Martin Gregorie wrote:
On Thu, 20 Aug 2009 08:21:42 -0700, ryanglover1969 wrote:

I have a few suggestions for the way my vario, an LX1600 should work,
ideally.

I would like it to switch between "STF mode" and "Climbing mode" when I
hit lift or sink. Ideally it should switch to climbing mode when I hit
lift that equals or exceeds my MC setting. Of course there would still
be a manual override switch when you are low and/or scratching.

Do other vario manufactures set up their varios to work the way I
describe? If so, which ones?

Currently it switches between modes using three methods all of which I
think are inferior. It will switch to Climbing mode when I start
turning, when the speed drops below a set value, or when I manually
switch modes.

How do other manufactures do it?

I have an SDI C4 that offers three modes:

- a manual switch - I've not fitted it so can't comment on how well
it works for me.

- by GPS. I tried this and didn't like it. The idea is that the C4
switches to climb mode after a 90 or 270 degree turn and back
to cruise when you straighten out. One thing that I didn't like
is that it stays in cruise mode when running a cloud street.
This means that it makes faster/slower noises rather than climb rate
noises even when the lift is weak and you're flying slowly.

I always assumed cruise mode was the appropriate mode while running a
cloud street. Isn't that "cruising"? What tactic are you using, if not
the usual McCready speeds?

--
Eric Greenwell - Washington State, USA
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* "Transponders in Sailplanes" http://tinyurl.com/y739x4
* Sections on Mode S, TPAS, ADS-B, Flarm, more

* "A Guide to Self-launching Sailplane Operation" at www.motorglider.org