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Polar with spoilers extended?



 
 
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  #1  
Old October 24th 07, 10:29 PM posted to rec.aviation.soaring
Vaughn Simon
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Posts: 735
Default High on Final, Summary; was Polar with spoilers extended?


"5Z" wrote in message
ups.com...

perhaps a 270 degree turn from base to final. But only if the weather
is considered to be benign. I watched an ASW-22BL do this at a fairly
low altitude while going into a fairly short field on a relatively
calm day and it made sense. Due to the ship's low sink rate, the
pilot was able to drop perhaps 100' and also end up slightly farther
away from the touchdown spot.



My gosh, an honestly new idea (at least to me). In my book, that qualifies
as #7. It would not be my first choice, but if you allow yourself get to the
point where your best choices are behind you, the 270 degree turn from base to
final could be the better of several bad options.

Vaughn


  #2  
Old October 25th 07, 12:00 AM posted to rec.aviation.soaring
Tony Verhulst
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Posts: 193
Default High on Final, Summary; was Polar with spoilers extended?


My gosh, an honestly new idea (at least to me). In my book, that qualifies
as #7. It would not be my first choice, but if you allow yourself get to the
point where your best choices are behind you, the 270 degree turn from base to
final could be the better of several bad options.



My choice, given this situation. would be one or more figure 8's with
all turns toward the runway. In a 270, the first third of the turn is
heading away from the runway - not good down low if you hit unexpected sink.

Tony V. "6N"
  #3  
Old October 25th 07, 12:24 AM posted to rec.aviation.soaring
Martin Gregorie[_1_]
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Posts: 276
Default High on Final, Summary; was Polar with spoilers extended?

Tony Verhulst wrote:

My gosh, an honestly new idea (at least to me). In my book, that
qualifies as #7. It would not be my first choice, but if you allow
yourself get to the point where your best choices are behind you, the
270 degree turn from base to final could be the better of several bad
options.



My choice, given this situation. would be one or more figure 8's with
all turns toward the runway. In a 270, the first third of the turn is
heading away from the runway - not good down low if you hit unexpected
sink.

But would you prefer a figure 8 to a 270 in something with as low a roll
rate as an ASW22 or ASH25?


--
martin@ | Martin Gregorie
gregorie. | Essex, UK
org |
  #4  
Old October 25th 07, 01:06 AM posted to rec.aviation.soaring
Tony Verhulst
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Posts: 193
Default High on Final, Summary; was Polar with spoilers extended?


My choice, given this situation. would be one or more figure 8's with
all turns toward the runway. In a 270, the first third of the turn is
heading away from the runway - not good down low if you hit unexpected
sink.

But would you prefer a figure 8 to a 270 in something with as low a roll
rate as an ASW22 or ASH25?



Good point! I've not flown these gliders and maybe, in these, a 270 is
preferable - I don't know, you tell me :-). My glider is an LS6.

Tony V.
  #5  
Old October 25th 07, 01:19 PM posted to rec.aviation.soaring
Martin Gregorie[_1_]
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Posts: 276
Default High on Final, Summary; was Polar with spoilers extended?

Tony Verhulst wrote:

My choice, given this situation. would be one or more figure 8's with
all turns toward the runway. In a 270, the first third of the turn is
heading away from the runway - not good down low if you hit
unexpected sink.

But would you prefer a figure 8 to a 270 in something with as low a
roll rate as an ASW22 or ASH25?



Good point! I've not flown these gliders and maybe, in these, a 270 is
preferable - I don't know, you tell me :-). My glider is an LS6.

I was asking, not telling!

Apart from club two seaters, all my flying has been in 15m types,
currently a Libelle. I've had one ride in an ASH-25 and flown a Nimbus 3
once. In both cases the low roll rate and high inertia round all axes
struck me as being very different from my usual mounts. I raised the
issue in the hopes of getting a response from pilots who regularly fly
big wings.


--
martin@ | Martin Gregorie
gregorie. | Essex, UK
org |
 




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