Glider Cockpit with 4 Varios! Why?

I think we should clarify by "electric" we actually mean "audio" Most
electric varios still get there information by pnuematics ie a static and
TE probe and are driven electrically. I had an electrically compensated
Ball vario (no TE Probe and absolutly hated it. Its compensation changed
during the flight with temperature and was very confusing. Using the SN10
now and 66's discarded Sage from a glider or two ago. I use the Sage
mostly when low and scratching to help center small lift and the SN10 for
everything else.

At 21:55 16 July 2008, kirk.stant wrote:
On Jul 16, 4:35=A0pm, Ian wrote:
On 16 Jul, 20:37, Bruce wrote:

So why install mechanical varios in a new high tech glide? Convince
me.

How well do electric ones react to nearby lightning bolts? Apart from
that, isn't it an awful lot easier to fit a mechanical vario than it
is to fit a complete second electrical system?

Ian "All mechanical cockpit" J

I'm totally in the "all electric" camp. Tossed my mechanical 8 years
ago, replaced with a nice Ilec electric backup (with audio), and
haven't had a problem since. Primary is an SN10. Both agree all the
time.

And 2 electrical systems are only slightly more work than one, if done
at the same time.

Given more funds, I would replace the Ilec with something that has
electronic TE, so that losing the probe wouldn't fail both varios - my
current single point of failure...

Mechanical varios belong with barographs - on the shelf behind the
club bar. Especially on club ships, where good varios with audio are
really needed, yet rare (at least in the US).

Cheers,

Kirk
66

On Jul 17, 9:26*am, Cliff Hilty
wrote:
I think we should clarify by "electric" we actually mean "audio" Most
electric varios still get there information by pnuematics ie a static and
TE probe and are driven electrically. I had an electrically compensated
Ball vario (no TE Probe and absolutly hated it. Its compensation changed
during the flight with temperature and was very confusing. Using the SN10
now and 66's discarded Sage from a glider or two ago. I use the Sage
mostly when low and scratching to help center small lift and the SN10 for
everything else.


The Sage is probably the only mechanical vario I would consider using
(fast response plus high "cool" factor) but I didn't have room for it
(it's a big SV) in my small LS6 panel - plus it's being put to much
better use in CH's Ventus!

Kirk
66

What caught my eye is that there appears to be four (4) varios in the

What caught my eye was that the LS4 is obviously looping a loop,
considering this glider is not rated for it...

As others said: There are many different things a vario can be set to
display: Actual, integrated, netto, speed to fly...

Besides, the picture is a fine example for the word "lag".

and the yaw string is not straight, screwed up loop
BT

"John Smith" wrote in message
. ..
What caught my eye is that there appears to be four (4) varios in the

What caught my eye was that the LS4 is obviously looping a loop,
considering this glider is not rated for it...

As others said: There are many different things a vario can be set to
display: Actual, integrated, netto, speed to fly...

Besides, the picture is a fine example for the word "lag".

.... Why would anyone put four varios in a single glider ?

Only one possible reason.
Deep, deep, insecurity.

See ya, Dave "YO electric"

One good reason for using 2 electric varios is that you dont require a
Flask. I have seen gliders recently whose fancy electric varios/
FComputers costing a lot of money were compromised by splitting the TE
line too close to the instruments. The flask in the mechanical will
then adversely affect the electronic one.
see point 5 in Borgelts excelent article on vario leak/problem
finding. Given he makes these things I suspect that he knows what he
is talking about..
http://www.borgeltinstruments.com/Leaks.html
This made a huge diff to my last glider whose varios did some very
strange things and once I found the leak in the ASI caused by a loose
glass and moved the split in the TE behind the seat it was
transformed.

Personally I fly with 3 effectively
2 dials Driven off an LX 7000 one showing net the other normal. This
is an arangement I inherited and I actually find it quite intuitive
although I wouldnt miss losing one particuarly.
The 3rd is a B40 which has its own battery when required in the event
of a power failure. Far more useful IMHO than a mechanical in that it
is a better vario and it has audio. Try thermaling without an audio
once you have got used to it...

Offtopic... Forget the 4 varios and the sloppy loop in the LS-4.

Check out the Airbus A320-211, second from last.
http://preview.tinyurl.com/4yevhp
http://preview.tinyurl.com/6mmpyq

Left seat, Bacardi badge lanyard. Nice flair, no big deal.

Off his left hand, is that... a rum and coke? Dude, I know that the
industry is a mess right now, but can't it wait for the hotel bar...
j/k


On Jul 16, 11:57*am, ContestID67 wrote:
http://www.canadabizmart.com/bootstr...ectacular-cock...

This web site has some nice pictures of aircraft cockpits, including
two gliders. *If you scroll down you will find an LS-4 flying
inverted.

What caught my eye is that there appears to be four (4) varios in the
instrument panel. *My soaring friends have been scratching our heads
trying to understand why you would ever need four varios in a single
glider.

Can anyone give some valid reasons why this would be useful?

Thanks, John DeRosa