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AK-X swept wing sailplane



 
 
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  #1  
Old July 17th 18, 06:10 PM posted to rec.aviation.soaring
Mike C
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Posts: 213
Default AK-X swept wing sailplane

Not much happening the past two years?

https://akaflieg-karlsruhe.de/tag/12-modell/

Anyone know of further progress?

Mike
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  #2  
Old July 17th 18, 08:59 PM posted to rec.aviation.soaring
Gianni Isotope
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Posts: 17
Default AK-X swept wing sailplane

A couple of additional videos have been posted to their YouTube channel in the past year, including a rod control stress test last month,
https://www.youtube.com/channel/UCtk...yeOH4Sl_Bjd4_A

  #3  
Old July 17th 18, 11:33 PM
Ventus_a Ventus_a is offline
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Posts: 138
Default

Quote:
Originally Posted by Mike C View Post
Not much happening the past two years?

https://akaflieg-karlsruhe.de/tag/12-modell/

Anyone know of further progress?

Mike
https://akaflieg-karlsruhe.de/2018/06/rumpf-verklebt/
  #4  
Old July 18th 18, 12:37 AM posted to rec.aviation.soaring
Charlie Quebec
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Posts: 57
Default AK-X swept wing sailplane

Just another waste of time and effort on the flying wing concept, and as usual, it will be worse than a normal sailplane of the same span area.
  #5  
Old July 18th 18, 03:59 AM posted to rec.aviation.soaring
AS
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Posts: 272
Default AK-X swept wing sailplane

On Tuesday, July 17, 2018 at 7:37:23 PM UTC-4, Charlie Quebec wrote:
Just another waste of time and effort on the flying wing concept, and as usual, it will be worse than a normal sailplane of the same span area.


Thank god all the US-based AKAFLIEGs concentrate on solving real problems and are delivering only concepts which can be commercialized right away and thereby assure the survival of the vibrant domestic glider manufacturing base. Sarcasm off

Uli
'AS'
  #6  
Old July 18th 18, 07:45 PM posted to rec.aviation.soaring
Andreas Maurer
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Posts: 342
Default AK-X swept wing sailplane

On Tue, 17 Jul 2018 16:37:22 -0700 (PDT), Charlie Quebec
wrote:

Just another waste of time and effort on the flying wing concept, and as usual, it will be worse than a normal sailplane of the same span area.


Please elaborate - you seem to have far more knowledge about the AK-X
than anyone else.

Thank you very much
Andreas

  #7  
Old July 18th 18, 09:53 PM posted to rec.aviation.soaring
Bob Kuykendall
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Default AK-X swept wing sailplane

You're welcome.

--Bob K.


Thank god all the US-based AKAFLIEGs concentrate on solving real problems and are delivering only concepts which can be commercialized right away and thereby assure the survival of the vibrant domestic glider manufacturing base. Sarcasm off

Uli
'AS'


  #8  
Old July 19th 18, 04:45 AM posted to rec.aviation.soaring
Eric Greenwell[_4_]
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Posts: 1,054
Default AK-X swept wing sailplane

Charlie Quebec wrote on 7/17/2018 4:37 PM:
Just another waste of time and effort on the flying wing concept, and as usual, it will be worse than a normal sailplane of the same span area.

Students pursuing the same thing the manufacturers are pursuing seems a like
bigger waste of time and effort. They are supposed to learning, and working on
difficult problems without the need to be profitable sounds like a good way to
achieve that learning.

--
Eric Greenwell - Washington State, USA (change ".netto" to ".us" to email me)
- "A Guide to Self-Launching Sailplane Operation"
https://sites.google.com/site/motorg...ad-the-guide-1
- "Transponders in Sailplanes - Dec 2014a" also ADS-B, PCAS, Flarm

http://soaringsafety.org/prevention/...anes-2014A.pdf
  #9  
Old July 19th 18, 07:44 AM posted to rec.aviation.soaring
BruceGreeff
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Posts: 185
Default AK-X swept wing sailplane

On 2018/07/19 06:45, Eric Greenwell wrote:
Charlie Quebec wrote on 7/17/2018 4:37 PM:
Just another waste of time and effort on the flying wing concept, and
as usual, it will be worse than a normal sailplane of the same span area.

Students pursuing the same thing the manufacturers are pursuing seems a
like bigger waste of time and effort. They are supposed to learning, and
working on difficult problems without the need to be profitable sounds
like a good way to achieve that learning.

Hi Eric

You have to think about this in the context of the German education system.
These projects are not part of the formal syllabus. They are voluntary,
additional projects.
The best compete to be able to participate in the AKAVlieg programmes,
where they get to apply their coursework to the practical
industrialisation - DesignBuildEvaluate of their ideas.

Consequently they turn out engineers with decent practical experience in
leading edge manufacture. Not a bad approach - especially considering
the direct engagement with peers, and product manufacturers, and
academics. These engineers and scientists also get to test their
product. Good for focussing the mind.

I doubt there is any pressure, expectation or ambition for their
experimental design to be a commercial success, Or even necessarily to
advance flight performance. It may be primarily about fabrication
techniques. This one could well be about controlability... Who knows.

Empirically he approach seems to work. The most recent, successful
startup in glider manufacture -Jonker Sailplanes uses exactly this model.

Bruce
  #10  
Old July 19th 18, 08:04 AM posted to rec.aviation.soaring
Andy Blackburn[_3_]
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Posts: 482
Default AK-X swept wing sailplane

On Wednesday, July 18, 2018 at 11:45:06 AM UTC-7, Andreas Maurer wrote:
On Tue, 17 Jul 2018 16:37:22 -0700 (PDT), Charlie Quebec

Just another waste of time and effort on the flying wing concept, and as usual, it will be worse than a normal sailplane of the same span area.


Please elaborate - you seem to have far more knowledge about the AK-X
than anyone else.

Thank you very much
Andreas



I was hoping to get an explanation of what "span area" is.

Andy
 




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