Themi

[Mathilde Akar]

I'm looking for some info on THEMI: How do they work,
what's the technology used, etc. Can you help?

[Mal]

http://search.ninemsn.com.au/results.aspx?srch=105&FORM=AS5&q=THEMI

= http://www.eglider.org/themi.htm

"Mathilde Akar" > wrote in message
...
> I'm looking for some info on THEMI: How do they work,
> what's the technology used, etc. Can you help?
>
>
>

[Marc Ramsey]

Mathilde Akar wrote:
> I'm looking for some info on THEMI: How do they work,
> what's the technology used, etc. Can you help?

How about this:

http://patft.uspto.gov/netahtml/srchnum.htm
Look for patent number 6,089,506

[Ian Strachan]

In article >, Mathilde Akar
> writes

>I'm looking for some info on THEMI: How do they work,
>what's the technology used, etc. Can you help?

How about looking at the IGC-approval document for this recorder.
IGC-approval documents for all recorders are available through:

www.fai.org/gliding/gnss

--
Ian Strachan
Chairman IGC GFA Committee

[Paul Remde]

Hi Mathilde,

The Themi manual explains it to a certain extent. It is available on my web
site here:
http://www.cumulus-soaring.com/themi.htm

It uses GPS position and pressure altitude data to estimate where the center
of the thermal is. It then uses LED indicators near the top of the
instrument panel to guide you to the center. A friend of mine uses a Themi
in his DG-1000 and likes it.

Good Soaring,
Paul E. Remde
Cumulus Soaring, Inc.
http://www.cumulus-soaring.com
1-952-445-9033
3M Tape, Airpath Compasses, Birecki Software, Cambridge Aero Instruments,
Walter Dittel Radios, EMTAC GPS, Filser, flyWithCE, Garmin, Garrecht
Volkslogger, Glide Navigator II, Goddard, ICOM Radios, ILEC, Intercomp, LX
Navigation, Power-Sonic Batteries, RAM, Rikaline GPS, Scheffel Automation
Themi, Schumacher Chargers, Schweizer, SeeYou & SeeYou Mobile, StrePla &
pocket*StrePla, Tasman Varios, Transplant GPS, United Instruments
Altimeters, Vertex Standard Radios, Winter, Xenotronix Chargers

"Mathilde Akar" > wrote in message
...
> I'm looking for some info on THEMI: How do they work,
> what's the technology used, etc. Can you help?
>
>
>

[Thomas Knauff]

One of my concerns about some devices is the amount of attention needed from
the pilot. Head-down looking at an instrument time, must be kept to a
minimum for safety reasons.

Themi uses two bright, LED lights mounted near the top of the instrument
panel (typical) so they are in your field of view.
The light or lights, only come on if Themi has a suggestion to make, so the
light(s) are easy to notice without ever looking at them.

Themi is most valuable on blue days, or at low altitudes, when clouds are of
little help. Themi really works!

Detailed information can be found on our web site www.eglider.org.

Tom Knauff
Knauff & Grove Soaring Supplies

[Guy Byars]

> Themi uses two bright, LED lights mounted near the top of the instrument
> panel (typical) so they are in your field of view.
> The light or lights, only come on if Themi has a suggestion to make, so
the
> light(s) are easy to notice without ever looking at them.


Better yet, they ought to develop a STEREO audio vario. Hear the tone in
your left ear, turn left, or turn right when you hear it in your right ear.
Even better would be quadra-pnonic... The tone would appear to eminate from
the center of the lift... left, right, front, or back, you would know where
the lift was without ever looking at he panel.

Guy Byars

[Thomas Knauff]

Themi does exactly that with lights, while you listen to your audio vario
and watch outside for clues of lift and other aircraft.
Just for claification, Themi does not find thermals. It only directs you to
the center of the best lift it experiences after you have found one. At
least one champion of the USA's Nationals uses it.

Tom Knauff

"Guy Byars" > wrote in message
...
>
> > Themi uses two bright, LED lights mounted near the top of the instrument
> > panel (typical) so they are in your field of view.
> > The light or lights, only come on if Themi has a suggestion to make, so
> the
> > light(s) are easy to notice without ever looking at them.
>
>
> Better yet, they ought to develop a STEREO audio vario. Hear the tone in
> your left ear, turn left, or turn right when you hear it in your right
ear.
> Even better would be quadra-pnonic... The tone would appear to eminate
from
> the center of the lift... left, right, front, or back, you would know
where
> the lift was without ever looking at he panel.
>
> Guy Byars
>
>

[[email protected]]

Guy Byars wrote:
> Better yet, they ought to develop a STEREO audio vario. Hear the
tone in
> your left ear, turn left, or turn right when you hear it in your
right ear.
> Even better would be quadra-pnonic... The tone would appear to
eminate from
> the center of the lift... left, right, front, or back, you would know
where
> the lift was without ever looking at he panel.
>
> Guy Byars

Hey Guy, you must have attended one of my technology forecasts back in
the early 90s ;-) Anyway, what you really want is sonic holography
that gives you not only the direction but distance information.
Requires
a head-tracker and a bit of DSP, now cost-effective except that the
development costs are unlikely sustained by our teeney market...
Best Regards, Dave "YO"

[[email protected]]

Being forced to fly occasionally in blue conditions and often finding
myself low on course, I found this to be an intriguing concept
(ignoring the fact that it's yet another way to increase the cost of
competition). But I hadn't heard that any "name" pilots were using it
apart from Tom's tests.

Does anyone know of any experts who have given it the official stamp of
approval (i.e., by actually spending his/her own money to buy one)?
Chip Bearden
ASW 24 "JB"

[[email protected]]

Now, you probably wouldn't call me an 'expert', Chip, but I'll give it
a try anyway:
WinPilot Pro has a 'climb maximizer that comes on when you start
circling. I didn't spend money on it since it was part of the package.
It does pretty much what "Themi" claims (same algorithm?). It gives
you an audio tone to fly straight for a little and by doing so guides
you to the center of the thermal. There is an elaborate and well made
graphic on the IPAQ panel but we keep our eyes outside the cockpit,
don't we! Comments: it works well and the prompts come when I would
normally initiate moving my circle. When losing the thermal it shows
an arrow of varying lenght to guide you back. Look at the WinPilot
website for details. Best thing: you can turn it off!
Herbert, J7

wrote:
> Being forced to fly occasionally in blue conditions and often finding
> myself low on course, I found this to be an intriguing concept
> (ignoring the fact that it's yet another way to increase the cost of
> competition). But I hadn't heard that any "name" pilots were using it
> apart from Tom's tests.
>
> Does anyone know of any experts who have given it the official stamp
of
> approval (i.e., by actually spending his/her own money to buy one)?
> Chip Bearden
> ASW 24 "JB"

[[email protected]]

Herbert,

You finish above me often enough that I'm paying attention. :)

Seriously, I've heard at least one other good contest pilot also sing
the praises of WinPilot's climb maximizer. I'm intrigued, but dissuaded
by the cost of upgrading to an IPAQ (from my handful of 1500s)
including the assorted cables and brackets, and the software itself
(from GNII). Oh, and as I understand it, to get the climb maximizer
feature, I'd also have to "upgrade" from my old reliable LNAV to a 302
or investigate the SN-10 or Borgelt.

As it is, I've got to buy a backup flight recorder before next season
after not one but two hardware failures during the past two seasons.

But it's interesting to think about over the U.S. winter. Thanks for
the input.

Chip

wrote:
> Now, you probably wouldn't call me an 'expert', Chip, but I'll give
it
> a try anyway:
> WinPilot Pro has a 'climb maximizer that comes on when you start
> circling. I didn't spend money on it since it was part of the
package.
> It does pretty much what "Themi" claims (same algorithm?). It gives
> you an audio tone to fly straight for a little and by doing so guides
> you to the center of the thermal. There is an elaborate and well made
> graphic on the IPAQ panel but we keep our eyes outside the cockpit,
> don't we! Comments: it works well and the prompts come when I would
> normally initiate moving my circle. When losing the thermal it shows
> an arrow of varying lenght to guide you back. Look at the WinPilot
> website for details. Best thing: you can turn it off!
> Herbert, J7
>
> wrote:
> > Being forced to fly occasionally in blue conditions and often
finding
> > myself low on course, I found this to be an intriguing concept
> > (ignoring the fact that it's yet another way to increase the cost
of
> > competition). But I hadn't heard that any "name" pilots were using
it
> > apart from Tom's tests.
> >
> > Does anyone know of any experts who have given it the official
stamp
> of
> > approval (i.e., by actually spending his/her own money to buy one)?
> > Chip Bearden
> > ASW 24 "JB"

[Tony Verhulst]

> It does pretty much what "Themi" claims (same algorithm?). It gives
> you an audio tone to fly straight for a little and by doing so guides
> you to the center of the thermal.

How do I interface this with my auto pilot?

Tony "tongue only slightly in cheek" V.
http://home.comcast.net/~verhulst/SOARING

[Eric Greenwell]

Tony Verhulst wrote:
>
>> It does pretty much what "Themi" claims (same algorithm?). It gives
>> you an audio tone to fly straight for a little and by doing so guides
>> you to the center of the thermal.
>
>
> How do I interface this with my auto pilot?
>
> Tony "tongue only slightly in cheek" V.
> http://home.comcast.net/~verhulst/SOARING

You buy an ASH 25, talk Karl S., Gary I, or some such to sit in the back
seat and wait untill he says "you auto turn left[right] ..." as needed.

--
Change "netto" to "net" to email me directly

Eric Greenwell
Washington State
USA

[[email protected]]

If you are interested in learning more about the WinPilot Climb
Maximizer and WinPilot Software. See my website www.craggyaero.com and
give me a call.

Richard
www.craggyaero.com

wrote:
> Now, you probably wouldn't call me an 'expert', Chip, but I'll give
it
> a try anyway:
> WinPilot Pro has a 'climb maximizer that comes on when you start
> circling. I didn't spend money on it since it was part of the
package.
> It does pretty much what "Themi" claims (same algorithm?). It gives
> you an audio tone to fly straight for a little and by doing so guides
> you to the center of the thermal. There is an elaborate and well made
> graphic on the IPAQ panel but we keep our eyes outside the cockpit,
> don't we! Comments: it works well and the prompts come when I would
> normally initiate moving my circle. When losing the thermal it shows
> an arrow of varying lenght to guide you back. Look at the WinPilot
> website for details. Best thing: you can turn it off!
> Herbert, J7
>
> wrote:
> > Being forced to fly occasionally in blue conditions and often
finding
> > myself low on course, I found this to be an intriguing concept
> > (ignoring the fact that it's yet another way to increase the cost
of
> > competition). But I hadn't heard that any "name" pilots were using
it
> > apart from Tom's tests.
> >
> > Does anyone know of any experts who have given it the official
stamp
> of
> > approval (i.e., by actually spending his/her own money to buy one)?
> > Chip Bearden
> > ASW 24 "JB"

[[email protected]]

Richard,

Since you are getting plenty free advertising out of this thread, how
about giving me the next WinPilot Pro update for free? I'm getting
sick of paying $50 each year to stay ahead of the Jones'es, Bearden's
et al...

Herbert, J7

[Doug Cline]

I have used the Climb Maximizer feature in Winpilot Pro for the past 5
seasons and have found it to be a remarkably effective guide for optimizing
climb rate in thermals. The Climb maximizer audio feature, coupled with seat
of your pants sensing of vertical acceleration, provide a safe and reliable
heads-up guide to thermalling. Multicore thermals can confuse interpretation
of the audio signals but this is ameliorated by a quick glance at the
WinPilot visual display.
Doug V

> wrote in message
ups.com...
> Now, you probably wouldn't call me an 'expert', Chip, but I'll give it
> a try anyway:
> WinPilot Pro has a 'climb maximizer that comes on when you start
> circling. I didn't spend money on it since it was part of the package.
> It does pretty much what "Themi" claims (same algorithm?). It gives
> you an audio tone to fly straight for a little and by doing so guides
> you to the center of the thermal. There is an elaborate and well made
> graphic on the IPAQ panel but we keep our eyes outside the cockpit,
> don't we! Comments: it works well and the prompts come when I would
> normally initiate moving my circle. When losing the thermal it shows
> an arrow of varying lenght to guide you back. Look at the WinPilot
> website for details. Best thing: you can turn it off!
> Herbert, J7
>
> wrote:
> > Being forced to fly occasionally in blue conditions and often finding
> > myself low on course, I found this to be an intriguing concept
> > (ignoring the fact that it's yet another way to increase the cost of
> > competition). But I hadn't heard that any "name" pilots were using it
> > apart from Tom's tests.
> >
> > Does anyone know of any experts who have given it the official stamp
> of
> > approval (i.e., by actually spending his/her own money to buy one)?
> > Chip Bearden
> > ASW 24 "JB"
>

[Jim Kelly]

One thing to note FWIW:

WinPilot only helps with thermal centering when a (select list
of) panel-mounted varios is available to act as a source for very
accurate pressure changes, adjusted to compensate for stick-lift,
etc, by the use of the TE tube, etc. Their 'Advanced' product
gives almost all functionality of the 'Pro' and gets it's info
from any GPS - but does not provide thermal centering advice.
Pity.

1. If Winpilot thinks GPS info is an inadequate source for
predicting thermal centres, how can THEMI do it reliably???

or

2. Perhaps Winpilot could add this functionality to their Advance
product so that those of us flying without access to a
professional electronic vario (and hence unable to use Winpilot
*Pro*) can get at least as good a thermal centering functionality
as THEMI provides!!

Cheers,

Jim Kelly



"Doug Cline" > wrote in message
...
I have used the Climb Maximizer feature in Winpilot Pro for the
past 5
seasons and have found it to be a remarkably effective guide for
optimizing
climb rate in thermals. The Climb maximizer audio feature,
coupled with seat
of your pants sensing of vertical acceleration, provide a safe
and reliable
heads-up guide to thermalling. Multicore thermals can confuse
interpretation
of the audio signals but this is ameliorated by a quick glance at
the
WinPilot visual display.
Doug V

> wrote in message
ups.com...
> Now, you probably wouldn't call me an 'expert', Chip, but I'll
> give it
> a try anyway:
> WinPilot Pro has a 'climb maximizer that comes on when you
> start
> circling. I didn't spend money on it since it was part of the
> package.
> It does pretty much what "Themi" claims (same algorithm?). It
> gives
> you an audio tone to fly straight for a little and by doing so
> guides
> you to the center of the thermal. There is an elaborate and
> well made
> graphic on the IPAQ panel but we keep our eyes outside the
> cockpit,
> don't we! Comments: it works well and the prompts come when I
> would
> normally initiate moving my circle. When losing the thermal it
> shows
> an arrow of varying lenght to guide you back. Look at the
> WinPilot
> website for details. Best thing: you can turn it off!
> Herbert, J7
>
> wrote:
> > Being forced to fly occasionally in blue conditions and often
> > finding
> > myself low on course, I found this to be an intriguing
> > concept
> > (ignoring the fact that it's yet another way to increase the
> > cost of
> > competition). But I hadn't heard that any "name" pilots were
> > using it
> > apart from Tom's tests.
> >
> > Does anyone know of any experts who have given it the
> > official stamp
> of
> > approval (i.e., by actually spending his/her own money to buy
> > one)?
> > Chip Bearden
> > ASW 24 "JB"
>

[Ramy Yanetz]

Ditto. I am asking for this and similar features already available in SeeYou
(such as color coded trace to help you find the best lift) on the winpilot
forum for some time now with no response.
I can't think of a technical reason not to provide this functionality using
GPS/logger source if seeyou and Themi can. Or alternatively, will winpilot
pro work with GPS only source?

Ramy


"Jim Kelly" > wrote in message
...
>>
> 2. Perhaps Winpilot could add this functionality to their Advance
> product so that those of us flying without access to a
> professional electronic vario (and hence unable to use Winpilot
> *Pro*) can get at least as good a thermal centering functionality
> as THEMI provides!!
>
> Cheers,
>
> Jim Kelly
>
>
>
> "Doug Cline" > wrote in message
> ...
> I have used the Climb Maximizer feature in Winpilot Pro for the
> past 5
> seasons and have found it to be a remarkably effective guide for
> optimizing
> climb rate in thermals. The Climb maximizer audio feature,
> coupled with seat
> of your pants sensing of vertical acceleration, provide a safe
> and reliable
> heads-up guide to thermalling. Multicore thermals can confuse
> interpretation
> of the audio signals but this is ameliorated by a quick glance at
> the
> WinPilot visual display.
> Doug V
>
> > wrote in message
> ups.com...
>> Now, you probably wouldn't call me an 'expert', Chip, but I'll
>> give it
>> a try anyway:
>> WinPilot Pro has a 'climb maximizer that comes on when you
>> start
>> circling. I didn't spend money on it since it was part of the
>> package.
>> It does pretty much what "Themi" claims (same algorithm?). It
>> gives
>> you an audio tone to fly straight for a little and by doing so
>> guides
>> you to the center of the thermal. There is an elaborate and
>> well made
>> graphic on the IPAQ panel but we keep our eyes outside the
>> cockpit,
>> don't we! Comments: it works well and the prompts come when I
>> would
>> normally initiate moving my circle. When losing the thermal it
>> shows
>> an arrow of varying lenght to guide you back. Look at the
>> WinPilot
>> website for details. Best thing: you can turn it off!
>> Herbert, J7
>>
>> wrote:
>> > Being forced to fly occasionally in blue conditions and often
>> > finding
>> > myself low on course, I found this to be an intriguing
>> > concept
>> > (ignoring the fact that it's yet another way to increase the
>> > cost of
>> > competition). But I hadn't heard that any "name" pilots were
>> > using it
>> > apart from Tom's tests.
>> >
>> > Does anyone know of any experts who have given it the
>> > official stamp
>> of
>> > approval (i.e., by actually spending his/her own money to buy
>> > one)?
>> > Chip Bearden
>> > ASW 24 "JB"
>>
>
>

[Jim Kelly]

Ramy,

I often wonder if WinPilot users know about the WinPilot forum
called the "Design Studio"
http://www.winpilot.com/DesignStudio.asp

The ideas and discussions presented there have been excellent
from time to time - in some ways a pity that it has taken the
discussion away from this more general group (RAS). I'd urge all
WinPilot users to log on and join in. It must be a very fertile
development ideas ground for Jerry and his team, and we all
benefit as the product improves. It's a good place to share tips
and tricks etc, too. Summer is just getting under way here in
Australia with many camps and comps beginning from 26th Dec
onwards, and I'm looking forward to seeing what the next version
delivers, and trust it happens very soon!

Season's greetings to all,

Jim Kelly





"Ramy Yanetz" > wrote in message
...
Ditto. I am asking for this and similar features already
available in SeeYou
(such as color coded trace to help you find the best lift) on the
winpilot
forum for some time now with no response.
I can't think of a technical reason not to provide this
functionality using
GPS/logger source if seeyou and Themi can. Or alternatively, will
winpilot
pro work with GPS only source?

Ramy


"Jim Kelly" > wrote in
message
...
>>
> 2. Perhaps Winpilot could add this functionality to their
> Advance
> product so that those of us flying without access to a
> professional electronic vario (and hence unable to use Winpilot
> *Pro*) can get at least as good a thermal centering
> functionality
> as THEMI provides!!
>
> Cheers,
>
> Jim Kelly
>
>
>
> "Doug Cline" > wrote in message
> ...
> I have used the Climb Maximizer feature in Winpilot Pro for the
> past 5
> seasons and have found it to be a remarkably effective guide
> for
> optimizing
> climb rate in thermals. The Climb maximizer audio feature,
> coupled with seat
> of your pants sensing of vertical acceleration, provide a safe
> and reliable
> heads-up guide to thermalling. Multicore thermals can confuse
> interpretation
> of the audio signals but this is ameliorated by a quick glance
> at
> the
> WinPilot visual display.
> Doug V
>
> > wrote in message
> ups.com...
>> Now, you probably wouldn't call me an 'expert', Chip, but I'll
>> give it
>> a try anyway:
>> WinPilot Pro has a 'climb maximizer that comes on when you
>> start
>> circling. I didn't spend money on it since it was part of the
>> package.
>> It does pretty much what "Themi" claims (same algorithm?). It
>> gives
>> you an audio tone to fly straight for a little and by doing so
>> guides
>> you to the center of the thermal. There is an elaborate and
>> well made
>> graphic on the IPAQ panel but we keep our eyes outside the
>> cockpit,
>> don't we! Comments: it works well and the prompts come when I
>> would
>> normally initiate moving my circle. When losing the thermal
>> it
>> shows
>> an arrow of varying lenght to guide you back. Look at the
>> WinPilot
>> website for details. Best thing: you can turn it off!
>> Herbert, J7
>>
>> wrote:
>> > Being forced to fly occasionally in blue conditions and
>> > often
>> > finding
>> > myself low on course, I found this to be an intriguing
>> > concept
>> > (ignoring the fact that it's yet another way to increase the
>> > cost of
>> > competition). But I hadn't heard that any "name" pilots were
>> > using it
>> > apart from Tom's tests.
>> >
>> > Does anyone know of any experts who have given it the
>> > official stamp
>> of
>> > approval (i.e., by actually spending his/her own money to
>> > buy
>> > one)?
>> > Chip Bearden
>> > ASW 24 "JB"
>>
>
>