On 06/03/2013, at 3:31 PM, "Michael Shirley" <michael.shir...@bigpond.com> wrote:
> The Mark 1 Eyeball is supposed to be used in the circuit to find out how not > to have an unexpected meeting. Surely that would identify those sharing your > final – it would need to be within 15-20 seconds of yours to cause a possible > clash in landing run. You both should have seen each other already. > Michael Three reasons why not always: * Straight in approaches - so the one in front can't see the one behind. * Both downwind approaches - again, back one didn't see * Too many gliders to keep track of * Second glider is lower, and does a modified circuit, or rope break landing where they don't even radio (aviate first). Maybe the Mark 2 eyeball will be able to see behind gliders. (actually seriously that could be pretty cool, like a rear vision camera on a car). To rely on seeing the other glider or hearing the other glider is to rely on luck. Scott
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