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On Aug 2, 11:43*am, Dave Springford wrote:
Andy, Your 50:1 math is right and wrong at the same time. *What is missing is the fact the the centre of the 3 km finish cylinder is located at the opposite end of the 4000 ft landing runway. *This means that when you cross the finish line at about 200 ft agl you are about 1.8 km from the touchdown point (and 3 km from the other end of the runway). This gives L/D of 30:1 to touchdown which is sufficient for the ships flying in the 15/18/ Open Classes. Thanks for the correction Dave. I went back and looked at the last 3 days task sheets and now see that when 16 is the landing runway then Szeged34 is the finish centre, and when 36 is active Szeged16 defines the centre. I had missed that. Andy (GY) |
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