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Flaps/No flaps...practical difference??



 
 
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  #1  
Old August 12th 19, 11:21 PM posted to rec.aviation.soaring
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Default Flaps/No flaps...practical difference??

For simple long pleasure flights in the western US or for the rare flights in the Alps would I notice any real PRACTICAL difference between a Discus 2c and other flapped 18m ships? I have NO interest in competition. Thanks
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  #2  
Old August 12th 19, 11:50 PM posted to rec.aviation.soaring
JS[_5_]
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Default Flaps/No flaps...practical difference??

On Monday, August 12, 2019 at 3:21:23 PM UTC-7, wrote:
For simple long pleasure flights in the western US or for the rare flights in the Alps would I notice any real PRACTICAL difference between a Discus 2c and other flapped 18m ships? I have NO interest in competition. Thanks


One consideration is what to do when a tow is too slow and not getting faster, particularly when full of water.
Pull in an extra notch of flaps, or...
Jim
  #3  
Old August 13th 19, 01:05 AM posted to rec.aviation.soaring
Dan Marotta
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Default Flaps/No flaps...practical difference??

You'll have something to do with your left hand.

On 8/12/2019 4:21 PM, wrote:
For simple long pleasure flights in the western US or for the rare flights in the Alps would I notice any real PRACTICAL difference between a Discus 2c and other flapped 18m ships? I have NO interest in competition. Thanks


--
Dan, 5J
  #4  
Old August 13th 19, 01:24 AM posted to rec.aviation.soaring
Gary Wayland
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Default Flaps/No flaps...practical difference??

On Monday, August 12, 2019 at 6:21:23 PM UTC-4, wrote:
For simple long pleasure flights in the western US or for the rare flights in the Alps would I notice any real PRACTICAL difference between a Discus 2c and other flapped 18m ships? I have NO interest in competition. Thanks


Well, on that pleasure flight, as he blows by you at 100 knots. When are we not in competition? And, the pilot has the same wingspan to do it...

Now, if you get a Libelle, you can out thermal them all!

"SQ"
  #5  
Old August 13th 19, 02:34 AM posted to rec.aviation.soaring
George Haeh
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Default Flaps/No flaps...practical difference??

Landing flaps in Schleicher ships give you a nice steep approach and aileron control once on the ground.

Negative flap helps with aileron control in the initial ground run on aerotow.

But each available flap setting gives you another opportunity to get it wrong.

Exceeding maximum speed for a given flap setting can make bad things happen. Pay attention to the white triangles on the airspeed.
  #6  
Old August 13th 19, 03:22 AM
Brett Brett is offline
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[quote=Brett;997703]I have about 500 hours in a D2C (18m). And a number of 18m flapped gliders since. The D2C is a beautiful sailplane to fly and very competitive. If you fly under 100kts it gives very little away to a V2cx.
I had no problems towing full of water or landing short. Very docile handling.
AND it will easily out-climb a Libelle.
I highly recommend it for your type of flying.

Brett
  #7  
Old August 13th 19, 05:02 AM posted to rec.aviation.soaring
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Default Flaps/No flaps...practical difference??

What George and JS said and in addition, landing speed and the angle of attack needed to lift off at high wing loadings.
  #8  
Old August 13th 19, 10:12 PM posted to rec.aviation.soaring
6PK
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Default Flaps/No flaps...practical difference??

Snip/paste: "AND it will easily out-climb a Libelle. "
I very much doubt that....!
  #9  
Old August 14th 19, 02:35 AM posted to rec.aviation.soaring
Gary Wayland
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Default Flaps/No flaps...practical difference??

On Tuesday, August 13, 2019 at 2:43:09 AM UTC-4, Brett wrote:
Brett;997703 Wrote:
I have about 500 hours in a D2C (18m). And a number of 18m flapped
gliders since. The D2C is a beautiful sailplane to fly and very
competitive. If you fly under 100kts it gives very little away to a
V2cx.
I had no problems towing full of water or landing short. Very docile
handling.
AND it will easily out-climb a Libelle.
I highly recommend it for your type of flying.

Brett






--
Brett


Who was the slug in that Libelle? No one can out thermal a Libelle! lol


Just kidding... I have a sweet spot for the Libelle. My first Sailplane. 250 hours that first year. She was a fun machine... No plane in that era ever flew through that glider in a thermal...

For the money, based on the thermal aspects and pure fun, I can't think any other plane that matches it that was in standard class for its time. I'm biased, of course...

Gary
"SQ"
ASW27b
  #10  
Old August 14th 19, 02:38 AM posted to rec.aviation.soaring
Gary Wayland
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Default Flaps/No flaps...practical difference??

On Tuesday, August 13, 2019 at 5:12:37 PM UTC-4, 6PK wrote:
Snip/paste: "AND it will easily out-climb a Libelle. "
I very much doubt that....!


Ok, we are friends! Viva la Libelle!
 




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