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DG-101 - increase performance/sealing/winglets(?)



 
 
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  #31  
Old July 15th 19, 11:17 PM posted to rec.aviation.soaring
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Default DG-101 - increase performance/sealing/winglets(?)

On Monday, July 15, 2019 at 1:34:00 PM UTC-4, Charlie M. (UH & 002 owner/pilot) wrote:
For many ships....the Butler/later Nixon air extractor can suitably vent a cockpit and limit high pressure air not through the wing leaks......
Yes.....various gap seals on wing control surfaces help.
Yes...."boots" of some sort where the wing to fuselage joint is helps.
Yes....many older "glass" ships had shrinkage on spars and dive brake caps...... profiling can help....best profiling won't fix a poor airfoil, but can make a poor airfoil work at max design. Basically, make it work as designed....usually stay away from bugs and rain.....


Air extractor described can be big improvement but not approved in EASA world for most ships.
UH
  #32  
Old July 16th 19, 08:21 AM posted to rec.aviation.soaring
Glidingstuff[_2_]
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Default DG-101 - increase performance/sealing/winglets(?)


Air extractor described can be big improvement but not approved in EASA world for most ships.
UH


http://ljpanels.co.uk/test/index.php...xtractor-ducts

We got his guy to make an extractor for the panel on our ASH 25 M. Works a treat. Really improved the ventilation by dragging air from the cockpit. With vents closed you can feel the air being sucked in through gaps in the canopy frame. We sent him the one on the ASH and he used it as a pattern.

Wings and Wheels sell his ASW 20 and ASW 19 versions.

Cheers

Paul



 




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