I guess there are a few things to consider when contemplating a total electrical failure. The first is that in many hours and many kilometres I have never had one, though I am quite fussy about how I set up and care for the whole system. The second is that with the B40/B400 you would have an independently supplied averager/audio still running, and the third is that if you were flying a comp, you would now have no means of verification, so you may as well go home anyway. I guess your point is that going home might be pretty difficult with nothing but an altimeter...

BT

----- Original Message ----- From: "JR" <[EMAIL PROTECTED]> To: "Discussion of issues relating to Soaring in Australia." <[email protected]>
Sent: Sunday, November 19, 2006 5:29 PM
Subject: Re: [Aus-soaring] varios(was FLARM maths)


Thanks Bruce,
I flew a mates glider not long ago, and it had an all electric panel, and
the thought crossed my mind, if you had an electrical failure you would be
up shite creek, regardless of what the next turnpoint was, and for that
reason alone a little winter tucked away on the panel is a good thing.
regards JR
----- Original Message ----- From: "Bruce Taylor" <[EMAIL PROTECTED]>
To: "Discussion of issues relating to Soaring in Australia."
<[email protected]>
Sent: Sunday, November 19, 2006 11:52 AM
Subject: Re: [Aus-soaring] varios(was FLARM maths)


I have my audio set so that it breaks tone right on zero, and I find that
quite satisfactory, even in very light lift. Once again, the only thing
that
really matters is what the averager is saying, and in this situation you
are
looking for it to stay positive.

I still have a Winter vario on my panel, but would be quite content with a
electric backup, especially something like the B40/B400 which gives an
audio
and averager function as well. I've been trying to get Cambridge to make
such an instrument for about 10 years now!

I don't think what I do is any different to most competent cross-country
pilots. I do see a number of people baffling themselves with science, and
good, clean soaring flight needs to be kept simple. All the really useful
info is outside, especially when you find yourself low and in trouble.
When
you are in such a stressful situation it is very easy to focus back inside the cockpit, and I still have to tell myself to "look up and out" when the
pressure is on.

BT

----- Original Message ----- From: "JR" <[EMAIL PROTECTED]>
To: "Discussion of issues relating to Soaring in Australia."
<[email protected]>
Sent: Saturday, November 18, 2006 11:43 AM
Subject: Re: [Aus-soaring] varios(was FLARM maths)


> Bruce, how does your system work in very weak lift, and does anybody
else
> other than me still use a mechanical vario on the panel ?
> regards JR
> ----- Original Message ----- > From: "Luke Dodd" <[EMAIL PROTECTED]>
> To: "Discussion of issues relating to Soaring in Australia."
> <[email protected]>
> Sent: Friday, November 17, 2006 9:16 PM
> Subject: Re: [Aus-soaring] varios(was FLARM maths)
>
>
>> > I have taken too much space already... back into my box.
>> >
>> > BT
>>
>> Oh no you haven't, please vent more from your informed spleen.
>>
>> Luke
>>
>>
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