Bruce,
Years ago Martyn Roberts and I flying the AUGC Bergfalke left a thermal over Coopers
Creek in SW Queensland at 13,000'. The vario was still stuck on the top stop, but we
didn't have oxygen :-( The cu's were forming a great deal higher - I suspect over
20,000'. During the climb we achieved 2,000'/minute (we timed it on a watch - the
Bergy only had a mechanical vario). We centered the thermal by judging rate of
rotation of the altimeter.
On another occasion I have descended through cu's at 26,000' on descent into Moomba in
a King Air. From there on it was a rough ride down.
Given a glider with oxygen in the NE of SA or SW Qld I believe a diamond height would
be attainable on quite a few days each summer.
Redmond
****************************************************************
----- Original Message -----
From: bruce tuncks <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, 21 February 2001 8:20
Subject: [aus-soaring] Diamond height in thermals
> I was asked if it was possible to get a height diamond in a thermal
> anywhere in the world, and I said that I once heard of 19,500 ft
> thermals in the Kimberly region or somewhere like that, but it was
> doubtful if this were true because we should have heard all about it.
> Does anybody know anything more about this?
> cheers,
> Bruce Tuncks
>
>
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