At 03:50 PM 20/03/2008, you wrote:
> >It was quite invisible from more than 200 metres.
>
>
>Given two gliders flying each at 60 knots approaching head on at an
>initial distance of 200m apart gives a time to collision of 3.2 secs.
>
>No time to react (i.e. from the time you see the threat, time to
>realise you are going to hit, time to operate the flight controls,
>time for aircraft to respond).
>
>Sadly it would seem that the disco ball is no good.
>
>That's not too useful... >-(
>
>
>At the risk of offending someone...
>
>Happy Easter all!!! ;-)
Not true, 3 seconds is plenty of time. I've been there.
Mike
Borgelt Instruments - manufacturers of quality soaring instruments
phone Int'l + 61 746 355784
fax Int'l + 61 746 358796
cellphone Int'l + 61 428 355784
Int'l + 61 429 355784
email: [EMAIL PROTECTED]
website: www.borgeltinstruments.com
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