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XC Tracer



 
 
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  #1  
Old April 18th 19, 01:16 AM posted to rec.aviation.soaring
Deming Gray
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Posts: 23
Default XC Tracer

Hello,

I learned about a mini variometer that purports to have zero time lag. It is called the XC Tracer (https://www.xctracer.com/en/tech-spe...=1861&lang=en). There are versions with FLARM, igc loggers and is solar powered. It is aimed at the hang gliding market. Has anyone used on in a sailplane? If so, how did it perform? Could you recommend it?

Thanks,

D
  #2  
Old April 18th 19, 01:24 AM posted to rec.aviation.soaring
Dave Nadler
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Default XC Tracer

On Wednesday, April 17, 2019 at 8:16:41 PM UTC-4, Deming Gray wrote:
I learned about a mini variometer that purports to have zero time lag...


Zero lag? For a hang-glider, sure, but... You might want to read:
http://www.nadler.com/sn10/Brozel_TE...n_20020510.pdf

Of course, a usable super-fast vario is possible, but not that way...
Back to the lab now ;-)
  #3  
Old April 18th 19, 12:17 PM posted to rec.aviation.soaring
[email protected]
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Posts: 478
Default XC Tracer

I've heard of it. The PG folks seem to like them, obviously they don't need compensation. Thought it might be interesting as a relatively cheap flarm device, alas it is crippled and gives flarm out to everyone but only flarm in from PGS and HGs. Wonder why?
  #4  
Old April 18th 19, 01:03 PM posted to rec.aviation.soaring
Deming Gray
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Posts: 23
Default XC Tracer

On Wednesday, April 17, 2019 at 8:25:01 PM UTC-4, Dave Nadler wrote:
On Wednesday, April 17, 2019 at 8:16:41 PM UTC-4, Deming Gray wrote:
I learned about a mini variometer that purports to have zero time lag...


Zero lag? For a hang-glider, sure, but... You might want to read:
http://www.nadler.com/sn10/Brozel_TE...n_20020510.pdf

Of course, a usable super-fast vario is possible, but not that way...
Back to the lab now ;-)


Great report Dave, thanks for sharing.

D
  #5  
Old April 18th 19, 02:14 PM posted to rec.aviation.soaring
Tango Whisky
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Posts: 402
Default XC Tracer

Le jeudi 18 avril 2019 13:17:57 UTC+2, a écritÂ*:
I've heard of it. The PG folks seem to like them, obviously they don't need compensation. Thought it might be interesting as a relatively cheap flarm device, alas it is crippled and gives flarm out to everyone but only flarm in from PGS and HGs. Wonder why?


For a PG, Flarm in from a glider is useless - they can't react to it anyways due to the difference in speed.
  #6  
Old April 18th 19, 06:03 PM posted to rec.aviation.soaring
Tim Newport-Peace[_6_]
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Posts: 65
Default XC Tracer

At 13:14 18 April 2019, Tango Whisky wrote:
Le jeudi 18 avril 2019 13:17:57 UTC+2, a

=C3=A9crit=C2=
=A0:
I've heard of it. The PG folks seem to like them, obviously they don't

n=
eed compensation. Thought it might be interesting as a relatively cheap
fl=
arm device, alas it is crippled and gives flarm out to everyone but only
fl=
arm in from PGS and HGs. Wonder why?

For a PG, Flarm in from a glider is useless - they can't react to it
anyway=
s due to the difference in speed.

From their web page:

"Please take note that XC Tracer II FLARM is made for paraglider and hang
glider pilots flying in Europe, there is no FCC certification planned."


  #7  
Old April 19th 19, 01:12 AM posted to rec.aviation.soaring
[email protected]
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Posts: 465
Default XC Tracer

Questions in my mind: Can it be plumbed to a TE probe? I've heard the "no lag" feature comes from its use of accelerometers. If no TE probe and you do a zoomie, how do the accelerometers react? Anyway, has anybody used it in a sailplane?
 




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