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Stretching the Final Glide



 
 
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  #21  
Old December 13th 09, 05:51 PM posted to rec.aviation.soaring
LimaZulu
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Posts: 7
Default Stretching the Final Glide

Low final glide on youtube!

You all should read explanation at the end of video, why so low final
part of glide from last thermal actually happened.
With usual rules where finish line is on the airfield, result is
somethimes such a low final part, however unexpected. It is result of
strong sink which cut off 200m of reserve!
Such strong sinks are known during final glides in Nitra from same
direction.

Please read also excelent article on safer finishes, by John Cochrane,
arguing for a high finish gate and no rolling finishes to reduce
accidents on and near the home airport.

http://faculty.chicagobooth.edu/john...20finishes.doc

Regards,

Luka Znidarsic, pilot in command during low final glide in this video!

Another solution is also FES system:
www.front-electric-sustainer.com
  #22  
Old December 14th 09, 04:53 AM posted to rec.aviation.soaring
John Bojack[_2_]
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Posts: 40
Default Stretching the Final Glide

Holy Cow! That seemed like an unbelievably flat (and successful) glide into
the field that's almost not visible at the start of it all. Amazing.
Especially when it looks like it's all over and then he turns to fly over
the trees for another mile! Am I the only glider pilot that runs into sink
at times like that?

J4



"LimaZulu" wrote in message
...
Low final glide on youtube!

You all should read explanation at the end of video, why so low final
part of glide from last thermal actually happened.
With usual rules where finish line is on the airfield, result is
somethimes such a low final part, however unexpected. It is result of
strong sink which cut off 200m of reserve!
Such strong sinks are known during final glides in Nitra from same
direction.

Please read also excelent article on safer finishes, by John Cochrane,
arguing for a high finish gate and no rolling finishes to reduce
accidents on and near the home airport.

http://faculty.chicagobooth.edu/john...20finishes.doc

Regards,

Luka Znidarsic, pilot in command during low final glide in this video!

Another solution is also FES system:
www.front-electric-sustainer.com



  #23  
Old December 14th 09, 09:07 AM posted to rec.aviation.soaring
jimboffin
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Posts: 15
Default Stretching the Final Glide

On 11 Dec, 21:09, jeplane wrote:
This guy is an idiot.

It's far from showing an example. He is cutting it way too close to
the trees toward the end of the video, as well as only 50 feet
perhaps, above a power line like Tony mentions.

I would be ****ed if I saw anyone doing that at my local airport!....:-
(

Richard
Phoenix, AZ


Looked like a pretty well judged final glide to me. He had enough
height to put in a 30 degree banked turn prior to landing and
sufficient energy remaining to do a very long ground run to the glider
rigging area. I'll bet if we could see his asi we would see that he
deliberately put it low to increase glide performance over the last
field.

I believe that ground effect final glides of up to 5km have been used
at Nitra in previous contests.

Jim
  #24  
Old December 14th 09, 01:24 PM posted to rec.aviation.soaring
Andy[_10_]
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Posts: 261
Default Stretching the Final Glide

On Dec 13, 9:51*am, LimaZulu wrote:
Low final glide on youtube!

You all should read explanation at the end of video, why so low final
part of glide from last thermal actually happened.
With usual rules where finish line is on the airfield, result is
somethimes such a low final part, however unexpected. It is result of
strong sink which cut off 200m of reserve!
Such strong sinks are known during final glides in Nitra from same
direction.

Please read also excelent article on safer finishes, by John Cochrane,
arguing for a high finish gate and no rolling finishes to reduce
accidents on and near the home airport.

http://faculty.chicagobooth.edu/john...Papers/safer%2...

Regards,

Luka Znidarsic, pilot in command during low final glide in this video!

Another solution is also FES system:www.front-electric-sustainer.com


  #25  
Old December 14th 09, 01:36 PM posted to rec.aviation.soaring
Andy[_10_]
external usenet poster
 
Posts: 261
Default Stretching the Final Glide

On Dec 13, 9:51*am, LimaZulu wrote:
Low final glide on youtube!

You all should read explanation at the end of video, why so low final
part of glide from last thermal actually happened.
With usual rules where finish line is on the airfield, result is
somethimes such a low final part, however unexpected. It is result of
strong sink which cut off 200m of reserve!
Such strong sinks are known during final glides in Nitra from same
direction.

Please read also excelent article on safer finishes, by John Cochrane,
arguing for a high finish gate and no rolling finishes to reduce
accidents on and near the home airport.

http://faculty.chicagobooth.edu/john...Papers/safer%2...

Regards,

Luka Znidarsic, pilot in command during low final glide in this video!

Another solution is also FES system:www.front-electric-sustainer.com


Goes to show that the reserves many of us use are not adequate for
100% of the situations encountered on final glide. I use 300 meters
(1,000 ft) of buffer above a 4 knot McCready and in the western US
even that won't protect you from the worst sink. If you don't know
there are good fields along the last 5-10 miles before the airport
don't push it.

9B
  #26  
Old December 16th 09, 10:50 PM posted to rec.aviation.soaring
db_sonic
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Posts: 25
Default Stretching the Final Glide

Low final glide on youtube!


This is really something to watch for those of us who tend to play it
more conservative.
Thanks for posting.
 




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