they play in.
A spoiler is an automotive aerodynamic device whose intended design function is to 'spoil' unfavorable air movement across a body of a vehicle in motion, usually described as turbulence or drag. Spoilers on the front of a vehicle are often called air dams. Spoilers are often fitted to race and high-performance sports cars, although they have become common on passenger vehicles as well. Some spoilers are added to cars primarily for styling purposes and have either little aerodynamic benefit or even make the aerodynamics worse.
The term "spoiler" is often mistakenly used interchangeably with "wing". An automotive wing is a device whose intended design is to generate downforce as air passes around it, not simply disrupt existing airflow patterns. As such, rather than decreasing drag, automotive wings actually increase drag.
Operation
Since spoiler is a term describing an application, the operation of a spoiler varies depending on the particular effect it's trying to spoil. Most common spoiler functions include disrupting some type of airflow passing over and around a moving vehicle. A common spoiler diffuses air by increasing amounts of turbulence flowing over the shape, "spoiling" the laminar flow and providing a cushion for the laminar boundary layer. However, other types of airflow may require the spoiler to operate differently and take on vastly different physical characteristics.
An overview of some Forward-Swept Wing Aircraft.
More War Movie Content: https://www.youtube.com/johnnyjohnsonesq
Request a review: [email protected]
Movies/Games Featured:
Macross Plus 1995
X-Men: The Animated Series 1992
World of Warplanes (Video Game)
Stealth 2005
#aircraft #airforce #planes
published: 13 Sep 2023
Why Do Backwards Wings Exist?
Sign up to Nebula here: https://go.nebula.tv/realengineering
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Credits:
Writer/Narrator: Brian McManus
Editor: Stephanie Sammann
Animator: Mike Ridolfi
Sound: Graham Haerther
Thumbnail: Simon Buckmaster
References:
[1] http://hugojunkers.bplaced.net/junkers-ef131.html
[2] https://www.nasa.gov/centers/armstrong/news/FactSheets/FS-008-DFRC.html https://apps.dtic.mil/dtic/tr/fulltext/u2/a124715.pdf
[3] http://www.dept.aoe.vt.edu/~mason/Mason_f/ConfigAeroTransonics.pdf
[4] http://bit.ly/2Y17MM2
[5] https://apps.dtic.mil/dtic/tr/fulltext/u2/271130.pdf
[6] http://www.srmuniv.ac.in/sites/default/files/downloads/class5-2012.pdf
[7] https://www.nasa.gov/centers/armstrong/news/FactSheets/FS-081-DFRC.html
[8] https://repository.lib....
published: 20 Jul 2019
Why More Aircraft Don't Have Forward Swept Wings
Episode 172 guest Rogers E. Smith describes his experiences flying the NASA X-29.
Watch the full interview here: https://www.youtube.com/watch?v=mxXWMg5fi5k&t=5066s&ab_channel=FighterPilotPodcast
#fighterpilot Podcast
Website: https://www.fighterpilotpodcast.com/
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published: 28 Jul 2023
Russia's Plane With Backward Wings - The Sukhoi Su 47
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published: 31 Aug 2022
Why More Aircraft Don't Have Forward Swept Wings
While forward-swept wings offer some intriguing potential benefits like improved low-speed performance and higher lift. Unlike conventional swept-back wings, forward-swept wings experience a phenomenon called divergence, where the lift forces twist the wingtips upwards further, potentially leading to structural failure.
published: 28 Dec 2023
Swept Wings | Simple explanation of a complex topic.
A swept wing angles backward from its root rather than sideways and is primarily used to increase the Mach-number capability of fast aircraft. This is a complex topic. If you are an engineer, you may wish for a more in-depth explanation. However, for us pilots, this video provides a simplified explanation. It briefly illustrates the theories behind the design of swept-back wings, their pros and cons, and we hope you will find it useful and interesting.
Would you like to support this channel and help us grow? Visit https://flight-club.com.au to find out how.
Thanks for watching!
#flightclub #sweptwings
published: 18 Jul 2023
X-29 Forward Swept Wing Performing High Angle of Attack Maneuvers
EM-0035-05
This 26-second video shows the X-29 Forward Swept Wing performing high angle of attack maneuvers over the Mojave Desert in Southern California.
Two X-29A aircraft, featuring one of the most unusual designs in aviation history, were flown at the NASA Dryden Flight Research Center, Edwards, Calif., as technology demonstrators to investigate a host of advanced concepts and technologies. The multi-phased program, conducted from 1984 to 1992, provided an engineering data base that is available in the design and development of future aircraft.
The concepts and technologies the fighter-size X-29 explored were the use of advanced composites in aircraft construction; variable camber wing surfaces; the unique forward-swept wing and its thin supercritical airfoil; strake flaps; close-co...
published: 17 May 2013
Most Insane Forward-Swept Wing Aircraft Ever Built
Surely each of you has come across images or videos of airplanes whose wings are turned in the other direction. This is called a forward-swept wing. The forward-swept configuration has a number of characteristics which increase as the angle of sweep increases. And today we will show you the 8 best forward-swept wing aircraft ever built!
For copyright matters please contact us at: [email protected]
published: 31 Jan 2021
Weekly Update #37: End of Year - January Tribes Preview - JAS-41 Vampyren
I hope everyone had a happy holiday period! I just needed to get one more design out in 2023! Today we will be looking at the Traveller small craft cradle, but first, a look at January 2024's first brand new Tribes model - my third take on a hypothetical SAAB JAS 41, Vampyren or "The Vampire" - an oldie but a goodie!
Check out our other stuff:
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Our last Kickstarter: https://www.kickstarter.com/projects/2nddynasty/operation-maelstrom?ref=5k7lrp
Our Social Media Links: https://www.2nddynasty.com/?page_id=105
published: 30 Dec 2023
Forward Swept vs. Normal Wing | Aerodynamic Design for Super Slow Flight | High AoA Experimental
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An overview of some Forward-Swept Wing Aircraft.
More War Movie Content: https://www.youtube.com/johnnyjohnsonesq
Request a review: johnnyjohnsonreviews@gmai...
An overview of some Forward-Swept Wing Aircraft.
More War Movie Content: https://www.youtube.com/johnnyjohnsonesq
Request a review: [email protected]
Movies/Games Featured:
Macross Plus 1995
X-Men: The Animated Series 1992
World of Warplanes (Video Game)
Stealth 2005
#aircraft #airforce #planes
An overview of some Forward-Swept Wing Aircraft.
More War Movie Content: https://www.youtube.com/johnnyjohnsonesq
Request a review: [email protected]
Movies/Games Featured:
Macross Plus 1995
X-Men: The Animated Series 1992
World of Warplanes (Video Game)
Stealth 2005
#aircraft #airforce #planes
Sign up to Nebula here: https://go.nebula.tv/realengineering
Links to everything I do:
https://beacons.ai/brianmcmanus
Credits:
Writer/Narrator: Brian McManu...
Sign up to Nebula here: https://go.nebula.tv/realengineering
Links to everything I do:
https://beacons.ai/brianmcmanus
Credits:
Writer/Narrator: Brian McManus
Editor: Stephanie Sammann
Animator: Mike Ridolfi
Sound: Graham Haerther
Thumbnail: Simon Buckmaster
References:
[1] http://hugojunkers.bplaced.net/junkers-ef131.html
[2] https://www.nasa.gov/centers/armstrong/news/FactSheets/FS-008-DFRC.html https://apps.dtic.mil/dtic/tr/fulltext/u2/a124715.pdf
[3] http://www.dept.aoe.vt.edu/~mason/Mason_f/ConfigAeroTransonics.pdf
[4] http://bit.ly/2Y17MM2
[5] https://apps.dtic.mil/dtic/tr/fulltext/u2/271130.pdf
[6] http://www.srmuniv.ac.in/sites/default/files/downloads/class5-2012.pdf
[7] https://www.nasa.gov/centers/armstrong/news/FactSheets/FS-081-DFRC.html
[8] https://repository.lib.ncsu.edu/bitstream/handle/1840.16/2141/etd.pdf?sequence=1
https://youtu.be/pg-Qi5TYzK0?t=2161
[9] page 18 https://www.nasa.gov/sites/default/files/files/Sweeping_Forward.pdf
[10] https://youtu.be/LOmvrk3LPGc?t=421
[11] https://apps.dtic.mil/dtic/tr/fulltext/u2/a124715.pdf
[12] https://www.nasa.gov/centers/dryden/pdf/88172main_H-1574.pdf
[13] page 24 https://www.nasa.gov/sites/default/files/files/Sweeping_Forward.pdf
[14] https://www.nasa.gov/centers/dryden/pdf/120266main_FS-008-DFRC.pdf
[15] Page 124 https://www.nasa.gov/sites/default/files/files/Sweeping_Forward.pdf
https://youtu.be/LOmvrk3LPGc?t=999
[16] Page 127 https://www.nasa.gov/sites/default/files/files/Sweeping_Forward.pdf
[17] Page 208 https://www.nasa.gov/sites/default/files/files/Sweeping_Forward.pdf
Thank you to AP Archive for access to their archival footage.
Music by Epidemic Sound: http://epidemicsound.com/creator
Songs:
tomic Numbers 1 - August Wilhelmsson
Codec Sabotage - Marten Moses
Computer Wiz - Marten Moses
Calmly - Dye O
Cobwebs In The Sky - They Dream By Day
Thank you to my patreon supporters: Adam Flohr, Henning Basma, Hank Green, William Leu, Tristan Edwards, Ken Coltan, Andrew McCorkell, Ian Dundore, John & Becki Johnston. Nevin Spoljaric, Jason Clark, Devin Rathbun, Thomas Barth, Paulo Toyosi Toda Nishimura
Sign up to Nebula here: https://go.nebula.tv/realengineering
Links to everything I do:
https://beacons.ai/brianmcmanus
Credits:
Writer/Narrator: Brian McManus
Editor: Stephanie Sammann
Animator: Mike Ridolfi
Sound: Graham Haerther
Thumbnail: Simon Buckmaster
References:
[1] http://hugojunkers.bplaced.net/junkers-ef131.html
[2] https://www.nasa.gov/centers/armstrong/news/FactSheets/FS-008-DFRC.html https://apps.dtic.mil/dtic/tr/fulltext/u2/a124715.pdf
[3] http://www.dept.aoe.vt.edu/~mason/Mason_f/ConfigAeroTransonics.pdf
[4] http://bit.ly/2Y17MM2
[5] https://apps.dtic.mil/dtic/tr/fulltext/u2/271130.pdf
[6] http://www.srmuniv.ac.in/sites/default/files/downloads/class5-2012.pdf
[7] https://www.nasa.gov/centers/armstrong/news/FactSheets/FS-081-DFRC.html
[8] https://repository.lib.ncsu.edu/bitstream/handle/1840.16/2141/etd.pdf?sequence=1
https://youtu.be/pg-Qi5TYzK0?t=2161
[9] page 18 https://www.nasa.gov/sites/default/files/files/Sweeping_Forward.pdf
[10] https://youtu.be/LOmvrk3LPGc?t=421
[11] https://apps.dtic.mil/dtic/tr/fulltext/u2/a124715.pdf
[12] https://www.nasa.gov/centers/dryden/pdf/88172main_H-1574.pdf
[13] page 24 https://www.nasa.gov/sites/default/files/files/Sweeping_Forward.pdf
[14] https://www.nasa.gov/centers/dryden/pdf/120266main_FS-008-DFRC.pdf
[15] Page 124 https://www.nasa.gov/sites/default/files/files/Sweeping_Forward.pdf
https://youtu.be/LOmvrk3LPGc?t=999
[16] Page 127 https://www.nasa.gov/sites/default/files/files/Sweeping_Forward.pdf
[17] Page 208 https://www.nasa.gov/sites/default/files/files/Sweeping_Forward.pdf
Thank you to AP Archive for access to their archival footage.
Music by Epidemic Sound: http://epidemicsound.com/creator
Songs:
tomic Numbers 1 - August Wilhelmsson
Codec Sabotage - Marten Moses
Computer Wiz - Marten Moses
Calmly - Dye O
Cobwebs In The Sky - They Dream By Day
Thank you to my patreon supporters: Adam Flohr, Henning Basma, Hank Green, William Leu, Tristan Edwards, Ken Coltan, Andrew McCorkell, Ian Dundore, John & Becki Johnston. Nevin Spoljaric, Jason Clark, Devin Rathbun, Thomas Barth, Paulo Toyosi Toda Nishimura
Episode 172 guest Rogers E. Smith describes his experiences flying the NASA X-29.
Watch the full interview here: https://www.youtube.com/watch?v=mxXWMg5fi5k&t=...
Episode 172 guest Rogers E. Smith describes his experiences flying the NASA X-29.
Watch the full interview here: https://www.youtube.com/watch?v=mxXWMg5fi5k&t=5066s&ab_channel=FighterPilotPodcast
#fighterpilot Podcast
Website: https://www.fighterpilotpodcast.com/
Facebook: https://www.facebook.com/fighterpilotpodcast
Instagram: https://www.instagram.com/fighterpilotpodcast
Patreon: https://www.patreon.com/ftrpltpdcst
Twitter: https://twitter.com/ftrpltpdcst
Episode 172 guest Rogers E. Smith describes his experiences flying the NASA X-29.
Watch the full interview here: https://www.youtube.com/watch?v=mxXWMg5fi5k&t=5066s&ab_channel=FighterPilotPodcast
#fighterpilot Podcast
Website: https://www.fighterpilotpodcast.com/
Facebook: https://www.facebook.com/fighterpilotpodcast
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Patreon: https://www.patreon.com/ftrpltpdcst
Twitter: https://twitter.com/ftrpltpdcst
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Only Squarespace is Quick, Simple, And Cost Effective.
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While forward-swept wings offer some intriguing potential benefits like improved low-speed performance and higher lift. Unlike conventional swept-back wings, fo...
While forward-swept wings offer some intriguing potential benefits like improved low-speed performance and higher lift. Unlike conventional swept-back wings, forward-swept wings experience a phenomenon called divergence, where the lift forces twist the wingtips upwards further, potentially leading to structural failure.
While forward-swept wings offer some intriguing potential benefits like improved low-speed performance and higher lift. Unlike conventional swept-back wings, forward-swept wings experience a phenomenon called divergence, where the lift forces twist the wingtips upwards further, potentially leading to structural failure.
A swept wing angles backward from its root rather than sideways and is primarily used to increase the Mach-number capability of fast aircraft. This is a complex...
A swept wing angles backward from its root rather than sideways and is primarily used to increase the Mach-number capability of fast aircraft. This is a complex topic. If you are an engineer, you may wish for a more in-depth explanation. However, for us pilots, this video provides a simplified explanation. It briefly illustrates the theories behind the design of swept-back wings, their pros and cons, and we hope you will find it useful and interesting.
Would you like to support this channel and help us grow? Visit https://flight-club.com.au to find out how.
Thanks for watching!
#flightclub #sweptwings
A swept wing angles backward from its root rather than sideways and is primarily used to increase the Mach-number capability of fast aircraft. This is a complex topic. If you are an engineer, you may wish for a more in-depth explanation. However, for us pilots, this video provides a simplified explanation. It briefly illustrates the theories behind the design of swept-back wings, their pros and cons, and we hope you will find it useful and interesting.
Would you like to support this channel and help us grow? Visit https://flight-club.com.au to find out how.
Thanks for watching!
#flightclub #sweptwings
EM-0035-05
This 26-second video shows the X-29 Forward Swept Wing performing high angle of attack maneuvers over the Mojave Desert in Southern California.
Two...
EM-0035-05
This 26-second video shows the X-29 Forward Swept Wing performing high angle of attack maneuvers over the Mojave Desert in Southern California.
Two X-29A aircraft, featuring one of the most unusual designs in aviation history, were flown at the NASA Dryden Flight Research Center, Edwards, Calif., as technology demonstrators to investigate a host of advanced concepts and technologies. The multi-phased program, conducted from 1984 to 1992, provided an engineering data base that is available in the design and development of future aircraft.
The concepts and technologies the fighter-size X-29 explored were the use of advanced composites in aircraft construction; variable camber wing surfaces; the unique forward-swept wing and its thin supercritical airfoil; strake flaps; close-coupled canards; and a computerized fly-by-wire flight control system to maintain control of the otherwise unstable aircraft.
Research results showed that the configuration of forward swept wings, coupled with movable canards, gave pilots excellent control response at up to 45 degrees angle of attack. During its flight history, the X-29s were flown on 422 research missions -- 242 by aircraft No. 1 in the Phase 1 portion of the program; 120 flights by aircraft No. 2 in Phase 2; and 60 flights in a follow-on vortex flow control (VFC) phase. An additional 12 non-research flights with X-29 No. 1 and 2 non-research flights with X-29 No. 2 raised the total number of flights with the two aircraft to 436.
Overall, VFC, like the forward swept wings, showed promise for the future of aircraft design. The X-29 did not demonstrate the overall reduction in aerodynamic drag that earlier studies had suggested, but this discovery should not be interpreted to mean that a more optimized design with forward swept wings could not yield a reduction in drag. Overall, the X-29 program demonstrated several new technologies as well as new uses of proven technologies. These included: aeroelastic tailoring to control structural divergence; use of a relatively large, close-coupled canard for longitudinal control; control of an aircraft with extreme instability while still providing good handling qualities; use of three-surface longitudinal control; use of a double-hinged trailing-edge flaperon at supersonic speeds; control effectiveness at high angle of attack; vortex control; and military utility of the overall design.
The X-29 was single-engine aircraft 48.1 feet long. Its forward swept wing had a span of 27.2 feet. Each X-29 was powered by a General Electric F404-GE-400 engine producing 16,000 pounds of thrust. Empty weight was 13,600 pounds, while takeoff weight was 17,600 pounds.
The aircraft had a maximum operating altitude of 50,000 feet, a maximum speed of Mach 1.6, and a flight endurance time of about one hour. The only significant difference between the two aircraft was an emergency spin chute deployment system mounted at the base of the rudder on aircraft No. 2. External wing structure was primarily composite materials incorporated into precise patterns to develop strength and avoid structural divergence. The wing substructure and the basic airframe itself was aluminum and titanium. Wing trailing edge actuators controlling camber were mounted externally in streamlined fairings because of the thinness of the supercritical airfoil.
Circa: 1992
EM-0035-05
This 26-second video shows the X-29 Forward Swept Wing performing high angle of attack maneuvers over the Mojave Desert in Southern California.
Two X-29A aircraft, featuring one of the most unusual designs in aviation history, were flown at the NASA Dryden Flight Research Center, Edwards, Calif., as technology demonstrators to investigate a host of advanced concepts and technologies. The multi-phased program, conducted from 1984 to 1992, provided an engineering data base that is available in the design and development of future aircraft.
The concepts and technologies the fighter-size X-29 explored were the use of advanced composites in aircraft construction; variable camber wing surfaces; the unique forward-swept wing and its thin supercritical airfoil; strake flaps; close-coupled canards; and a computerized fly-by-wire flight control system to maintain control of the otherwise unstable aircraft.
Research results showed that the configuration of forward swept wings, coupled with movable canards, gave pilots excellent control response at up to 45 degrees angle of attack. During its flight history, the X-29s were flown on 422 research missions -- 242 by aircraft No. 1 in the Phase 1 portion of the program; 120 flights by aircraft No. 2 in Phase 2; and 60 flights in a follow-on vortex flow control (VFC) phase. An additional 12 non-research flights with X-29 No. 1 and 2 non-research flights with X-29 No. 2 raised the total number of flights with the two aircraft to 436.
Overall, VFC, like the forward swept wings, showed promise for the future of aircraft design. The X-29 did not demonstrate the overall reduction in aerodynamic drag that earlier studies had suggested, but this discovery should not be interpreted to mean that a more optimized design with forward swept wings could not yield a reduction in drag. Overall, the X-29 program demonstrated several new technologies as well as new uses of proven technologies. These included: aeroelastic tailoring to control structural divergence; use of a relatively large, close-coupled canard for longitudinal control; control of an aircraft with extreme instability while still providing good handling qualities; use of three-surface longitudinal control; use of a double-hinged trailing-edge flaperon at supersonic speeds; control effectiveness at high angle of attack; vortex control; and military utility of the overall design.
The X-29 was single-engine aircraft 48.1 feet long. Its forward swept wing had a span of 27.2 feet. Each X-29 was powered by a General Electric F404-GE-400 engine producing 16,000 pounds of thrust. Empty weight was 13,600 pounds, while takeoff weight was 17,600 pounds.
The aircraft had a maximum operating altitude of 50,000 feet, a maximum speed of Mach 1.6, and a flight endurance time of about one hour. The only significant difference between the two aircraft was an emergency spin chute deployment system mounted at the base of the rudder on aircraft No. 2. External wing structure was primarily composite materials incorporated into precise patterns to develop strength and avoid structural divergence. The wing substructure and the basic airframe itself was aluminum and titanium. Wing trailing edge actuators controlling camber were mounted externally in streamlined fairings because of the thinness of the supercritical airfoil.
Circa: 1992
Surely each of you has come across images or videos of airplanes whose wings are turned in the other direction. This is called a forward-swept wing. The forward...
Surely each of you has come across images or videos of airplanes whose wings are turned in the other direction. This is called a forward-swept wing. The forward-swept configuration has a number of characteristics which increase as the angle of sweep increases. And today we will show you the 8 best forward-swept wing aircraft ever built!
For copyright matters please contact us at: [email protected]
Surely each of you has come across images or videos of airplanes whose wings are turned in the other direction. This is called a forward-swept wing. The forward-swept configuration has a number of characteristics which increase as the angle of sweep increases. And today we will show you the 8 best forward-swept wing aircraft ever built!
For copyright matters please contact us at: [email protected]
I hope everyone had a happy holiday period! I just needed to get one more design out in 2023! Today we will be looking at the Traveller small craft cradle, but ...
I hope everyone had a happy holiday period! I just needed to get one more design out in 2023! Today we will be looking at the Traveller small craft cradle, but first, a look at January 2024's first brand new Tribes model - my third take on a hypothetical SAAB JAS 41, Vampyren or "The Vampire" - an oldie but a goodie!
Check out our other stuff:
Our Webpage: https://www.2nddynasty.com/
Our My Mini Factory Page: https://www.myminifactory.com/users/2ndDynasty
Our last Kickstarter: https://www.kickstarter.com/projects/2nddynasty/operation-maelstrom?ref=5k7lrp
Our Social Media Links: https://www.2nddynasty.com/?page_id=105
I hope everyone had a happy holiday period! I just needed to get one more design out in 2023! Today we will be looking at the Traveller small craft cradle, but first, a look at January 2024's first brand new Tribes model - my third take on a hypothetical SAAB JAS 41, Vampyren or "The Vampire" - an oldie but a goodie!
Check out our other stuff:
Our Webpage: https://www.2nddynasty.com/
Our My Mini Factory Page: https://www.myminifactory.com/users/2ndDynasty
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An overview of some Forward-Swept Wing Aircraft.
More War Movie Content: https://www.youtube.com/johnnyjohnsonesq
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Movies/Games Featured:
Macross Plus 1995
X-Men: The Animated Series 1992
World of Warplanes (Video Game)
Stealth 2005
#aircraft #airforce #planes
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Editor: Stephanie Sammann
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Sound: Graham Haerther
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References:
[1] http://hugojunkers.bplaced.net/junkers-ef131.html
[2] https://www.nasa.gov/centers/armstrong/news/FactSheets/FS-008-DFRC.html https://apps.dtic.mil/dtic/tr/fulltext/u2/a124715.pdf
[3] http://www.dept.aoe.vt.edu/~mason/Mason_f/ConfigAeroTransonics.pdf
[4] http://bit.ly/2Y17MM2
[5] https://apps.dtic.mil/dtic/tr/fulltext/u2/271130.pdf
[6] http://www.srmuniv.ac.in/sites/default/files/downloads/class5-2012.pdf
[7] https://www.nasa.gov/centers/armstrong/news/FactSheets/FS-081-DFRC.html
[8] https://repository.lib.ncsu.edu/bitstream/handle/1840.16/2141/etd.pdf?sequence=1
https://youtu.be/pg-Qi5TYzK0?t=2161
[9] page 18 https://www.nasa.gov/sites/default/files/files/Sweeping_Forward.pdf
[10] https://youtu.be/LOmvrk3LPGc?t=421
[11] https://apps.dtic.mil/dtic/tr/fulltext/u2/a124715.pdf
[12] https://www.nasa.gov/centers/dryden/pdf/88172main_H-1574.pdf
[13] page 24 https://www.nasa.gov/sites/default/files/files/Sweeping_Forward.pdf
[14] https://www.nasa.gov/centers/dryden/pdf/120266main_FS-008-DFRC.pdf
[15] Page 124 https://www.nasa.gov/sites/default/files/files/Sweeping_Forward.pdf
https://youtu.be/LOmvrk3LPGc?t=999
[16] Page 127 https://www.nasa.gov/sites/default/files/files/Sweeping_Forward.pdf
[17] Page 208 https://www.nasa.gov/sites/default/files/files/Sweeping_Forward.pdf
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Episode 172 guest Rogers E. Smith describes his experiences flying the NASA X-29.
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While forward-swept wings offer some intriguing potential benefits like improved low-speed performance and higher lift. Unlike conventional swept-back wings, forward-swept wings experience a phenomenon called divergence, where the lift forces twist the wingtips upwards further, potentially leading to structural failure.
A swept wing angles backward from its root rather than sideways and is primarily used to increase the Mach-number capability of fast aircraft. This is a complex topic. If you are an engineer, you may wish for a more in-depth explanation. However, for us pilots, this video provides a simplified explanation. It briefly illustrates the theories behind the design of swept-back wings, their pros and cons, and we hope you will find it useful and interesting.
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EM-0035-05
This 26-second video shows the X-29 Forward Swept Wing performing high angle of attack maneuvers over the Mojave Desert in Southern California.
Two X-29A aircraft, featuring one of the most unusual designs in aviation history, were flown at the NASA Dryden Flight Research Center, Edwards, Calif., as technology demonstrators to investigate a host of advanced concepts and technologies. The multi-phased program, conducted from 1984 to 1992, provided an engineering data base that is available in the design and development of future aircraft.
The concepts and technologies the fighter-size X-29 explored were the use of advanced composites in aircraft construction; variable camber wing surfaces; the unique forward-swept wing and its thin supercritical airfoil; strake flaps; close-coupled canards; and a computerized fly-by-wire flight control system to maintain control of the otherwise unstable aircraft.
Research results showed that the configuration of forward swept wings, coupled with movable canards, gave pilots excellent control response at up to 45 degrees angle of attack. During its flight history, the X-29s were flown on 422 research missions -- 242 by aircraft No. 1 in the Phase 1 portion of the program; 120 flights by aircraft No. 2 in Phase 2; and 60 flights in a follow-on vortex flow control (VFC) phase. An additional 12 non-research flights with X-29 No. 1 and 2 non-research flights with X-29 No. 2 raised the total number of flights with the two aircraft to 436.
Overall, VFC, like the forward swept wings, showed promise for the future of aircraft design. The X-29 did not demonstrate the overall reduction in aerodynamic drag that earlier studies had suggested, but this discovery should not be interpreted to mean that a more optimized design with forward swept wings could not yield a reduction in drag. Overall, the X-29 program demonstrated several new technologies as well as new uses of proven technologies. These included: aeroelastic tailoring to control structural divergence; use of a relatively large, close-coupled canard for longitudinal control; control of an aircraft with extreme instability while still providing good handling qualities; use of three-surface longitudinal control; use of a double-hinged trailing-edge flaperon at supersonic speeds; control effectiveness at high angle of attack; vortex control; and military utility of the overall design.
The X-29 was single-engine aircraft 48.1 feet long. Its forward swept wing had a span of 27.2 feet. Each X-29 was powered by a General Electric F404-GE-400 engine producing 16,000 pounds of thrust. Empty weight was 13,600 pounds, while takeoff weight was 17,600 pounds.
The aircraft had a maximum operating altitude of 50,000 feet, a maximum speed of Mach 1.6, and a flight endurance time of about one hour. The only significant difference between the two aircraft was an emergency spin chute deployment system mounted at the base of the rudder on aircraft No. 2. External wing structure was primarily composite materials incorporated into precise patterns to develop strength and avoid structural divergence. The wing substructure and the basic airframe itself was aluminum and titanium. Wing trailing edge actuators controlling camber were mounted externally in streamlined fairings because of the thinness of the supercritical airfoil.
Circa: 1992
Surely each of you has come across images or videos of airplanes whose wings are turned in the other direction. This is called a forward-swept wing. The forward-swept configuration has a number of characteristics which increase as the angle of sweep increases. And today we will show you the 8 best forward-swept wing aircraft ever built!
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I hope everyone had a happy holiday period! I just needed to get one more design out in 2023! Today we will be looking at the Traveller small craft cradle, but first, a look at January 2024's first brand new Tribes model - my third take on a hypothetical SAAB JAS 41, Vampyren or "The Vampire" - an oldie but a goodie!
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A forward-swept wing is an aircraft wing configuration in which the quarter-chord line of the wing has a forward sweep. Typically, the leading edge also sweeps forward.
Characteristics
The forward-swept configuration has a number of characteristics which increase as the angle of sweep increases.
Main spar location
The rearward location of the main wing spar would lead to a more efficient interior arrangement with more usable space.
Inward spanwise flow
Air flowing over any swept wing tends to move spanwise towards the rearmost end of the wing. On a rearward-swept wing this is outwards towards the tip, while on a forward-swept wing it is inwards towards the root. As a result, the dangerous tip stall condition of a rearward-swept design becomes a safer and more controllable root stall on a forward swept design. This allows full aileron control despite loss of lift, and also means that drag-inducing leading edge slots or other devices are not required.
With the air flowing inwards, wingtip vortices and the accompanying drag are reduced, instead the fuselage acts as a very large wing fence and, since wings are generally larger at the root, this improves lift allowing a smaller wing.