Oh, I'm quite well aware that I'm drifting with the prevailing wind while
thermalling; I may be a simple chap, but I'm not that simple 8-)
It seems some people want a calculation of
arrival-height-if-I-thermal-no-more and others want a calculation of
height-I-must-gain-to-get-home. So long as people understand what they are
getting and what it actually means, I don't see a problem.
Cheerio, Michael
On 22 November 2011 23:41, Michael Huber <michaelg.hu...@gmx.at> wrote:
> From: Michael Brandon <mikezulubr...@gmail.com>
>
> >Yes, if I kept looking at the PDA I would know when I hit what XCSoar
> estimates is final glide, but why can't XCSoar give me a realistic estimate
> in the first place? Remember, I'm a simple chap - if I'm at 4,0000 ft and
> XCSoar says I need to climb 3,000 ft, I'm going to make 7,000 ft my mental
> target and - assuming the thermal doesn't weaken - see what XCSoar says
> when
> I get there, or at least, close to there.
>
> I think it´s a matter of how we use and trust the information provided by
> XCSoar or any other instrument or software. In my humble opinion, your
> example case (climbing 3000ft without noticing that you drift away from
> wherever you want to go) would be poor pilotship, and not a software topic
> -
> no pun intended, we all know this is a test case to support discussion.
> One of the things I like about soaring is that it is hardly predictable and
> things are changing every minute. Sometimes I am more interested in a trend
> than in the actual value of some info box to support my decision making,
> and
> that´s where I would prefer the simple "arrival altitude" model over the
> mathematically correct but harder to anticipate "height gain required"
> model.
>
> Michael
>
>
>
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